ULN2803A - Relay Driver - Darlington Arrays

ULN2803A - Relay Driver - Darlington Arrays
ULN2803A - Relay Driver - Darlington Arrays
ULN2803A - Relay Driver - Darlington Arrays
ULN2803A - Relay Driver - Darlington Arrays

Cyber City Circuits

$1.25 
SKU: 9020

The ULN2803A is one of those things that is a maker's arsenal of parts.  It's a very robust integrated circuit (IC) that is used to connect your circuit to a relay.  It comes in a 18 Pin Dual In-Line Package (DIP) that makes it suitable for use on a breadboard as well.

Datasheet