Transistor Array ULN2003A (3 Pack)
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Internal Reference: EC-151-N

Transistor array ULN2003A

Are you struggling to fit all of your transistors onto your circuit board, or to reduce the number of components in your circuit? This package will do just that! It is a transistor array, with one Vcc input and ground and 7 pins used to trigger each transistor and 7 pins for the output of the transistors. 

Please note that you still need to connect the current limiting resistors to the pins that are used to trigger the transistors.

Technical specifications:

Max output voltage


Max input voltage


Continuous collector current


Continuous base current


Trigger voltage


Below is a diagram that illustrates the pin layout of the IC:

Extra resources:

Datasheet for ULN2003A