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ST ULN2803A Octal Darlington Driver

Order Code:  

82-0668

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A high current Darlington array containing eight open collector Darlington pairs with common emitters. Suppression diodes are included for inductive load driving and the inputs are pinned opposite the outputs to simplify board layout.

Useful for driving a wide range of loads including solenoids, relays DC motors, LED displays, filament lamps, thermal print heads and high power buffers.


  • Darlington transistor array
  • 8x Drivers
  • CMOS
  • TTL Input compatibility
  • 500mA Peak output current
  • 50V Output voltage
  • 50V Switching voltage
  • 0.25us Delay time
  • Working temperature -20°C to +85°C
  • DIL-18 Case

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Delay Time 0.25
Drivers Per Package 8
Height 3.93mm
Input Compatibility CMOS, TTL
Length 23.24mm
Operating Temperature Range -20 to +85°C
Type Darlington
Package/Case 18-DIP
Width 7.1mm

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