8 Channel Darlington Array


Availability: In Stock


SKU: IC-003 Manufacturer: STMicroelectronics Mfg Part Number: ULN2803A Category: Tags: ,


A Darlington transistor is made up of two transistors in a single package. These are connected internally to have a much higher current gain than a standard transistor. To do this the two transistors share a common collector with the emitter of the first transistor is connected to the base of the second transistor. It can be thought of as using a switch to turn on a bigger switch.

In the ULN2803 there are 8 Darlington transistors with integrated suppression diodes and common emitters. Each Darlington transistor has a continuous load rating of 500mA and a maximum voltage of 50V. Each channel on the chip can be paralleled to increase current and each input is conveniently lined across from its output making wiring nice and simple. These are great for controlling clusters of solenoids, motors, high powered LEDs, or relays!



  • Peak Current: 600mA / Channel
  • Max Voltage: 50V
  • Continuous Current: 500mA / Channel
  • Integrated supression diodes




  Difficulty Level

Soldering Skill: N/A
Prototyping Skill: Beginner
Programming Skill: Beginner

  Product Certifications

  Product Attributes

Weight: 5 g

  Warranty Policy

This product has a 30 Day Warranty from the date of delivery. The item must not be modified, abused, incorrectly hooked up, or used for purposes outside the original scope of design.

  Return Policy

This product is returnable Within 14 Days of delivery for a store credit. Item must be unopened, unused, and in re-saleable condition.

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