Darlington Transistor Array

The ULN2803A is a High-Voltage high-current Darlington Transistor array. The device consists of eight NPN Darlington pairs that feature High-Voltage outputs with common-cathode clamp Diodes for switching inductive loads. The collector-current rating of each Darlington pair is 500 mA. The Darlington pairs may be connected in parallel for higher current capability.
Applications include Relay Drivers hammer drivers, lamp drivers, Display drivers (LED and gas discharge), Line Drivers and Logic Buffers The ULN2803A has a 2.7-k series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS devices.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
ULN2803A Rochester Electronics LLC Power Bipolar Transistor, 0.5A I(C), 50V V(BR)CEO, 8-Element, NPN, Silicon, Plastic/Epoxy, 18 Pin, PLASTIC, CASE 707, DIP-18
ULN2803AN-P Texas Instruments Darlington Transistor Array 18-PDIP -40 to 85
ULN2803ADWG4 Texas Instruments Darlington Transistor Array 18-SOIC -40 to 85
ULN2803AN Texas Instruments Darlington Transistor Array 18-PDIP -40 to 85
ULN2803ANE4 Texas Instruments Darlington Transistor Array 18-PDIP -40 to 85
ULN2803ADW Texas Instruments Darlington Transistor Array 18-SOIC -40 to 85
ULN2803ADWRG4 Texas Instruments Darlington Transistor Array 18-SOIC -40 to 85
ULN2803ADWR Texas Instruments Darlington Transistor Array 18-SOIC -40 to 85
ULN2803A 's PackagesULN2803A 's pdf datasheet
ULN2803ADW SOIC
ULN2803ADWG4 SOIC
ULN2803ADWR SOIC
ULN2803ADWRG4 SOIC
ULN2803AN




ULN2803A Pinout, Pinouts
ULN2803A pinout,Pin out
This is one package pinout of ULN2803A,If you need more pinouts please download ULN2803A's pdf datasheet.

ULN2803A Application circuits
ULN2803A circuits
This is one application circuit of ULN2803A,If you need more circuits,please download ULN2803A's pdf datasheet.


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