High-Voltage,High-Current Darlington Arrays
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ULN2803 DIP chip contains 8 drivers that can sink 500mA from a 50V supply and has kickback diodes included inside for driving coils. This will let your little microcontroller or microcomputer power solenoids, DC motors (in one direction) and unipolar stepper motors.
This is an 'open collector' driver - it can only be used to connect the load to ground and there will be a 1 Volt (or more) 'drop' across the internal transistors. The inputs can be driven by 3.3V or 5V logic. Fits in any breadboard or perfboard.
|Collector Current-Max (IC):||0.5 A|
|Collector-emitter Voltage-Max:||50 V|
|Configuration:||8 banks, darlington with built-indiode &resistors|
|DC Current Gain-Min (hFE):||1000|
|Number of Elements:||8|
|Number of Terminals:||18|
|Additional Feature:||LOGIC LEVEL COMPATIBLE|