Get Free Samples! Come fill out the form ! ! !

Call us: +86 0755-82563503

English

Currency: $ US Dollar

STM32F103C8T6
MFI343S00177
can I ask you a question please?
STM32F407VET6

Categories
- Integrated Circuits (ICs)
  - Integrated Circuits (ICs)
  - AC to DC Converter ICs
  - Active Filters
  - ADC
  - AFE
  - Analog Multipliers & Dividers
  - Analog Switches & Multiplexers ICs
  - Application Specific Microcontrollers
  - Application Specific Timer
  - Audio Amplifiers
  - Audio Special Purpose
  - Battery Chargers ICs
  - Battery Management ICs
  - Buffers & Transceivers
  - Capacitive Sensors
  - Clock Buffers & Drivers
  - Clock Generators
  - CODECs Interface ICs
  - Comparators
  - Configuration Proms for FPGAs
  - Controllers Interface ICs
  - Converting Interface ICs
  - Counters & Dividers
  - CPLDs
  - Current Regulator IC
  - DAC
  - DC DC Voltage Regulators
  - DC to DC converter
  - DDS
  - Delay Lines Timing ICs
  - Digital Potentiometers
  - Display Drivers ICs
  - Drivers Interface ICs
  - DSP
  - Embedded ICs Modules
  - Energy Metering ICs
  - FIFOs Memory
  - Flip Flops
  - FPGAs
  - FPGAs with Microcontrollers
  - Full & Half-Bridge Drivers ICs
  - Gate Drivers ICs
  - Gates & Inverters
  - Hot Swap Controllers
  - I/O Expanders
  - IC Batteries
  - Ideal Diode controller
  - Instrumentational OP Amps
  - Interface ICs Modules
  - Laser Driver ICs
  - Latches
  - LED Driver ICs
  - Lighting Controllers
  - Linear Comparators
  - Linear Regulator Controllers
  - Linear Voltage Regulators
  - Memory
  - Memory Batteries
  - Memory Controllers
  - Microcontrollers
  - Microprocessors
  - Modems ICs & Modules
  - Motor Drivers
  - Multi-Functional Gates & Inverters
  - Multivibrators
  - Multivibrators
  - PFC PMICs
  - PLDs
  - PoE Controllers
  - Power Supply Control ICs
  - Power Switches ICs
  - Programmable Timers & Oscillators
  - RMS to DC Converters
  - RTCs
  - Sensor & Detector Interface ICs
  - Serializers & Deserializers
  - Shift Registers
  - Signal Buffers
  - Signal Switches & Multiplexers
  - Signal Terminators
  - SoC
  - Special Purpose ADCs/DACs
  - Special Purpose Amplifiers
  - Special Purpose Analog Switches
  - Specialized ICs
  - Specialized Interface ICs
  - Specialized Power Management ICs
  - Specialized Voltage Regulators
  - Specialty Logic ICs
  - Switching Voltage Regulators
  - Telecom Interface ICs
  - Thermal Management
  - Touch Screen Controllers
  - UARTs
  - Universal Bus Functions
  - V/F & F/V Converters
  - Video Amps & Modules
  - Video Processing Linear ICs
  - Voice Record and Playback
  - Voltage Reference
  - Voltage Supervisors
  - Voltage Translators & Level Shifters
  - Integrated circuits, often referred to as ICs or microchips, are miniature electronic circuits that contain thousands to billions of transistors, resistors, capacitors, and other electronic components on a small semiconductor material. ICs are the building blocks of modern electronics and are used in a vast array of devices and systems, ranging from smartphones and computers to automotive electronics and medical devices. They provide compactness, high functionality, and improved performance by integrating multiple electronic functions onto a single chip.
- Connectors
  - Connectors
  - ARINC Connectors
  - Backplane Connector Contacts
  - Backplane Connectors Accessories
  - Backplane Connectors Housings
  - Backshells and Cable Clamps
  - Banana Tip Adapters
  - Banana Tip Binding Posts
  - Banana Tip Connectors Accessories
  - Banana Tip Jacks
  - Barrel Accessories
  - Barrel Adapters
  - Barrel Audio Connectors
  - Barrel Connectors
  - Barrel Power Connectors
  - Barrier Terminal Blocks
  - Between Series Adapters
  - Blade Type Power Connectors
  - Blade Type Power Connectors
  - Blade Type Power Connectors Accessories
  - Blade Type Power Connectors Housings
  - Board In Connectors
  - Board to Board Connectors
  - Card Edge Adapters
  - Card Edge Connectors Accessories
  - Card Edge Connectors Housings
  - Card Edge Contacts
  - Centronics Connectors
  - Circular Adapters
  - Circular Connectors
  - Circular Connectors Accessories
  - Circular Connectors Housings
  - Circular Contacts
  - Coaxial Connectors
  - Coaxial Connectors Accessories
  - D-Sub Adapters
  - D-Sub Connector Housings
  - D-Sub Connector Terminators
  - D-Sub Connectors
  - D-Sub Connectors Accessories
  - D-Sub Contacts
  - D-Sub Hoods
  - D-Sub Jackscrews
  - DIN 41612 Connectors
  - Din Rail Terminal Blocks
  - Edgeboard Connectors
  - Faceplates & Frames
  - Fiber Optic Adapters
  - Fiber Optic Connectors
  - Fiber Optic Connectors Accessories
  - Fiber Optic Connectors Housings
  - Flat Flexible Connector Housings
  - Flat Flexible Connectors
  - Flat Flexible Connectors Accessories
  - Flat Flexible Contacts
  - Foil Connectors
  - Hard Metric Connector
  - Headers & Male Pins
  - Heavy Duty Connectors Accessories
  - Heavy Duty Connectors Assemblies
  - Heavy Duty Connectors Frames
  - Heavy Duty Connectors Housings
  - Heavy Duty Connectors Modules
  - Heavy Duty Contacts
  - IC Adapters
  - IC and Component Sockets
  - IC Sockets Accessories
  - Inline Memory Module Sockets
  - Interface Modules Terminal Blocks
  - Keystone Accessories
  - Keystone Inserts
  - Knife Connectors
  - Leadframe Contacts
  - LGH Connectors
  - Magnetic Wire Terminals
  - Magnetics Modular Jacks
  - Memory Card Adapters
  - Memory Card Sockets
  - Memory Connectors Accessories
  - Modular Adapters
  - Modular Connectors Accessories
  - Modular Jacks
  - Modular Plug Housings
  - Modular Plugs
  - Multi Purpose Contacts
  - Panel Mount Connectors
  - Panel Mount Terminal Blocks
  - PC Pin Terminals
  - Photovoltaic Connectors
  - Photovoltaic Connectors Accessories
  - Photovoltaic Contacts
  - Pluggable Connectors
  - Pluggable Connectors Accessories
  - Pluggable Terminal Blocks
  - Power Distribution Terminal Blocks
  - Power Entry Connectors Accessories
  - Power Entry Connectors Modules
  - Quick-Connect & Quick-Disconnect Connectors
  - Rectangular Connectors
  - Rectangular Connectors Accessories
  - Rectangular Connectors Adapters
  - Rectangular Connectors Arrays
  - Rectangular Connectors Headers
  - Rectangular Connectors Housings
  - Rectangular Contact Inserts
  - Rectangular Terminals
  - RF Adapters
  - RF Contacts
  - RF Terminators
  - Ring Terminals
  - Screw Connectors
  - Shunts & Jumpers
  - Socket Terminals
  - Solder Lug Connectors
  - Spade Connectors
  - Specialized Backplane Connectors
  - Specialized Connectors
  - Specialized Terminal Blocks
  - Spring Loaded Contacts
  - Spring Loaded Rectangular Connectors
  - SSL Connectors
  - SSL Connectors Accessories
  - SSL Contacts
  - Terminal Block Adapters
  - Terminal Blocks - Contacts
  - Terminal Blocks Accessories
  - Terminal Jumpers
  - Terminal Junction Systems
  - Terminal Marker Strips
  - Terminal Strips and Turret Boards
  - Terminal Wire Ferrules
  - Terminals Accessories
  - Terminals Adapters
  - Terminals Housings
  - Transistor Sockets
  - Turret Connectors
  - Video Adapters
  - Video Connector Accessories
  - Video Connectors
  - Wire Pin Connectors
  - Wire Splice Connectors
  - Wire-to-Board Connectors
  - Wire-to-Board Terminal Blocks
  - Wiring Blocks Accessories
  - Wiring Modular Connectors
  - Connectors are devices used to establish electrical or mechanical connections between two or more components or systems. They provide a means for joining cables, wires, or other conductive elements, enabling the transmission of electrical signals, power, or data. Connectors come in a wide range of forms, including electrical connectors, coaxial connectors, modular connectors, and fiber optic connectors. They play a critical role in industries such as telecommunications, automotive, aerospace, and consumer electronics, facilitating reliable and secure connections.
- Discrete Semiconductors
  - Discrete Semiconductors
  - Arrays BJT Transistors
  - BJT Transistors Arrays
  - Bridge Rectifiers
  - DIACs and SIDACs
  - IGBTs Modules
  - IGBTs Transistors Arrays
  - JFETs Transistors
  - MOSFETs Transistors Arrays
  - Power Driver Modules
  - Pre-Biased BJT Transistors
  - Programmable Unijunction Transistors
  - Rectifier Diode Array
  - RF BJT Transistors
  - RF Diodes
  - RF MOSFETs Transistors
  - SCRs Thyristors
  - Single BJT Transistors
  - Single IGBTs
  - Single IGBTs
  - Single MOSFETs Transistors
  - Single-Phase Diode Rectifier
  - Specialized Transistors
  - Thyristors Modules
  - TRIACs Thyristors
  - Varactors
  - Zener Diode Arrays
  - Zener Single Diodes
  - Discrete Semiconductor refer to electronic components that are individual and separate from each other, as opposed to integrated circuits that contain multiple components on a single chip. These discrete components include diodes, transistors, thyristors, and other similar devices that perform specific functions in electronic circuits. They are commonly used in power supplies, amplifiers, and other electronic devices where precise control and regulation of electrical signals is required. Discrete Semiconductor Products are available in a variety of sizes, shapes, and specifications to meet the needs of different applications. They are widely used in the electronics industry and are essential components in many electronic devices.
- Capacitors
  - Capacitors
  - Aluminum Electrolytic Capacitors
  - Aluminum Polymer Capacitors
  - Capacitor Accessories
  - Capacitor Networks
  - Ceramic Capacitors
  - Ceramic Capacitors
  - Film Capacitors
  - Mica & PTFE Capacitors
  - Niobium Oxide Capacitors
  - Silicon Capacitors
  - Supercapacitors & EDLC
  - Tantalum Capacitors
  - Tantalum Polymer Capacitors
  - Thin Film Capacitors
  - Trimmers Variable
  - Capacitors are electronic components that store and release electrical energy. They consist of two conductive plates separated by an insulating material known as a dielectric. Capacitors are widely used in electronic circuits for various purposes, including energy storage, filtering, decoupling, timing, and coupling signals. They are available in different types, such as electrolytic capacitors, ceramic capacitors, and tantalum capacitors, each with unique characteristics suitable for different applications.
- Sensors
  - Sensors
  - CdS Cells
  - Accelerometers
  - Accessories
  - Amplifiers
  - Analog & Digital Sensor
  - Analog & Digital Sensors
  - Analog Optical Sensors
  - Angle & Linear Position Measuring Sensors
  - Camera Modules
  - Color Sensors
  - Current Sensors
  - Distance Measuring Sensors
  - Dust Sensors
  - Encoders
  - Float & Level Sensors
  - Flow Sensors
  - Force Sensors
  - Gas Sensors
  - Gyroscopes
  - Humidity Sensors
  - Image Sensors
  - IMUs
  - Inclinometers
  - IrDA Transceiver Modules
  - Junction Blocks
  - Logic Optical Sensors
  - Logic Photo Detectors
  - Logic Photointerrupters
  - LVDT Transducers
  - Magnetic Compass Sensors Modules
  - Magnetic Linear Sensors ICs
  - Magnetic Position Sensors Modules
  - Magnetic Switches
  - Mechanical Temperature Sensors
  - Multi Purpose Magnets
  - Multifunction
  - NTC Thermistors
  - Occupancy Sensors
  - Optical Motion Sensors
  - Optical Sensors Remote Receiver
  - Photodiodes
  - Photoelectric Sensors
  - Phototransistors
  - Proximity Sensors
  - PTC Thermistors
  - RTD
  - Sensor Cable Accessories
  - Sensor Cable Assemblies
  - Sensor Matched Magnets
  - Shock Sensors
  - Solar Cells
  - Solid State Thermostats
  - Specialized Sensors
  - Strain Gauges
  - Thermocouple Temperature Sensors
  - Tilt Switch Sensors
  - Touch Sensors
  - Transducers
  - Transistor Optical Sensors
  - Ultrasonic Receivers
  - UV Sensors
  - Vibration Sensors
  - Sensors are devices that detect and measure physical or environmental parameters and convert them into electrical signals. They enable the acquisition of real-world data for monitoring, control, and feedback purposes. Sensors can detect variables such as temperature, pressure, light, motion, proximity, and many others. They find application in diverse fields, including automotive systems, consumer electronics, industrial automation, healthcare, and environmental monitoring.
- Resistors
  - Resistors
  - Chassis Mount Resistors
  - Chip SMD Resistors
  - Chip SMD Resistors
  - Resistor Accessories
  - Resistor Arrays
  - Specialized Resistors
  - Through Hole Resistors
  - Resistors are passive electronic components designed to impede the flow of electric current in a circuit. They are used to control current levels, divide voltage, and limit power dissipation. Resistors are available in various types, including fixed resistors, variable resistors (potentiometers), and specialized resistors for specific applications such as high power or precision requirements. They are fundamental components in electronic circuits, playing roles in voltage regulation, signal conditioning, and impedance matching.
- Isolators
  - Isolators
  - Digital Isolators
  - Isolated Gate Drivers
  - Logic Optoisolators
  - Photovoltaic Optoisolators
  - Specialized Isolators
  - Triac Optoisolators
  - Isolators, also known as isolation devices or isolating components, are electronic components designed to electrically separate or isolate different parts of a circuit or system. They provide protection by preventing unwanted electrical currents, noise, or interference from affecting sensitive components or systems. Isolators are commonly used in applications where electrical isolation is crucial, such as power supplies, communication systems, motor control, and industrial automation. They ensure reliable operation, safety, and protection from electrical disturbances or faults.
- Board Mount Power Supplies
  - Board Mount Power Supplies
  - Board Mount AC DC Converters
  - Board Mount Accessories
  - Board Mount DC DC Converters
  - Off-board LED Drivers
  - Box and enclosure products refer to electronic components that are designed to protect and house electronic devices. These products come in a variety of shapes and sizes, and are typically made from materials such as plastic, metal, or fiberglass. Box and enclosure products are essential for protecting electronic components from environmental factors such as dust, moisture, and temperature fluctuations. They also provide a secure and organized way to store and transport electronic devices. Box and enclosure products are commonly used in industries such as telecommunications, aerospace, and automotive, as well as in consumer electronics.
- RF/IF & RFID
  - RF/IF & RFID
  - Attenuators
  - Balun
  - RF Accessories
  - RF Amplifiers
  - RF Antennas
  - RF Boards
  - RF Demodulators
  - RF Detectors
  - RF Directional Coupler
  - RF Front End
  - RF Misc ICs and Modules
  - RF Mixers
  - RF Modulators
  - RF Multiplexers
  - RF Power Controller ICs
  - RF Power Dividers
  - RF Receivers
  - RF Shields
  - RF Switches
  - RF Transceiver ICs
  - RF Transceiver Modules
  - RF Transmitter
  - RF Transmitters
  - RFI & EMI Contacts
  - RFI & EMI Materials
  - RFID Accessories
  - RFID Antennas
  - RFID Boards
  - RFID ICs
  - RFID Reader Modules
  - RFID Tags
  - RF power dividers/splitters are electronic components that are used to divide or split an incoming RF signal into multiple output signals. These components are commonly used in communication systems, such as radio and television broadcasting, as well as in radar and satellite communication systems. RF power dividers/splitters are designed to maintain signal integrity and minimize signal loss, ensuring that each output signal is of equal strength and quality. They come in various configurations, including 2-way, 3-way, 4-way, and 8-way, and can be used in both indoor and outdoor applications. RF power dividers/splitters are essential components in any RF system that requires signal distribution.
- Circuit Protection
  - Circuit Protection
  - Circuit Breakers
  - Circuit Protection Accessories
  - Electrical Fuses
  - Fuseholders
  - Fuses
  - GDT
  - GFCI
  - ICL
  - Lighting Protection
  - PTC Resettable Fuses
  - Surge Suppression ICs
  - Thermal Fuses
  - TVS Diodes
  - TVS Mixed Technology
  - TVS SPDs
  - TVS Thyristors
  - TVS Varistors
  - Circuit protection is a crucial aspect of electronic components classification. It refers to the measures taken to prevent damage to electronic circuits due to overvoltage, overcurrent, or short circuits. Circuit protection devices such as fuses, circuit breakers, surge protectors, and voltage regulators are used to safeguard electronic components from damage caused by power surges, lightning strikes, and other electrical disturbances. These devices are designed to interrupt the flow of current when the voltage or current exceeds a safe level, thereby protecting the circuit and preventing damage to the electronic components. Circuit protection is essential for ensuring the reliability and longevity of electronic devices and systems.
- Crystals
  - Crystals
  - Crystals
  - Crystals Accessories
  - Oscillators
  - Pin Configurable Oscillators
  - Programmable Oscillators
  - Resonators
  - Stand Alone Programmers
  - Voltage Controlled Oscillators
  - Crystals, in the context of electronics, refer to quartz crystals or other similar crystalline structures used as precise timing references or frequency-determining elements. These crystals exhibit a phenomenon called piezoelectricity, which allows them to generate a stable and accurate electrical signal when subjected to mechanical stress or voltage. Crystals are extensively used in oscillators
- Inductors
  - Inductors
  - Adjustable Inductors
  - Delay Lines
  - Fixed Inductors
  - Signal Transformers
  - Wireless Charging Coils
  - Inductors are passive electronic components that store electrical energy in the form of a magnetic field. They are typically made of a coil of wire wound around a core material and are used in various electrical circuits and systems. Inductors resist changes in current flow and are commonly employed in filtering, energy storage, impedance matching, and signal conditioning applications. They play a vital role in applications such as power supplies, radio frequency (RF) circuits, motor control, and electromagnetic compatibility (EMC) solutions.
- Filters
  - Filters
  - Cable Ferrites
  - Ceramic Filters
  - Common Mode Chokes
  - DSL Filters
  - EMI/RFI Filters
  - Feed Through Capacitors
  - Ferrite Beads and Chips
  - Ferrite Disks and Plates
  - Filters Accessories
  - Helical Filters
  - Monolithic Crystals
  - Power Line Filter Modules
  - RF Filters
  - SAW Filters
  - Filters are electronic components designed to selectively allow or block certain frequencies or ranges of frequencies in a signal or waveform. They are used to remove unwanted noise, interference, or specific frequency components, and to shape or modify the frequency response of a circuit or system. Filters can be classified into different types, such as low-pass, high-pass, band-pass, and band-stop filters, each serving specific purposes in applications ranging from audio and communication systems to power electronics and signal processing.
- View All

Items : %s%s

Integrated Circuits (ICs)

Integrated circuits, often referred to as ICs or microchips, are miniature electronic circuits that contain thousands to billions of transistors, resistors, capacitors, and other electronic components on a small semiconductor material. ICs are the building blocks of modern electronics and are used in a vast array of devices and systems, ranging from smartphones and computers to automotive electronics and medical devices. They provide compactness, high functionality, and improved performance by integrating multiple electronic functions onto a single chip.

Name	Manufacturer	Pricing(USD)	Quantity	Datasheet	Factory Lead Time	Mount	Packaging	Published	Series	Pbfree Code	Part Status	Moisture Sensitivity Level (MSL)	Number of Terminations	Termination	ECCN Code	Max Operating Temperature	Min Operating Temperature	Operating Supply Voltage	Length	RoHS Status	Lead Free	Contact Plating	Radiation Hardening	Number of Pins	Additional Feature	Package / Case	Interface	Max Supply Voltage	REACH SVHC	Min Supply Voltage	Density	Height	Width	Mounting Type	Operating Temperature	Technology	Operating Supply Current	Operating Mode	Max Supply Current	Bandwidth	Height Seated (Max)	HTS Code	Packing Method	Number of Functions	Nominal Supply Current	Type	Voltage - Input (Max)	Max Input Voltage	JESD-609 Code	Terminal Finish	Terminal Position	Terminal Form	Peak Reflow Temperature (Cel)	Supply Voltage	Time@Peak Reflow Temperature-Max (s)	Base Part Number	Pin Count	Output Type	Surface Mount	Terminal Pitch	JESD-30 Code	Supply Voltage-Min (Vsup)	Number of Channels	Subcategory	Qualification Status	Power Supplies	Supply Voltage-Max (Vsup)	Gain	Max Power Dissipation	Output Voltage	Number of Outputs	Output Current	Voltage - Output	Feature	Output Power	Max Output Power	Max Output Current	Analog IC - Other Type	Number of Circuits	Slew Rate	Output Current per Channel	Input Offset Voltage (Vos)	Gain Bandwidth Product	Input Bias Current	Dropout Voltage	Applications	Current - Output	Min Input Voltage	Power Dissipation	Output	Watchdog Timer	Number of Voltages Monitored	Threshold Voltage	Adjustable Threshold	Neg Supply Voltage-Nom (Vsup)	Min Reset Threshold Voltage	Max Reset Threshold Voltage	Undervoltage Threshold	Overvoltage Threshold	Input	Max Output Voltage	Power Dissipation-Max	Quiescent Current	Common Mode Rejection Ratio	Access Time	Frequency (Max)	Voltage - Threshold	Accuracy	Output Configuration	Control Mode	Screening Level	Output Voltage 1	Input Voltage (Min)	Input Voltage (Max)	Dropout Voltage1-Nom	Voltage Tolerance-Max	Dropout Voltage1-Max	Input Voltage Absolute-Max	Memory Size	Memory Type	Supply Current-Max	Nominal Output Voltage	Supply Type	Load Impedance	Reset	Voltage - Supply	Organization	Memory Width	Memory Density	Voltage Gain	Number of Amplifiers	Current - Input Bias	Amplifier Type	Parallel/Serial	Clock Frequency	Standby Current-Max	Output Voltage1-Max	Output Voltage1-Min	Operating Temperature TJ-Max	Voltage - Supply, Single/Dual (±)	Harmonic Distortion	Primary Clock/Crystal Frequency-Nom	Current - Quiescent (Iq)	Current - Supply (Max)	Data Retention Time-Min	Endurance	Write Protection	Write Cycle Time-Max (tWC)	Control Features	Ratio - Input:Output	Min Current Limit	Reset Timeout	Serial Bus Type	Voltage - Output (Min/Fixed)	Number of Regulators	Protection Features	PSRR	Voltage Dropout (Max)	I2C Control Byte	Main Purpose	PLL	Max Output Power x Channels @ Load	Differential - Input:Output	Memory Format	Memory Interface	Write Cycle Time - Word, Page
BD60HA3MEFJ-LBH2	ROHM Semiconductor	1.4356	Add to Cart Min: 1 Mult: 1	download	10 Weeks		Cut Tape (CT)				Active	1 (Unlimited)			EAR99					ROHS3 Compliant						8-SOIC (0.154, 3.90mm Width) Exposed Pad								Surface Mount	-40°C~105°C												8V						NOT SPECIFIED		NOT SPECIFIED			Fixed																													300mA																						Positive																																			1.2mA					Enable					6V	1	Over Current, Over Temperature, Soft Start		1.2V @ 300mA
BD5342FVE-TR	ROHM Semiconductor	3.1223	Add to Cart Min: 1 Mult: 1		9 Weeks	Surface Mount	Tape & Reel (TR)	2000		yes	Active	1 (Unlimited)	5		EAR99					ROHS3 Compliant	Lead Free			5		SOT-665		10V	Unknown	950mV				Surface Mount	-40°C~105°C TA	CMOS					0.6mm			1	850nA	Simple Reset/Power-On Reset					DUAL	FLAT		1.2V		BD53	5						1						210mW																					Push-Pull, Totem Pole	No	1	+4.2V	NO		4.158V	4.242V										4.2V																		Active Low
BR93G46FVT-3AGE2	ROHM Semiconductor	0.9254	Add to Cart Min: 1 Mult: 1	download	10 Weeks		Cut Tape (CT)				Active	1 (Unlimited)	8						4.4mm	ROHS3 Compliant					IT ALSO OPERATES AT 1MHZ AT 1.7 MIN	8-TSSOP (0.173, 4.40mm Width)							3mm	Surface Mount	-40°C~85°C TA	CMOS		SYNCHRONOUS			1.2mm			1					e3	Tin (Sn)	DUAL		NOT SPECIFIED	5V	NOT SPECIFIED				YES	0.65mm	R-PDSO-G8	4.5V					5.5V																																																				1Kb 64 x 16	Non-Volatile						1.7V~5.5V	64X16	16	1024 bit					SERIAL	3MHz													5ms					3-WIRE											EEPROM	SPI	5ms
BR24L08-W	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download	10 Weeks	Surface Mount	Tube	2012		yes	Obsolete	1 (Unlimited)	8		EAR99			5V	9.3mm	ROHS3 Compliant	Lead Free	Copper, Tin		8		8-DIP (0.300, 7.62mm)	2-Wire, I2C, Serial				8 kb		7.62mm	Through Hole	-40°C~85°C TA	CMOS		SYNCHRONOUS			3.7mm			1					e3/e2	TIN/TIN COPPER	DUAL		260	2.5V	10	BR24L08	8			2.54mm					Not Qualified																																								3.5 μs														8Kb 1K x 8	Non-Volatile	0.002mA					1.8V~5.5V		8							400kHz	0.000002A									40	1000000 Write/Erase Cycles	HARDWARE	5ms					I2C						1010DMMR					EEPROM	I2C	5ms
BR93C46-10TU-1.8	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download		Surface Mount	Tape & Reel (TR)			yes	Not For New Designs	1 (Unlimited)	8		EAR99			5V	4.4mm	ROHS3 Compliant		Copper, Tin		8		8-TSSOP (0.173, 4.40mm Width)	Serial				1 kb		3mm	Surface Mount	-40°C~85°C TA	CMOS		SYNCHRONOUS			1.2mm			1					e3/e2	TIN/TIN COPPER	DUAL		260	2.7V	10	BR93C46	8			0.65mm					Not Qualified																																																						1Kb 64 x 16	Non-Volatile	0.002mA					1.8V~5.5V	1KX1	1							2MHz	0.00001A									100	1000000 Write/Erase Cycles	SOFTWARE	10ms					MICROWIRE											EEPROM	SPI	10ms
BR24G02FVT-3AGE2	ROHM Semiconductor	0.1760	Add to Cart Min: 1 Mult: 1		10 Weeks	Surface Mount	Tape & Reel (TR)	2014			Active	1 (Unlimited)	8						4.4mm	ROHS3 Compliant		Tin		8		8-TSSOP (0.173, 4.40mm Width)	2-Wire, I2C, Serial				2 kb		3mm	Surface Mount	-40°C~85°C TA	CMOS		SYNCHRONOUS			1.2mm			1							DUAL		NOT SPECIFIED		NOT SPECIFIED	BR24G02				0.65mm		1.6V					5.5V																																						450 ns														2Kb 256 x 8	Non-Volatile						1.6V~5.5V		8							1MHz													5ms					I2C											EEPROM	I2C	5ms
BR93A46RFJ-WME2	ROHM Semiconductor	1.2458	Add to Cart Min: 1 Mult: 1	download	11 Weeks		Tape & Reel (TR)		Automotive, AEC-Q100		Active	1 (Unlimited)	8						4.9mm	ROHS3 Compliant					SEATED HT-CALCULATED	8-SOIC (0.154, 3.90mm Width)							3.9mm	Surface Mount	-40°C~105°C TA	CMOS		SYNCHRONOUS			1.65mm			1							DUAL		NOT SPECIFIED	4V	NOT SPECIFIED				YES	1.27mm	R-PDSO-G8	2.5V			Not Qualified	3/5V	5.5V																																																				1Kb 64 x 16	Non-Volatile	0.0045mA					2.5V~5.5V	64X16	16	1024 bit					SERIAL	2MHz	0.000002A									40	1000000 Write/Erase Cycles	SOFTWARE	5ms					3-WIRE											EEPROM	SPI	5ms
BU2JTD2WNVX-TL	ROHM Semiconductor	0.6417	Add to Cart Min: 1 Mult: 1		12 Weeks	Surface Mount	Tape & Reel (TR)	2014		yes	Active	1 (Unlimited)	4		EAR99	85°C	-40°C			ROHS3 Compliant	Lead Free					DFN										CMOS					0.6mm		TAPE AND REEL	1				6V			DUAL	NO LEAD	NOT SPECIFIED		NOT SPECIFIED		4	Fixed		0.65mm	S-PDSO-N4			Other Regulators	Not Qualified				560mW	2.85V	1	200mA					200mA								260mV			1.7V																								2.85V			0.26V	1%		6.5V																																	220mA
BD4931FVE-TR	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download	9 Weeks	Surface Mount	Tape & Reel (TR)	2009	BD49xxx	yes	Active	1 (Unlimited)	5		EAR99					ROHS3 Compliant	Lead Free			5		SOT-665		10V		-300mV				Surface Mount	-40°C~105°C TA	CMOS			1.53μA		0.6mm			1		Voltage Detector					DUAL	FLAT		2.9V		BD49	5						1	Power Management Circuits					100mW																					Push-Pull, Totem Pole	No	1	+3.1V	NO		3.054V	3.147V										3.1V																		Active Low
BU4345F-TR	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		7 Weeks	Surface Mount	Tape & Reel (TR)	2012		yes	Active	1 (Unlimited)	4		EAR99				2mm	ROHS3 Compliant	Lead Free			4		SC-82		7V		900mV				Surface Mount	-40°C~125°C TA	CMOS	550nA		1.75μA					1		Simple Reset/Power-On Reset					DUAL	GULL WING		2.4V		BU43*	4						1	Power Management Circuits					400mW																					Push-Pull, Totem Pole	No	1	+4.5V	NO		4.455V	4.545V										4.5V	1 %																	Active Low																											Adjustable/Selectable
BA50JC5T	ROHM Semiconductor	7.8254	Add to Cart Min: 1 Mult: 1		6 Weeks	Through Hole	Tube	2008		yes	Active	1 (Unlimited)	3		EAR99					ROHS3 Compliant		Copper, Tin		3		TO-220-3 Full Pack								Through Hole	-40°C~105°C	BIPOLAR								1			16V		e2	Tin/Copper (Sn/Cu)	SINGLE		260		10	BA50JC5T	3	Fixed		2.54mm				Other Regulators	Not Qualified				2W	5V	1						1.5A								300mV			6V																					Positive			5V			0.3V	1%																											0.5mA	900μA											1	Over Current, Over Temperature	55dB (120Hz)	0.5V @ 500mA
BD49101AEFS-ME2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		12 Weeks	Surface Mount	Tape & Reel (TR)	2015	Automotive, AEC-Q100		Active	3 (168 Hours)			EAR99					ROHS3 Compliant	Lead Free			44		44-VSOP (0.295, 7.50mm Width) Exposed Pad								Surface Mount	-40°C~85°C		5mA					8542.39.00.01											NOT SPECIFIED		NOT SPECIFIED																							POWER SUPPLY SUPPORT CIRCUIT								Automotive																																								5.5V~25V
BD5353FVE-TR	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		9 Weeks	Surface Mount	Tape & Reel (TR)	2002		yes	Active	1 (Unlimited)	5		EAR99					ROHS3 Compliant	Lead Free			5		SOT-665		6.5V		950mV				Surface Mount	-40°C~105°C TA	CMOS					0.6mm			1		Simple Reset/Power-On Reset					DUAL	FLAT		1.2V		BD53	5						1						210mW																					Push-Pull, Totem Pole	No	1	+5.3V	NO		5.247V	5.353V										5.3V																		Active Low
BD9895FV-E2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download	10 Weeks	Surface Mount	Tape & Reel (TR)			yes	Not For New Designs	1 (Unlimited)	28						10mm	ROHS3 Compliant						28-LSSOP (0.220, 5.60mm Width)							5.6mm	Surface Mount	-40°C~90°C		10μA				1.35mm	8542.39.00.01		1					e3	MATTE TIN	DUAL	GULL WING	225	7V	NOT SPECIFIED	BD9895				0.65mm	R-PDSO-G28	6V		Switching Regulator or Controllers	Not Qualified		14V											ANALOG CIRCUIT								Inverter Controller																								VOLTAGE-MODE																6V~14V
BU25UB3WG-GTR	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1				Cut Tape								EAR99	85°C	-40°C			RoHS Compliant				5		SSOP			Unknown																			3.6V					NOT SPECIFIED		NOT SPECIFIED			Fixed															2.5V												200mV		360mA	1.7V																																		2.5V
BH3547F-E2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		10 Weeks	Surface Mount	Tape & Reel (TR)	2009		yes	Active	1 (Unlimited)		SMD/SMT	EAR99			5V	5mm	ROHS3 Compliant	Lead Free	Copper, Tin	No	8		8-SOIC (0.173, 4.40mm Width)			No SVHC			1.5mm	4.4mm	Surface Mount	-25°C~75°C TA					20 kHz				1	3.7mA	Class AB					DUAL	GULL WING				BH354*	8	Headphones, 2-Channel (Stereo)					2	Audio/Video Amplifiers		5V		6 dB	550mW					Mute, Thermal Protection	77mW	77mW													550mW																																		Single	16Ohm		4.5V~6.5V				6dB	1										0.05%																					77mW x 2 @ 16 Ω
BD3940FP-E2	ROHM Semiconductor	0.9997	Add to Cart Min: 1 Mult: 1	download		Surface Mount	Tape & Reel (TR)	2008		yes	Not For New Designs	1 (Unlimited)	2	SMD/SMT	EAR99				6.5mm	ROHS3 Compliant			No	3		TO-252-3, DPak (2 Leads + Tab), SC-63		25V	No SVHC	4.5V			5.5mm	Surface Mount	-40°C~125°C	BIPOLAR					2.5mm		TAPE AND REEL	1							SINGLE	GULL WING	260		10	BD3940	4	Fixed			R-PSSO-G2			Other Regulators						3.36V	1						500mA								45mV			4.5V													3.36V								Positive			3.3V			0.45V	2%						3.3V																					30μA	40μA											1	Over Current, Over Temperature	55dB (120Hz)	0.9V @ 100mA
BD8118FM-E2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1			Surface Mount										95°C	-40°C	30V	18.5mm	RoHS Compliant			No	28								2.2mm	7.5mm						150mA																																																		2.2W													2.2W
BD7881GU-E2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		9 Weeks		Tape & Reel (TR)				Active	1 (Unlimited)								ROHS3 Compliant
BA03CC0T	ROHM Semiconductor	2.4962	Add to Cart Min: 1 Mult: 1		7 Weeks	Through Hole	Tube	2005		yes	Active	1 (Unlimited)	3		EAR99					ROHS3 Compliant	Lead Free	Copper, Tin	No	3		TO-220-3 Full Pack								Through Hole	-40°C~125°C	BIPOLAR								1			25V		e2	TIN COPPER	SINGLE		260		10	BA03	3	Fixed		2.54mm				Other Regulators					2W	3V	1						1A								300mV			4V																					Positive			3V			0.3V	2%																											2.5mA	5mA											1	Over Current, Over Temperature, Over Voltage	55dB (120Hz)
BU2363FV-E2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download	8 Weeks	Surface Mount	Tape & Reel (TR)	2008			Active	1 (Unlimited)	16		EAR99			3.3V	5mm	ROHS3 Compliant						16-LSSOP (0.173, 4.40mm Width)							4.4mm	Surface Mount	-10°C~70°C	CMOS															DUAL	GULL WING	NOT SPECIFIED	3.3V	NOT SPECIFIED	BU2363	16			0.65mm					Not Qualified														1											Clock										Crystal						54MHz															50mA					3V~3.6V																36.864MHz								1:6										Audio Video Equipment for DVD Players	Yes		No/No
BD7802FP-E2	ROHM Semiconductor	0.3957	Add to Cart Min: 1 Mult: 1		10 Weeks		Tape & Reel (TR)				Not For New Designs	1 (Unlimited)								ROHS3 Compliant																																				BD7802
BU4819G-TR	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		20 Weeks	Surface Mount	Tape & Reel (TR)	2013		yes	Active	1 (Unlimited)	5		EAR99				2.9mm	ROHS3 Compliant	Lead Free			5		SC-74A, SOT-753		7V	Unknown	-300mV				Surface Mount	-40°C~125°C TA	CMOS	550nA		1.05μA					1	200nA	Simple Reset/Power-On Reset					DUAL	GULL WING		2.4V		BU48*	5						1	Power Management Circuits					540mW																				540mW	Open Drain or Open Collector	No	1	+1.9V	NO		1.881V	1.919V										1.9V	1 %																	Active High/Active Low
BU4238G-TR	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		20 Weeks	Surface Mount	Tape & Reel (TR)	2012		yes	Active	1 (Unlimited)	5		EAR99				2.9mm	ROHS3 Compliant	Lead Free			5		SC-74A, SOT-753		7V		700mV				Surface Mount	-40°C~125°C TA	CMOS			1.75μA					1		Simple Reset/Power-On Reset					DUAL	GULL WING		2.4V		BU42*	5						1	Power Management Circuits					540mW																				540mW	Open Drain or Open Collector	No	1	+3.8V	NO		3.762V	3.838V										3.8V																		Active Low																											Adjustable/Selectable
BU25JA2MNVX-CTL	ROHM Semiconductor	1.5406	Add to Cart Min: 1 Mult: 1		14 Weeks		Tape & Reel (TR)	2016		yes	Active	1 (Unlimited)	4		EAR99				1mm	ROHS3 Compliant													1mm			CMOS					0.6mm	8542.39.00.01		1							DUAL	NO LEAD	NOT SPECIFIED		NOT SPECIFIED			Fixed	YES	0.65mm	S-PDSO-N4											200mA																																							AEC-Q100	2.5V	3.5V	6V			0.62V																				2.575V	2.425V	150°C
BD49L51G-TL	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1	download	10 Weeks		Cut Tape (CT)		BD49Lxx		Active	3 (168 Hours)	3		EAR99				2.92mm	ROHS3 Compliant	Lead Free					TO-236-3, SC-59, SOT-23-3								Surface Mount	-40°C~105°C TA	CMOS								1		Voltage Detector					DUAL	GULL WING	NOT SPECIFIED		NOT SPECIFIED				YES	0.95mm	R-PDSO-G3	0.95V	1																											Push-Pull, Totem Pole		1		NO													5.1V																		Active Low
BDJ2GA5MEFJ-ME2	ROHM Semiconductor	0.0000	RFQ Min: 1 Mult: 1		10 Weeks	Surface Mount	Tape & Reel (TR)	2012			Active	1 (Unlimited)	8		EAR99	105°C	-40°C		4.9mm	ROHS3 Compliant				8					Unknown				3.9mm			CMOS							TAPE AND REEL	1				14V			DUAL	GULL WING	NOT SPECIFIED		NOT SPECIFIED			Fixed						Other Regulators	Not Qualified				2.11W	12V	1	500mA					500mA							600μA	600mV			4.5V																								12V			0.6V	3%						12V
BA4560F-E1	ROHM Semiconductor	0.2683	Add to Cart Min: 1 Mult: 1			Surface Mount	Tape & Reel (TR)	2010		yes	Active	1 (Unlimited)	8		EAR99			15V	5mm	ROHS3 Compliant	Lead Free			8		8-SOIC (0.173, 4.40mm Width)								Surface Mount	-40°C~85°C		4mA				1.6mm			2	7.5mA				e2	TIN COPPER	DUAL	GULL WING	260	18V	10	BA4560	8							Operational Amplifier	Not Qualified														2	4V/μs	25mA	500μV	10MHz												-18V									70 dB																										100dB		50nA	General Purpose							8V~30V ±4V~15V
BAJ5CC0FP-E2	ROHM Semiconductor	0.7078	Add to Cart Min: 1 Mult: 1	download	7 Weeks	Surface Mount	Tape & Reel (TR)	2009		yes	Active	1 (Unlimited)	2		EAR99				6.5mm	ROHS3 Compliant	Lead Free		No	3		TO-252-3, DPak (2 Leads + Tab), SC-63			Unknown				5.5mm	Surface Mount	-40°C~125°C	BIPOLAR					2.5mm		TAPE AND REEL	1			25V				SINGLE	GULL WING				BAJ5CC0	4	Fixed			R-PSSO-G2			Other Regulators					1.2W	15V	1						1A								300mV			4V																				2 %	Positive			15V			0.3V	2%						15V																					2.5mA	5mA											1	Over Current, Over Temperature, Over Voltage	55dB (120Hz)
BU4929F-TR	ROHM Semiconductor	0.6159	Add to Cart Min: 1 Mult: 1		7 Weeks	Surface Mount	Tape & Reel (TR)	2009		yes	Active	1 (Unlimited)	4		EAR99				2mm	ROHS3 Compliant	Lead Free			4		SC-82		7V		700mV				Surface Mount	-40°C~125°C TA	CMOS	550nA		1.4μA					1		Simple Reset/Power-On Reset					DUAL	GULL WING		2.4V		BU4929	4						1	Power Management Circuits		2.5/5V			400mW																					Push-Pull, Totem Pole	No	1	+2.9V	NO		2.871V	2.929V	2.871V	2.929V				450nA				2.9V	1 %																	Active High/Active Low

BD60HA3MEFJ-LBH2 ROHM Semiconductor
Enable Fixed PMIC 8-SOIC (0.154, 3.90mm Width) Exposed Pad

Price: 1.4356
RFQ
BD5342FVE-TR ROHM Semiconductor
1.2V 5 Terminals 5-Pin BD53 Voltage supervisor 1 Channels Min 950mV Max 10V

Price: 3.1223
RFQ
BR93G46FVT-3AGE2 ROHM Semiconductor
Memory IC 4.4mm mm

Price: 0.9254
RFQ
BR24L08-W ROHM Semiconductor
Surface Mount 8 Pin Memory IC BR24L08 8 kb kb 9.3mm mm

Price: 0.0000
RFQ
BR93C46-10TU-1.8 ROHM Semiconductor
Surface Mount 8 Pin Memory IC BR93C46 1 kb kb 4.4mm mm

Price: 0.0000
RFQ
BR24G02FVT-3AGE2 ROHM Semiconductor
Surface Mount Memory IC BR24G02 2 kb kb 4.4mm mm

Price: 0.1760
RFQ
BR93A46RFJ-WME2 ROHM Semiconductor
3/5V V Automotive, AEC-Q100 Memory IC Automotive, AEC-Q100 Series 4.9mm mm

Price: 1.2458
RFQ
BU2JTD2WNVX-TL ROHM Semiconductor
Fixed 0.65mm PMIC 4 DFN

Price: 0.6417
RFQ
BD4931FVE-TR ROHM Semiconductor
2.9V5 Terminals 5-Pin BD49 Voltage supervisorBD49xxx Series 1 Channels Min -300mV Max 10V

Price: 0.0000
RFQ
BU4345F-TR ROHM Semiconductor
2.4V 4 Terminals 4-Pin BU43* Voltage supervisor 1 Channels Min 900mV Max 7V

Price: 0.0000
RFQ
BA50JC5T ROHM Semiconductor
Fixed 2.54mm Copper, Tin BA50JC5T PMIC 3 TO-220-3 Full Pack

Price: 7.8254
RFQ
BD49101AEFS-ME2 ROHM Semiconductor
5.5V~25V 44 Pin Specialized Power Management ICs

Price: 0.0000
RFQ
BD5353FVE-TR ROHM Semiconductor
1.2V 5 Terminals 5-Pin BD53 Voltage supervisor 1 Channels Min 950mV Max 6.5V

Price: 0.0000
RFQ
BD9895FV-E2 ROHM Semiconductor
28 Terminations6V~14V BD9895 Specialized Power Management ICs1 Functions

Price: 0.0000
RFQ
BU25UB3WG-GTR ROHM Semiconductor
Fixed PMIC SSOP

Price: 0.0000
RFQ
BH3547F-E2 ROHM Semiconductor
3.7mA mA20 kHz kHz77mW WAudio Amplifiers1.5mm mm4.4mm mm550mW W8 pins8-SOIC (0.173, 4.40mm Width)

Price: 0.0000
RFQ
BD3940FP-E2 ROHM Semiconductor
Fixed BD3940 PMIC 4 TO-252-3, DPak (2 Leads + Tab), SC-63

Price: 0.9997
RFQ
BD8118FM-E2 ROHM Semiconductor
PMIC 28 Pin

Price: 0.0000
RFQ
BD7881GU-E2 ROHM Semiconductor
Specialized Power Management ICs

Price: 0.0000
RFQ
BA03CC0T ROHM Semiconductor
Fixed 2.54mm Copper, Tin BA03 PMIC 3 TO-220-3 Full Pack

Price: 2.4962
RFQ
BU2363FV-E2 ROHM Semiconductor
BU2363FV-E2 datasheet pdf and Clock/Timing - Application Specific product details from ROHM Semiconductor stock available at HK JDW

Price: 0.0000
RFQ
BD7802FP-E2 ROHM Semiconductor
BD7802 PMIC

Price: 0.3957
RFQ
BU4819G-TR ROHM Semiconductor
2.4V 5 Terminals 5-Pin BU48* Voltage supervisor 1 Channels Min -300mV Max 7V

Price: 0.0000
RFQ
BU4238G-TR ROHM Semiconductor
2.4V 5 Terminals 5-Pin BU42* Voltage supervisor 1 Channels Min 700mV Max 7V

Price: 0.0000
RFQ
BU25JA2MNVX-CTL ROHM Semiconductor
Fixed 0.65mm PMIC

Price: 1.5406
RFQ
BD49L51G-TL ROHM Semiconductor
3 Terminals Voltage supervisorBD49Lxx Series 1 Channels

Price: 0.0000
RFQ
BDJ2GA5MEFJ-ME2 ROHM Semiconductor
Fixed PMIC

Price: 0.0000
RFQ
BA4560F-E1 ROHM Semiconductor
25mA per Channel 50nA 70 dB Instrumentational OP Amps 15V 8V~30V ±4V~15V BA4560 8 Pins 8-SOIC (0.173, 4.40mm Width)

Price: 0.2683
RFQ
BAJ5CC0FP-E2 ROHM Semiconductor
Fixed BAJ5CC0 PMIC 4 TO-252-3, DPak (2 Leads + Tab), SC-63

Price: 0.7078
RFQ
BU4929F-TR ROHM Semiconductor
2.4V 4 Terminals 4-Pin BU4929 Voltage supervisor 1 Channels Min 700mV Max 7V

Price: 0.6159
RFQ

Integrated Circuits (ICs)

Additional Feature

Applications

Base Part Number

Capacitance

Connector Type

Contact Material

Contact Plating

Core Size

Current - Supply

Depth

Diode Element Material

ECCN Code

Factory Lead Time

Feature

fmax-Min

Frequency

Housing Material

HTS Code

Insulation Material

JESD-30 Code

JESD-609 Code

JTAG BST

Lifecycle Status

Manufacturer Package Identifier

Material

Max Operating Temperature

Max Power Dissipation

Mfr

Min Operating Temperature

Moisture Sensitivity Level (MSL)

Mount

Mounting Feature

Mounting Type

Number of Pins

Number of Positions

Number of Rows

Number of Terminals

Number of Terminations

Operating Supply Current

Operating Temperature

P1dB

Package / Case

Packaging

Packing Method

Part Status

Pbfree Code

Peak Reflow Temperature (Cel)

Pin Count

Power (Watts)

Power Rating

Product Weight (g)

Prop. Delay@Nom-Sup

PSRR-Min

Published

Resistance

RoHS Status

Series

Subcategory

Supplier Device Package

Supply Voltage

Surface Mount

Technology

Temperature Coefficient

Temperature Grade

Terminal Finish

Terminal Form

Terminal Position

Terminal Shape

Termination

Time@Peak Reflow Temperature-Max (s)

Tolerance

Transistor Element Material

Type

USB

Voltage - Rated

Voltage - Rated DC

Voltage - Supply

Weight

How can I quickly find answers to my questions?