ULQ2003A The STMicroelectronics ULQ2003A is a 7-channel NPN Darlington transistor array designed for high-voltage, high-current applications. It features a 50V rating and 500mA current capability.
Mfr Part #:

ULQ2003A

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ULQ2003A is a 7-channel NPN Darlington transistor array designed for high-voltage, high-current applications. It features a 50V rating and 500mA current capability.
✓ Total Stock: 8,175 pcs
$ Price Range: $0.99

ULQ2003A Available from 1 distributor

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✓ Non-Authorised
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ULQ2003A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Mounting Type
Operating Temperature
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

ULQ2003A Description

Short technical summary and product information.

The STMicroelectronics ULQ2003A is a versatile 7-channel NPN Darlington transistor array. This component is designed for applications requiring high voltage and current switching capabilities, with a maximum operating voltage of 50V and a continuous current rating of 500mA per channel.

 

Key electrical characteristics include a high DC current gain (hFE) of 1000 at 350mA and 2V, and a Vce saturation voltage of 1.6V maximum at 500µA and 350mA. The device operates at junction temperatures up to 150°C.

 

Packaged in a standard 16-DIP format, the ULQ2003A is designed for through-hole mounting, making it suitable for various prototyping and production environments. Its Darlington configuration provides high gain, simplifying drive requirements for loads such as relays, solenoids, and incandescent lamps.

 

This transistor array is a reliable choice for applications needing to interface low-logic-level signals with higher power loads, offering robust performance and ease of integration into electronic circuits.

ULQ2003A Quick Information

Product Type: Transistor Array
Canonical Name: STMicroelectronics ULQ2003A Transistor Array
Subcategory: Transistor Arrays

ULQ2003A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ULQ2003A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

ULQ2003A Features

  • Seven NPN Darlington transistor channels.
  • 50V collector-emitter voltage rating.
  • 500mA continuous current per channel.
  • High DC current gain of 1000.
  • Through-hole 16-DIP package.

ULQ2003A Applications

  • Driving multiple relays in industrial control panels.
  • Switching stepper motor coils in automation systems.
  • Powering solenoid valves in hydraulic machinery.
  • Actuating contactor coils in electrical distribution boards.
  • Interface circuits for legacy microcontroller output expansion.

ULQ2003A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum operating voltage for the ULQ2003A?

The ULQ2003A has a maximum operating voltage of 50V.

What is the continuous current rating per channel for the ULQ2003A?

The ULQ2003A can handle a continuous current of 500mA per channel.

What is the DC current gain (hFE) of the ULQ2003A?

The minimum DC current gain (hFE) for the ULQ2003A is 1000 at 350mA and 2V.

What is the package type for the ULQ2003A?

The ULQ2003A is available in a 16-DIP package.

What is the operating temperature range for the ULQ2003A?

The ULQ2003A operates at junction temperatures up to 150°C.

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