DistyParts Icon
ULN2003A The ST ULN2003A is a 7-channel Darlington array driver IC designed for high-voltage and high-current applications. It features an output voltage of up to 50V and a sink current of up to 500mA per channel.
Mfr Part #:

ULN2003A

Available from 3 distributors
Mfr Name: ST
ST
The ST ULN2003A is a 7-channel Darlington array driver IC designed for high-voltage and high-current applications. It features an output voltage of up to 50V and a sink current of up to 500mA per channel.
✓ Total Stock: 103,044 pcs
$ Price Range: $2.20

ULN2003A Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
100,000 pcs
On Request
100000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Smaxon Electronics ✓
Non-Authorised Inventory information
3,019 pcs
On Request
3019 pcs On Request 1 On Request On Request 1229+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
25 pcs
On Request
25 pcs On Request 1 On Request On Request On Request On Request On Request
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.

ULN2003A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Automotive Grade
Halogen Free
Industrial Grade
Input Voltage
Lead Spacing
Lead Style
Medical Grade
Military Grade
Mounting Type
Number of Channels
Operating Temperature
Output Current
Output Voltage
SVHC Present
Storage Temperature
Tape & Reel
View Similar Products (0)

ULN2003A Description

Short technical summary and product information.

The ULN2003A from ST is a high-voltage, high-current Darlington array driver IC. It comprises seven NPN Darlington pairs, each with an open-collector output and a 2.7kΩ series base resistor, making it compatible with TTL and 5V CMOS logic levels without requiring buffer circuits.

 

This device is capable of sinking up to 500mA per channel and can withstand an output voltage of up to 50V. It includes clamp diodes for switching inductive loads, providing a robust solution for various interface applications. The operating temperature range is -40°C to 85°C.

 

Common applications for the ULN2003A include relay drivers, clamp drivers, stepper motor drivers, and solenoid drivers. It is available in a SOP-16 package suitable for surface mounting.

ULN2003A Quick Information

Product Type: Darlington Array Driver IC
Series: ULN2003
Canonical Name: ULN2003A Darlington Array Driver IC
Subcategory: Interface

ULN2003A Compliance

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

ULN2003A Estimated Pricing

Qty Low High
1+ $2.20 $2.20

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

ULN2003A Features

  • Seven NPN Darlington pairs
  • Up to 50V output voltage
  • Up to 500mA sink current
  • TTL and CMOS compatible inputs
  • Includes clamp diodes for inductive loads

ULN2003A Applications

  • Used as a relay driver
  • Suitable for stepper motor drivers
  • Applicable for solenoid drivers
  • Can drive DC brushless motors
  • Interface for high-load current

ULN2003A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the ULN2003A?

The ULN2003A operates within a temperature range of -40 to 85 °C.

What is the maximum output current per channel for the ULN2003A?

The maximum output current per channel for the ULN2003A is 500 mA.

What is the input voltage range for the ULN2003A?

The input voltage range for the ULN2003A is -0.5 to 30 V.

What is the output voltage range for the ULN2003A?

The output voltage range for the ULN2003A is -0.5 to 50 V.

How many channels does the ULN2003A have?

The ULN2003A has 7 channels.

What is the typical turn-on delay of the ULN2003A?

The typical turn-on delay for the ULN2003A is 1.0 µs.

What is the package type of the ULN2003A?

The ULN2003A is available in a SOP-16 package.

Home
Account

Categories