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ULN2803A - Darlington Transistor Array

Description

The ULN2803A device is a 50 V, 500 mA Darlington transistor array.

The device consists of eight NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.

The collector-current rating of each Darlington pair is 500 mA.

Features

  • 1 500-mA-Rated Collector Current (Single Output).
  • High-Voltage Outputs: 50 V.
  • Output Clamp Diodes.
  • Inputs Compatible With Various Types of Logic 2.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community ULN2803A SLRS049H – FEBRUARY 1997 – REVISED FEBRUARY 2017 ULN2803A Darlington Transistor Arrays 1 Features •1 500-mA-Rated Collector Current (Single Output) • High-Voltage Outputs: 50 V • Output Clamp Diodes • Inputs Compatible With Various Types of Logic 2 Applications • Relay Drivers • Hammer Drivers • Lamp Drivers • Display Drivers (LED and Gas Discharge) • Line Drivers • Logic Buffers • Stepper Motors • IP Camera • HVAC Valve and LED Dot Matrix 3 Description The ULN2803A device is a 50 V, 500 mA Darlington transistor array. The device consists of eight NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
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