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ULN2003A The ULN2003A is a 7-channel high-voltage, high-current Darlington array driver IC from Motorola Semiconductor. It features an open-collector output and is compatible with TTL and CMOS logic.
Mfr Part #:

ULN2003A

Available from 3 distributors
Mfr Name: Motorola Semicondutor
Motorola Semicondutor
The ULN2003A is a 7-channel high-voltage, high-current Darlington array driver IC from Motorola Semiconductor. It features an open-collector output and is compatible with TTL and CMOS logic.
✓ Total Stock: 289 pcs
$ Price Range: $0.99

ULN2003A Available from 3 distributors

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Speed Components Ltd ✓
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260 pcs
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260 pcs On Request 1 On Request On Request 9820 On Request On Request
DYNACO PRODUCTS ✓
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25 pcs
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25 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
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4 pcs
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4 pcs On Request 1 On Request On Request On Request On Request On Request
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ULN2003A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channels
Halogen Free
Input Voltage
Operating Temperature
Output Current
Output Voltage
Storage Temperature
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ULN2003A Description

Short technical summary and product information.

The ULN2003A is a versatile 7-channel Darlington array driver IC designed for high-voltage and high-current applications. Each channel consists of a high-voltage, high-current NPN Darlington pair with a series base resistor, making it directly compatible with TTL and 5V CMOS logic without requiring buffer circuits.

 

This IC can sink up to 500mA per channel and has a withstand voltage of 50V, providing robust solutions for interfacing with various loads. It includes clamp diodes for switching inductive loads, making it suitable for applications such as relay drivers, clamp drivers, stepper motor drivers, and solenoid drivers.

 

The ULN2003A is available in DIP-16 and SOP-16 packages, supporting both through-hole and surface-mount designs. Its wide operating voltage range and high output current capability make it a reliable choice for demanding interface applications.

 

Key electrical characteristics include a low saturation voltage and fast switching times. The device operates within a temperature range of -40°C to 85°C, ensuring reliable performance in various environmental conditions.

ULN2003A Quick Information

Product Type: Darlington Array Driver IC
Canonical Name: ULN2003A Darlington Array Driver IC
Subcategory: BJT Arrays

ULN2003A Compliance

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

ULN2003A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

ULN2003A Features

  • 7-channel Darlington array driver IC.
  • High output current up to 500mA.
  • High output voltage up to 50V.
  • Directly compatible with TTL and CMOS.
  • Includes clamp diodes for inductive loads.

ULN2003A Applications

  • Suitable for relay driver applications.
  • Used as a clamp driver.
  • Ideal for stepper motor drivers.
  • Applicable for solenoid valve drivers.
  • Can drive DC brushless motors.

ULN2003A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum output current for the ULN2003A?

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

What is the maximum output voltage of the ULN2003A?

The maximum output voltage for the ULN2003A is 50V.

What is the operating temperature range of the ULN2003A?

The operating temperature range for the ULN2003A is -40°C to 85°C.

What package types are available for the ULN2003A?

The ULN2003A is available in DIP-16 and SOP-16 package types.

What is the RoHS status of the ULN2003A?

The ULN2003A is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the ULN2003A?

The Moisture Sensitivity Level (MSL) for the ULN2003A is 1.

What is the REACH status for the ULN2003A?

The REACH status for the ULN2003A is Unaffected.

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