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ULN2003 IC – Darligton Transistor Array



The ULN2003 is a Darlington array IC it can be used to drive Stepper and DC Motors, Relays, Solenoids, and other external circuits operating at high voltages and currents from simple CMOS logic signals from microcontrollers. It has 8 driving channels, each channel can withstand peak currents of 600mA. Suppression diodes are included for back EMF protection while driving inductive loads. The ULN2004 is used in the current version of our 8 Channel Relay Board to drive the onboard relays.

Technical specifications:

  • 7 Darlingtons Pairs
  • Output current 500 mA per channel
  • Output Voltage 50V max
  • Integrated Diodes for inductive loads
  • Outputs can be paralleled for higher current
  • TTL/CMOSCompatible inputs


  • Relay Drivers
  • Stepper and DC Brushed Motor Drivers
  • Lamp Drivers
  • Display Drivers (LED and Gas Discharge)
  • Line Drivers
  • Logic Buffers

Package Includes:

  • 1 Piece –ULN2003 IC – Darligton Transistor Array
Weight 2 g


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SKU: ERICS006 Category: Tag: