Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Instrumentational OP Amps

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Package / Case Max Supply Voltage Reach Compliance Code Min Supply Voltage Height Width Thickness Resistance Mounting Type Operating Temperature Technology Operating Supply Current Current - Supply Bandwidth Height Seated (Max) HTS Code Packing Method Number of Functions Nominal Supply Current 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 Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Ambient Temperature Range High Max Power Dissipation Number of Elements Output Current Analog IC - Other Type Number of Circuits Slew Rate Output Current per Channel Input Offset Voltage (Vos) Gain Bandwidth Product Current - Output Power Dissipation Max Dual Supply Voltage Min Dual Supply Voltage Neg Supply Voltage-Nom (Vsup) Supplier Device Package -3db Bandwidth Max Junction Temperature (Tj) Quiescent Current Common Mode Rejection Ratio Dual Supply Voltage Input Capacitance Screening Level Supply Current-Max Voltage Gain Average Bias Current-Max (IIB) Power Supply Rejection Ratio (PSRR) Neg Supply Voltage-Max (Vsup) Input Offset Current-Max (IIO) Low-Offset Frequency Compensation Supply Voltage Limit-Max Low-Bias Micropower Voltage Gain-Min Common-mode Reject Ratio-Min Settling Time Architecture Unity Gain BW-Nom Programmable Power Power Current - Input Bias Amplifier Type Wideband Max I/O Voltage Voltage - Supply, Single/Dual (±) Voltage - Input Offset Bias Current-Max (IIB) @25C Nominal Gain Bandwidth Product Current - Output / Channel
LT1124AIS8#TRPBF LT1124AIS8#TRPBF Linear Technology/Analog Devices 7.6590
Add to Cart

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~85°C BIPOLAR 2.3mA TAPE AND REEL 2 e3 Matte Tin (Sn) DUAL GULL WING 250 15V NOT SPECIFIED LT1124 8 YES R-PDSO-G8 Operational Amplifier Not Qualified +-15V 2 4.5V/μs 12.5MHz -15V 124 dB 0.05μA YES YES VOLTAGE-FEEDBACK 12500 kHz 5nA General Purpose ±4V~18V 20μV
LT1970IFE#TRPBF LT1970IFE#TRPBF Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tape & Reel (TR) 2012 Active 1 (Unlimited) 20 EAR99 6.5mm ROHS3 Compliant 20-TSSOP (0.173, 4.40mm Width) Exposed Pad Surface Mount -40°C~85°C BIPOLAR 7mA 1 e3 Matte Tin (Sn) DUAL GULL WING 260 15V 30 LT1970 20 YES 0.65mm R-PDSO-G20 Operational Amplifier Not Qualified 1 1.6V/μs 3.6MHz -15V 105 dB NO YES NO NO 5000 VOLTAGE-FEEDBACK 3600 kHz NO YES 160nA General Purpose NO 5V~36V ±2.5V~18V 200μV 800mA
MAX4183EUB+T MAX4183EUB+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Surface Mount Tape & Reel (TR) 1998 yes Obsolete 1 (Unlimited) 10 EAR99 5V 3.05mm ROHS3 Compliant No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 950μm 3.05mm Surface Mount -40°C~85°C 1mA 2 e3 TIN DUAL GULL WING 260 5V 30 MAX4183 10 0.5mm Operational Amplifier 444mW 2 450V/μs 60mA 1.5mV -5V 270MHz 50 dB 5V 53dB 6V 245000 kHz 1μA Current Feedback 4.5V~11V ±2.25V~5.5V
LMV321LICT LMV321LICT STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks ACTIVE (Last Updated: 7 months ago) Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 5 EAR99 2mm ROHS3 Compliant Lead Free Tin No 5 5-TSSOP, SC-70-5, SOT-353 1.1mm Surface Mount -40°C~125°C BICMOS 130μA 1.3MHz TAPE AND REEL 1 220μA e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 5V 30 LMV321 Rail-to-Rail Operational Amplifier 125°C 1 46mA 0.7V/μs 43mA 1mV 150°C 72 dB 100dB NO YES 6V NO YES VOLTAGE-FEEDBACK 1300 kHz NO NO 27nA General Purpose 2.7V~5.5V 0.06μA 70mA
LTC2055HVHDD#TRPBF LTC2055HVHDD#TRPBF Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tape & Reel (TR) 2009 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-WFDFN Exposed Pad Surface Mount -40°C~125°C 150μA 0.8mm TAPE AND REEL 2 e3 Matte Tin (Sn) DUAL NO LEAD 5V LTC2055 8 Rail-to-Rail YES 0.5mm S-PDSO-N8 Not Qualified 2 0.5V/μs 500kHz -5V 130 dB 0.003μA -6V 0.0007μA YES 6V YES YES 120 115 dB 500 kHz 3pA Zero-Drift 2.7V~11V ±1.35V~5.5V 0.5μV
LTC2054IS5#TRPBF LTC2054IS5#TRPBF Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tape & Reel (TR) 2009 Active 1 (Unlimited) 5 EAR99 2.9mm ROHS3 Compliant SOT-23-5 Thin, TSOT-23-5 Surface Mount -40°C~85°C 140μA TAPE AND REEL 1 e3 Matte Tin (Sn) DUAL GULL WING 3V LTC2054 5 Rail-to-Rail YES 0.95mm R-PDSO-G5 Not Qualified 1 0.5V/μs 500kHz 130 dB 0.0003μA YES YES YES 120 500 kHz 1pA Zero-Drift 2.7V~6V 0.5μV
LTC2057HVHS8#TRPBF LTC2057HVHS8#TRPBF Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 16 Weeks Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 4.903mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~125°C CMOS 900μA TAPE AND REEL 1 e3 Matte Tin (Sn) DUAL GULL WING NOT SPECIFIED 15V NOT SPECIFIED LTC2057 8 Rail-to-Rail YES R-PDSO-G8 Operational Amplifier Not Qualified +-2.5/+-30V 1 0.45V/μs 1.5MHz -15V 150 dB 0.006μA -32.5V YES YES 32.5V YES NO 708000 CHOPPER-STAB 1500 kHz NO NO 30pA Zero-Drift NO 4.75V~60V ±2.38V~30V 0.5μV 0.0002μA
LT1884CS8#PBF LT1884CS8#PBF Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tube 2000 Active 1 (Unlimited) 8 EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) Surface Mount 0°C~70°C BIPOLAR 850μA 2 e3 Matte Tin (Sn) DUAL GULL WING 260 15V 30 LT1884 8 Rail-to-Rail YES R-PDSO-G8 Operational Amplifier Not Qualified 5/+-15V 2 1V/μs 2.2MHz -15V 130 dB 0.0014μA YES YES YES 75000 VOLTAGE-FEEDBACK 2200 kHz 150pA General Purpose 2.7V~36V ±1.35V~18V 30μV 0.0009μA 50mA
LTC6430AIUF-20 LTC6430AIUF-20 Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tube Obsolete 1 (Unlimited) 24 4mm Non-RoHS Compliant 4mm BICMOS 0.8mm e3 Matte Tin (Sn) QUAD NO LEAD NOT SPECIFIED 5V NOT SPECIFIED 24 INDUSTRIAL YES 0.5mm S-PQCC-N24 4.75V 85°C -40°C 5.25V ANALOG CIRCUIT
PA85 PA85 Apex Microtechnology 206.4259
Add to Cart

Min: 1

Mult: 1

0.00000000 download 7 Weeks Through Hole Bulk 2011 Apex Precision Power® Active 1 (Unlimited) 85°C -25°C 38.9mm RoHS Compliant 8 TO-3-8 6.4mm 25.4mm Through Hole -25°C~85°C 21mA 21mA PA85 1 1000V/μs 200mA 500μV 100MHz TO-3-8 150V 111dB 5pA Power 30V~450V ±15V~225V 500μV 200mA
LT1211MJ8 LT1211MJ8 Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 8 EAR99 RoHS Compliant No 8 8-CDIP (0.300, 7.62mm) Through Hole -55°C~125°C BIPOLAR 1.8mA 2 e0 Tin/Lead (Sn/Pb) DUAL 15V LT1211 8 Operational Amplifier 3.3/5/+-15V 2 7V/μs 275μV 14MHz -15V 86 dB 114.96dB 0.14μA 87dB YES YES VOLTAGE-FEEDBACK 14000 kHz 60nA General Purpose 2.5V~36V ±1.25V~18V 150μV 50mA
LT1999HMS8-20#TRPBF LT1999HMS8-20#TRPBF Analog Devices, Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download PRODUCTION (Last Updated: 3 months ago) Tape and Reel 125°C -40°C 5V RoHS Compliant 8 MSOP 5.5V 4.5V 20MOhm 5.8mA 1 2 1 3 V/μs 40mA 500μV 2MHz 75 dB 26.06dB 68dB 137.5μA 2MHz
AD843AQ AD843AQ Analog Devices Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks PRODUCTION (Last Updated: 3 weeks ago) Through Hole Tube no Active 1 (Unlimited) 8 EAR99 10.29mm Non-RoHS Compliant Contains Lead Lead, Tin No 8 8-CDIP (0.300, 7.62mm) 4.7mm 7.87mm Through Hole -40°C~85°C BIPOLAR 12mA 34MHz 1 e0 Tin/Lead (Sn/Pb) DUAL 15V AD843 8 2.54mm Operational Amplifier 1.8W 1 250V/μs 50mA 1mV -15V 12mA 72 dB 15V 6pF 87.96dB 76dB NO YES VOLTAGE-FEEDBACK 34000 kHz 50pA General Purpose ±4.5V~18V 0.0025μA
ADA4817-1ARDZ-RL ADA4817-1ARDZ-RL Analog Devices Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks PRODUCTION (Last Updated: 1 week ago) Tape & Reel (TR) FastFET™ no Active 3 (168 Hours) 8 EAR99 9V 4.9mm ROHS3 Compliant Contains Lead Tin 8 8-SOIC (0.154, 3.90mm Width) Exposed Pad Surface Mount -40°C~105°C BIPOLAR 21mA TAPE AND REEL 1 21mA e3 DUAL GULL WING 260 5V 30 ADA4817 8 YES 1 Operational Amplifier Not Qualified 70mA 870V/μs 40mA 2mV 410MHz -5V 1.05GHz 21mA -90 dB 3V 1.5pF 63dB 0.00002μA -72dB NO YES YES NO 9 ns 410000 kHz NO 2pA Voltage Feedback YES 5V~10V ±2.5V~5V 400μV 0.00002μA
LMR821G-GTR LMR821G-GTR ROHM Semiconductor 0.9541
Add to Cart

Min: 1

Mult: 1

0.00000000 20 Weeks Surface Mount Tape & Reel (TR) 2015 yes Active 1 (Unlimited) ROHS3 Compliant SC-74A, SOT-753 Surface Mount -40°C~85°C 300μA Operational Amplifier 1 2V/μs 45mA 1mV 5MHz 40nA General Purpose 2.5V~5V
OP27ALQMLR:93 OP27ALQMLR:93 Analog Devices, Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 RoHS Compliant
LT1012IN8#PBF LT1012IN8#PBF Linear Technology / Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks PRODUCTION (Last Updated: 2 weeks ago) Tube 2003 Active 1 (Unlimited) 8 EAR99 ROHS3 Compliant Lead Free 8 8-DIP (0.300, 7.62mm) Through Hole -40°C~85°C BIPOLAR 380μA 3.937mm 1 e3 Matte Tin (Sn) DUAL NOT SPECIFIED 15V NOT SPECIFIED LT1012 8 NO 2.54mm Operational Amplifier Not Qualified 1 0.2V/μs 8μV -15V 114 dB 126.02dB 114dB -20V YES YES 20V YES YES VOLTAGE-FEEDBACK 25pA General Purpose 2.4V~40V ±1.2V~20V 1MHz
LTC6085HGN#PBF LTC6085HGN#PBF Linear Technology/Analog Devices 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks PRODUCTION (Last Updated: 3 weeks ago) Tube 2009 Active 1 (Unlimited) 16 EAR99 ROHS3 Compliant 16 16-SSOP (0.154, 3.90mm Width) Surface Mount -40°C~125°C CMOS 110μA 1.75mm 4 e3 Matte Tin (Sn) DUAL GULL WING 250 2.5V NOT SPECIFIED LTC6085 16 Rail-to-Rail YES 0.635mm Operational Amplifier Not Qualified 3/5V 4 0.5V/μs 12.5mA 300μV 1.5MHz 70 dB 0.58mA 133.98dB 0.00075μA 94dB NO YES 6V YES YES VOLTAGE-FEEDBACK 1500 kHz 1pA General Purpose 2.5V~5.5V ±1.25V~2.75V 1.5MHz
TL062CPWE4 TL062CPWE4 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Rail/Tube yes 1 (Unlimited) 8 EAR99 70°C 0°C 18V 4.4mm RoHS Compliant Contains Lead No 8 TSSOP BIPOLAR 200μA 1MHz 2 500μA e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 15V 8 COMMERCIAL YES 0.65mm Operational Amplifier +-15V 2 3.5 V/μs 15mV 1MHz 18V 3.5V -15V 70 dB 75.56dB 0.01μA NO YES YES YES VOLTAGE-FEEDBACK 1000 kHz 400pA OPERATIONAL AMPLIFIER 15mV 0.0004μA 1MHz
TLE2021ACDR TLE2021ACDR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks ACTIVE (Last Updated: 1 day ago) Tape & Reel (TR) Excalibur™ yes Active 1 (Unlimited) 8 EAR99 20V 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) 1.75mm 3.91mm 1.58mm Surface Mount 0°C~70°C BIPOLAR 240μA 1.2MHz TR 1 300μA e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 15V TLE2021 8 YES Operational Amplifier +-2/+-20/4/40V 1 0.65V/μs 20mA 300μV 1.7MHz 725mW -15V 85 dB 123.52dB 0.07μA 0.006μA YES YES NO YES VOLTAGE-FEEDBACK 1700 kHz NO 25nA General Purpose 300μV 4V~40V ±2V~20V 80μV 0.07μA 1.2MHz
LMH6722SD LMH6722SD National Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 1 (Unlimited) 14 EAR99 4mm Non-RoHS Compliant 14 not_compliant 3mm BIPOLAR 0.8mm 8542.33.00.01 4 e0 Tin/Lead (Sn85Pb15) DUAL GULL WING INDUSTRIAL YES 0.5mm Operational Amplifier Not Qualified OPERATIONAL AMPLIFIER
TSX9292IYDT TSX9292IYDT STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download ACTIVE (Last Updated: 7 months ago) Tape & Reel (TR) Active 3 (168 Hours) 8 EAR99 4.9mm Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~125°C 2.8mA 1.75mm TAPE AND REEL 2 DUAL GULL WING NOT SPECIFIED 4.5V NOT SPECIFIED Rail-to-Rail YES R-PDSO-G8 Operational Amplifier 2 27V/μs 16MHz 72 dB AEC-Q100 NO YES 18V YES NO 57 dB VOLTAGE-FEEDBACK 15600 kHz NO NO 10pA CMOS NO 4V~16V 4mV 0.0001μA 74mA
ALD4702BSB ALD4702BSB Advanced Linear Devices, Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 (Unlimited) 14 EAR99 70°C 0°C 5V Non-RoHS Compliant SOIC CMOS 4 6mA DUAL GULL WING 225 2.5V NOT SPECIFIED 14 COMMERCIAL YES 4 Operational Amplifier Not Qualified 1.9 V/μs 2mV 1.5MHz 8mA 6V 2V -2.5V 65 dB 107.96dB 0.0003μA 1500 kHz 30pA OPERATIONAL AMPLIFIER
NJM4558E-TE2 NJM4558E-TE2 NJR Corporation/NJRC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) 2013 Active 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~85°C 3.5mA 2 1V/μs 3MHz 8-SOP 25nA General Purpose ±4V~18V 500μV
74AC244CW 74AC244CW ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download RoHS Compliant 6V 2V
NJM4580CG-TE2 NJM4580CG-TE2 NJR Corporation/NJRC 0.3990
Add to Cart

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~85°C 6mA 2 5V/μs 15MHz 8-SOP 100nA General Purpose ±2V~18V 300μV
ICL7650MJD/HR ICL7650MJD/HR Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2000 no Obsolete 1 (Unlimited) 14 EAR99 15V Non-RoHS Compliant No 14 14-CDIP (0.300, 7.62mm) Through Hole -55°C~125°C CMOS 1.2mA 5.08mm 1 2mA e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 ICL7650 14 2.54mm Operational Amplifier +-5V 1 2.5V/μs 8V 2MHz -5V 120 dB MIL-STD-883 Class B (Modified) 173.98dB YES YES 9V YES NO CHOPPER-STAB 2000 kHz NO NO 1.5pA Zero-Drift NO 4.5V~16V ±2.25V~8V 700μV
TLV2464CDG4 TLV2464CDG4 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Rail/Tube 1 (Unlimited) 14 EAR99 125°C -40°C 3V 8.65mm RoHS Compliant Lead Free No 14 SOIC 6V 2.7V 1.58mm 3.91mm CMOS 550μA 6.4MHz 4 2.6mA e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 3V 14 COMMERCIAL YES 1.27mm Operational Amplifier 4 1.6 V/μs 80mA 2mV 6.4MHz 80mA 1.022W 3V 1.35V 66 dB 109dB 0.025μA NO YES NO NO VOLTAGE-FEEDBACK 5200 kHz NO 14nA OPERATIONAL AMPLIFIER 2mV
AD8052AR-REEL AD8052AR-REEL Analog Devices Inc. 2.3932
Add to Cart

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead No 8 8-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~125°C BIPOLAR 4.8mA 1.75mm TAPE AND REEL 2 11mA e0 DUAL GULL WING 240 5V 30 AD8052 8 Rail-to-Rail YES 2 Operational Amplifier 45mA 170V/μs 45mA 1.7mV 80MHz -5V 110MHz 5.5mA 88 dB 5V 1.4pF 98dB 3.5μA 80dB -6.3V NO YES 6.3V NO NO 50 ns 110000 kHz NO 1.4μA Voltage Feedback YES 3V~12V ±1.5V~6V 1.8mV
DEM-OPA268XU DEM-OPA268XU Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 2 weeks ago) Non-RoHS Compliant
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support