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ULN2003AD The Texas Instruments ULN2003AD is a 7-channel NPN Darlington array designed for driving relays, solenoids, and other high-current loads. It features a 500mA current capability per channel.
Mfr Part #:

ULN2003AD

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments ULN2003AD is a 7-channel NPN Darlington array designed for driving relays, solenoids, and other high-current loads. It features a 500mA current capability per channel.
✓ Total Stock: 5,553 pcs
$ Price Range: $0.32

ULN2003AD Available from 5 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ULN2003AD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Type
Interface
Lead Spacing
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Ratio
Supplier Device Package
Switch Type
Voltage
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ULN2003AD Description

Short technical summary and product information.

The ULN2003AD from Texas Instruments is a high-voltage, high-current Darlington array integrated circuit. It consists of seven NPN Darlington pairs, each capable of handling up to 500mA.

 

This device is designed for driving loads such as relays, solenoids, incandescent lamps, and small DC and stepper motors. The inputs are inverting, and each output is low-side switched. The operating temperature range is -40°C to 70°C (TA).

 

The ULN2003AD is available in a 16-SOIC package, suitable for surface mounting. Its robust design makes it a reliable choice for various power driving applications in industrial and consumer electronics.

 

Key electrical characteristics include 7 NPN outputs, a 500mA current rating per channel, and an inverting input configuration. The device is designed for ease of use in applications requiring multiple low-side switches.

ULN2003AD Quick Information

Product Type: Darlington Array
Canonical Name: ULN2003AD 7-Channel NPN Darlington Array
Subcategory: Power Distribution Switches, Load Drivers

ULN2003AD Compliance

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

ULN2003AD Estimated Pricing

Qty Low High
1+ $0.32 $0.32

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

ULN2003AD Features

  • Seven NPN Darlington outputs.
  • 500mA current capability per channel.
  • Suitable for relay and solenoid driving.
  • Surface mount 16-SOIC package.
  • Operating temperature -40°C to 70°C.

ULN2003AD Applications

  • Drives relays and solenoids.
  • Controls high-current loads.
  • Suitable for stepper motor drivers.
  • Used in industrial automation.
  • Ideal for lamp and LED drivers.

ULN2003AD FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the ULN2003AD?

The ULN2003AD is available in a 16-SOIC surface-mount package with a width of 3.90mm.

What is the operating temperature range of the ULN2003AD?

The operating temperature range is -40°C to 70°C.

How many output channels does the ULN2003AD have?

The ULN2003AD has 7 output channels.

What is the output current rating per channel?

Each channel can sink up to 500mA.

What type of output does the ULN2003AD provide?

The outputs are NPN Darlington transistors with a low-side configuration.

What is the input logic of the ULN2003AD?

The inputs are inverting.

What loads can the ULN2003AD drive?

It is designed for driving relays and solenoids.

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