Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Gates & Inverters

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 Termination 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 SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Input Type Min Supply Voltage (DC) 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 Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Ambient Temperature Range High Number of Elements Number of Outputs Output Current Feature Max Output Current Halogen Free Number of Circuits Load Capacitance Propagation Delay Turn On Delay Time Supplier Device Package Output Characteristics Propagation Delay (tpd) Max Junction Temperature (Tj) Quiescent Current Logic Function High Level Output Current Low Level Output Current Number of Inputs Voltage - Supply Number of Input Lines Number of Output Lines Family Max I(ol) Power Supply Current-Max (ICC) Prop. Delay@Nom-Sup Schmitt Trigger Input Current - Quiescent (Max) Current - Output High, Low Logic Type Schmitt Trigger Number of Gates Max Propagation Delay @ V, Max CL Logic Level - Low Logic Level - High
MC74VHC1G14DTT1G MC74VHC1G14DTT1G ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks ACTIVE (Last Updated: 4 days ago) Surface Mount Tape & Reel (TR) 2005 74VHC yes Active 1 (Unlimited) 5 EAR99 3mm ROHS3 Compliant Lead Free Tin No 5 SOT-23-5 Thin, TSOT-23-5 No SVHC 1mm 1.5mm Surface Mount -55°C~125°C CMOS 1 e3 DUAL GULL WING 260 3.3V 40 74VHC1G14 5 2V 8mA Schmitt Trigger Halogen Free 20.5 ns 20.5 ns 1μA Buffer, Inverter, Schmitt Trigger 2V~5.5V AHC/VHC Yes 8mA 8mA Inverter 1 10.6ns @ 5V, 50pF 0.9V ~ 1.65V 2.2V ~ 3.85V
97422 97422 Cypress Semiconductor Corp 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tray Obsolete 1 (Unlimited) ROHS3 Compliant
NLU1GT14MUTCG NLU1GT14MUTCG ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tape & Reel (TR) 2008 MiniGate™ yes Active 1 (Unlimited) 6 5V ROHS3 Compliant Lead Free No 6 6-UFDFN Surface Mount -55°C~125°C CMOS 0.55mm TAPE AND REEL 1 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 5V NLU1GT14 6 0.4mm Gates Schmitt Trigger Halogen Free 1 50pF 10.6 ns 20.5 ns 1μA Buffer, Inverter, Schmitt Trigger 1.65V~5.5V 1G 0.004 A 8mA 8mA Inverter YES 10.6ns @ 5V, 50pF 0.35V ~ 0.6V 1.6V ~ 2.1V
74HC14D-Q100,118 74HC14D-Q100,118 Nexperia USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Reel (TR) 2014 Automotive, AEC-Q100, 74HC Active 1 (Unlimited) 14 ROHS3 Compliant 14 14-SOIC (0.154, 3.90mm Width) 3.9mm Surface Mount -40°C~125°C CMOS 1.75mm 6 e4 Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) DUAL GULL WING 5V 74HC14 14 YES 1.27mm 2V 6V 25mA Schmitt Trigger 6 190 ns 2V~6V HC/UH 2μA 5.2mA 5.2mA Inverter 21ns @ 6V, 50pF 0.3V ~ 1.2V 1.5V ~ 4.2V
74HCT02D,653 74HCT02D,653 Nexperia USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Reel (TR) 74HCT Active 1 (Unlimited) 14 8.65mm ROHS3 Compliant 14 14-SOIC (0.154, 3.90mm Width) 36MHz 1.75mm 3.9mm Surface Mount -40°C~125°C CMOS 4 2μA e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 5V 30 74HCT02 14 YES Not Qualified 5.5V 125°C 1 4mA 4 50pF 9 ns 2 4.5V~5.5V HCT 4mA 4mA NOR Gate 19ns @ 4.5V, 50pF 0.8V 2V
N74F11N,602 N74F11N,602 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 1999 74F Obsolete 1 (Unlimited) 14 19.025mm ROHS3 Compliant 14-DIP (0.300, 7.62mm) 7.62mm Through Hole 0°C~70°C TTL 4.2mm 3 e4 NICKEL PALLADIUM GOLD DUAL 260 5V 30 74F11 14 NO 2.54mm R-PDIP-T14 4.5V Gates Not Qualified 5V 5.5V 3 50pF 6.6 ns 3 4.5V~5.5V F/FAST 0.02 A 9.7mA 6.6 ns 1mA 20mA AND Gate NO 5.6ns @ 5V, 50pF 0.8V 2V
S-75V08ANC-5V2-TFG S-75V08ANC-5V2-TFG ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) S-75V yes Not For New Designs 1 (Unlimited) 5 RoHS Compliant 5-TSSOP, SC-70-5, SOT-353 Surface Mount -40°C~85°C CMOS 1 TIN BISMUTH/TIN SILVER DUAL GULL WING 260 3.3V 10 75V08 5 YES 0.65mm R-PDSO-G5 2V Gates Not Qualified 5.5V 1 50pF 2 2V~5.5V AHC/VHC 0.00005 A 1μA 8mA 8mA AND Gate NO 7.9ns @ 5V, 50pF 0.5V 1.5V
SN74AUC2G08DCTRG4 SN74AUC2G08DCTRG4 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 4 days ago) Surface Mount Tape & Reel (TR) yes 1 (Unlimited) 8 85°C -40°C 2.95mm RoHS Compliant Lead Free No 8 SSOP 2.7V 800mV 1.3mm 2.8mm 1.29mm 23.388357mg CMOS TR 2 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 1.2V 8 INDUSTRIAL 0.65mm Gates 2 1.6 ns 1.6 ns 10μA AND -9mA 9mA 1 AUC 0.009 A 3 ns NO
SN74F30N SN74F30N Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 5 days ago) Through Hole Tube 74F Active 1 (Unlimited) 14 Through Hole EAR99 5V 19.3mm ROHS3 Compliant Lead Free No 14 14-DIP (0.300, 7.62mm) No SVHC 5.08mm 6.35mm 3.9mm Through Hole 927.99329mg 0°C~70°C TTL 1 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 5V 74F30 14 2.54mm Gates 5V 1 20mA 20mA 50pF 5 ns 5.5 ns NAND 8 4.5V~5.5V F/FAST 0.02 A 4mA 1.5mA 1mA 20mA NAND Gate NO 5ns @ 5V, 50pF 0.8V 2V
N74F3038D,518 N74F3038D,518 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 1999 74F Obsolete 1 (Unlimited) 16 10.3mm ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) 7.5mm Surface Mount 0°C~70°C TTL 4 e4 NICKEL PALLADIUM GOLD DUAL GULL WING 260 5V 30 74F3038 16 YES R-PDSO-G16 Gates Not Qualified 5V 5.5V Open Collector 4 50pF 2 4.5V~5.5V F/FAST - 160mA NAND Gate NO 11.5ns @ 5V, 50pF 0.8V 2V
74LVX02MTC 74LVX02MTC ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 74LVX yes Obsolete 1 (Unlimited) 14 RoHS Compliant Lead Free No 14 14-TSSOP (0.173, 4.40mm Width) Surface Mount 55.3mg -40°C~85°C CMOS 4 DUAL GULL WING 2.7V 74LVX02 2V 3.6V 1 10.1 ns 12 ns 2μA NOR 2 2V~3.6V LV/LV-A/LVX/H 4mA 4mA NOR Gate 4 10.1ns @ 3.3V, 50pF 0.5V ~ 0.8V 1.5V ~ 2.4V
SN74HCS27QDRQ1 SN74HCS27QDRQ1 Texas Instruments 1.4518
Add to Cart

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tape & Reel (TR) Automotive, AEC-Q100, 74HC yes Active 1 (Unlimited) 14 8.65mm ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) Surface Mount -40°C~125°C CMOS 1.75mm 3 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 4.5V NOT SPECIFIED 74HCS27 YES 1.27mm R-PDSO-G14 2V 6V Schmitt Trigger Input 3 3 2V~6V HC/UH 0.0078 A 2μA - 7.8mA NOR Gate YES 12ns @ 6V, 50pF 1V ~ 3V 1.5V ~ 4.2V
74AC32SJ 74AC32SJ ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 36 Weeks Surface Mount Tube 74AC yes Obsolete 1 (Unlimited) 14 RoHS Compliant Lead Free No 14 14-SOIC (0.209, 5.30mm Width) 5.3mm Surface Mount 218.3mg -40°C~85°C CMOS 4 DUAL GULL WING 3.3V 74AC32 2V 6V 1 10 ns 9 ns 2μA OR 2 2V~6V AC 24mA 24mA OR Gate 4 7.5ns @ 5V, 50pF 0.9V ~ 1.65V 2.1V ~ 3.85V
BU4093BF-E2 BU4093BF-E2 ROHM Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2008 4000B yes Not For New Designs 1 (Unlimited) 14 8.7mm ROHS3 Compliant Lead Free No 14 14-SOIC (0.173, 4.40mm Width) Surface Mount -40°C~85°C CMOS TAPE AND REEL 4 e2 TIN COPPER DUAL GULL WING 260 5V 10 4093 14 3V Gates Schmitt Trigger 4 40 ns 125 ns 4μA NAND 2 3V~16V 1 3mA 3mA NAND Gate YES 40ns @ 15V, 50pF 1.5V ~ 4V 3.5V ~ 11V
74VHCU04MX 74VHCU04MX ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tape & Reel (TR) 1999 74VHCU yes Active 1 (Unlimited) 14 EAR99 ROHS3 Compliant Lead Free Tin No 14 14-SOIC (0.154, 3.90mm Width) 3.9mm Surface Mount 150mg -40°C~85°C CMOS 1.753mm 8542.39.00.01 TAPE AND REEL 6 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 3.3V 74VHCU04 1.27mm 2V Gates 2/5.5V 5.5V 50pF 13 ns 13 ns 2μA 2V~5.5V AHC/VHC 0.008 A 8 ns 8mA 8mA Inverter NO 6 7ns @ 5V, 50pF 0.3V 1.7V
5962-9152801MYA(NSC) 5962-9152801MYA(NSC) Teledyne e2v 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Active RoHS non-compliant 24 OR/NOR
SN74HCT14D SN74HCT14D Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 3 days ago) Surface Mount Tube 74HCT yes Active 1 (Unlimited) 14 EAR99 5V 8.65mm ROHS3 Compliant Lead Free No 14 14-SOIC (0.154, 3.90mm Width) No SVHC 1.75mm 3.91mm 1.58mm Surface Mount 129.387224mg -40°C~85°C CMOS 4.5V 8542.39.00.01 6 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 5V 74HCT14 14 1.27mm 6 Gates 5V 4mA Schmitt Trigger 50pF 30 ns 38 ns 2μA Buffer, Inverter, Schmitt Trigger 4.5V~5.5V HCT 0.004 A 0.02mA 40 ns Yes 4mA 4mA Inverter 30ns @ 5.5V, 50pF 0.5V ~ 0.6V 1.9V ~ 2.1V
HEF4069UBT,653 HEF4069UBT,653 Nexperia USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Reel (TR) 2013 4000B Active 1 (Unlimited) 14 ROHS3 Compliant 2 14-SOIC (0.154, 3.90mm Width) 3.9mm Surface Mount -40°C~125°C CMOS 1.75mm 6 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 5V 30 4069 14 YES R-PDSO-G14 3V Not Qualified 15V 2.4mA 6 50pF 90 ns 3V~15V 4000/14000/40000 1μA 3.4mA 3.4mA Inverter 30ns @ 15V, 50pF 1V ~ 2.5V 4V ~ 12.5V
SN7402N SN7402N Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 4 days ago) Through Hole Tube 7400 Active 1 (Unlimited) 14 Through Hole EAR99 5V 19.3mm ROHS3 Compliant Lead Free 14 14-DIP (0.300, 7.62mm) No SVHC 5.08mm 6.35mm 3.9mm Through Hole 927.99329mg 0°C~70°C TTL 4 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 5V SN7402 14 4 Gates 5V 1 16mA 16mA 22 ns 22 ns NOR 2 4.75V~5.25V TTL/H/L No 400μA 16mA NOR Gate 22ns @ 5V, 15pF 0.8V 2V
NC7WZ04P6X NC7WZ04P6X ON Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 5 days ago) Surface Mount Tape & Reel (TR) 2009 7WZ yes Active 1 (Unlimited) 6 EAR99 2mm ROHS3 Compliant Lead Free Tin 6 6-TSSOP, SC-88, SOT-363 No SVHC 1.1mm 1.25mm Surface Mount 28mg -40°C~85°C CMOS TAPE AND REEL 2 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 1.8V 7WZ04 Gates 3.3V 5.5V 2 32mA 50pF 11 ns 5 ns 150°C 10μA 1.65V~5.5V LVC/LCX/Z No 1μA 32mA 32mA Inverter 3.6ns @ 5V, 50pF
SN74HC32D SN74HC32D Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 1 day ago) Surface Mount Tube 74HC yes Active 1 (Unlimited) 14 EAR99 5V 8.65mm ROHS3 Compliant Lead Free Gold No 14 14-SOIC (0.154, 3.90mm Width) No SVHC 1.75mm 3.91mm 1.58mm Surface Mount 129.387224mg -40°C~85°C CMOS 4 e4 DUAL GULL WING 260 5V 74HC32 14 2V 4 Gates 6V 1 5.2mA 50pF 17 ns 21 ns 2μA OR 2 2V~6V HC/UH 5.2mA 5.2mA OR Gate NO 17ns @ 6V, 50pF 0.5V ~ 1.8V 1.5V ~ 4.2V
SN74HC86APWR SN74HC86APWR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks Tape & Reel (TR) 74HC Active 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) Surface Mount -40°C~85°C 74HC86 4 XOR 2 2V~6V 2μA 5.2mA 5.2mA XOR (Exclusive OR) 15ns @ 6V, 50pF 0.1V ~ 0.26V 1.9V ~ 5.9V
SN74ACT08DR SN74ACT08DR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 1 day ago) Surface Mount Tape & Reel (TR) 74ACT yes Active 1 (Unlimited) 14 EAR99 5V 8.65mm ROHS3 Compliant Lead Free Gold No 14 14-SOIC (0.154, 3.90mm Width) No SVHC 1.75mm 3.91mm 1.58mm Surface Mount 129.387224mg -40°C~85°C CMOS TR 4 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 74ACT08 14 Gates 5V 4 1 24mA 50pF 9 ns 10 ns 2μA AND 2 4.5V~5.5V ACT 24mA 24mA AND Gate NO 9ns @ 5V, 50pF 0.8V 2V
74LVC1G332GV,125 74LVC1G332GV,125 Nexperia USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Surface Mount Tape & Reel (TR) 2010 74LVC Active 1 (Unlimited) 6 2.9mm ROHS3 Compliant Tin No 6 SC-74, SOT-457 Surface Mount -40°C~125°C CMOS 1 e3 DUAL GULL WING 260 1.8V 30 74LVC1G332 6 0.95mm 5.5V 1.9 ns 3 ns 10μA OR 3 1.65V~5.5V LVC/LCX/Z 4μA 32mA 32mA OR Gate 1 3.5ns @ 5V, 50pF 0.7V ~ 0.8V 1.7V ~ 2V
13612OR-S02QFNEVB 13612OR-S02QFNEVB Inphi Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Discontinued
DM74ALS37AM DM74ALS37AM ON Semiconductor 5.1473
Add to Cart

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 74ALS Obsolete 1 (Unlimited) 70°C 0°C 5V RoHS Compliant Lead Free 14 14-SOIC (0.154, 3.90mm Width) 5.5V 4.5V Surface Mount 0°C~70°C 74ALS37 4 1 4 8 ns 8 ns 14-SOIC NAND -2.6mA 24mA 2 4.5V~5.5V 2 1 2.6mA 24mA NAND Gate 4 8ns @ 5V, 50pF 0.8V 2V
74HCT1G02GV,125 74HCT1G02GV,125 Nexperia USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 4 Weeks Tape & Reel (TR) 2007 74HCT Active 1 (Unlimited) 5 ROHS3 Compliant SC-74A, SOT-753 Surface Mount -40°C~125°C CMOS 1 e3 Tin (Sn) DUAL GULL WING 260 5V 30 74HCT1G02 5 YES 0.95mm R-PDSO-G5 4.5V 5.5V 1 2 4.5V~5.5V HCT 20μA 2mA 2mA NOR Gate 11ns @ 4.5V, 50pF 0.8V 2V
NTE74LS13 NTE74LS13 NTE Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Active Schmitt Trigger 14 NAND
SN74AHC1G08DBVTG4 SN74AHC1G08DBVTG4 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks ACTIVE (Last Updated: 1 week ago) Surface Mount Tape & Reel (TR) 74AHC yes Active 1 (Unlimited) 5 2.9mm ROHS3 Compliant Lead Free 5 SC-74A, SOT-753 1.45mm 1.6mm 1.2mm Surface Mount 15.790684mg -55°C~125°C CMOS TR 1 e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL GULL WING 260 3.3V 74AHC1G08 5 2V Gates 1 7.9 ns 7.9 ns 3-STATE 1μA AND 2 2V~5.5V AHC/VHC/H/U/V 0.008 A No 8mA 8mA AND Gate 7.9ns @ 5V, 50pF 0.5V ~ 1.65V 1.5V ~ 3.85V
74LVC2G00GXX 74LVC2G00GXX Nexperia USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) 74LVC Active 1 (Unlimited) 8 1.35mm 8-XFDFN Exposed Pad compliant 0.8mm Surface Mount -40°C~125°C CMOS 0.35mm 2 BOTTOM BUTT YES R-PBCC-B8 1.65V 5.5V 2 10.8 ns 2 3.3V~5V LVC/LCX/Z 4μA 32mA 32mA NAND Gate 4.2ns @ 5V, 50pF 0.1V ~ 0.8V 0.95V ~ 3.4V
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