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ULN2066B Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ULN2066BST345Yes

ULN2066B is a high-voltage, high-current Darlington transistor array manufactured by Sprague.

The ULN2066B is a high-voltage, high-current Darlington transistor array manufactured by Sprague. Here are its key specifications, descriptions, and features:

Specifications:

  • Configuration: Quad Darlington (4 channels)
  • Output Current (per channel): 1.5A (peak)
  • Output Voltage (Max): 50V
  • Input Voltage (Max): 30V
  • Input Current (per channel): 3mA (typical)
  • Saturation Voltage (Max): 1.6V at 500mA
  • Power Dissipation (Total): 4W
  • Operating Temperature Range: -20°C to +85°C

Descriptions:

  • The ULN2066B is designed for driving high-current loads such as relays, solenoids, lamps, and stepper motors.
  • It includes built-in suppression diodes for inductive load protection.
  • The device is compatible with TTL, DTL, PMOS, and CMOS logic levels.

Features:

  • High-Voltage Outputs: Up to 50V
  • High-Current Capability: 1.5A per channel
  • Integrated Clamp Diodes: For inductive transient suppression
  • Input Pins Matched to Logic Families: Simplifies interfacing
  • Wide Operating Temperature Range: Suitable for industrial applications

The ULN2066B is housed in a 16-pin DIP (Dual In-line Package).

(Note: Always refer to the official datasheet for precise details.)

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