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ULN3783M Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ULN3783M2143Yes

ULN3783M is a high-voltage, high-current Darlington transistor array manufactured by Allegro MicroSystems.

The ULN3783M is a high-voltage, high-current Darlington transistor array manufactured by Allegro MicroSystems.

Specifications:

  • Number of Channels: 8
  • Output Current per Channel: 500 mA (max)
  • Output Voltage: 50 V (max)
  • Input Voltage Compatibility: 5V TTL/CMOS
  • Input Resistance: 2.7 kΩ (per channel)
  • Package: 18-pin DIP (Dual In-line Package)
  • Operating Temperature Range: -20°C to +85°C

Descriptions:

  • The ULN3783M consists of eight NPN Darlington pairs with common emitters.
  • Each channel includes suppression diodes for inductive load protection.
  • Designed for interfacing between low-level logic and high-power loads.

Features:

  • High-Voltage Outputs: Suitable for driving relays, lamps, and solenoids.
  • Integrated Suppression Diodes: Protects against back EMF from inductive loads.
  • TTL/CMOS Compatible Inputs: Works with 5V logic levels.
  • High Current Capability: Can drive multiple loads simultaneously.
  • DIP Package: Easy to use in breadboard and PCB applications.

This device is commonly used in industrial control, automotive, and consumer electronics applications.

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