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ULN2004 The Texas Instruments ULN2004A is a 7-channel Darlington transistor array designed for high-voltage, high-current applications. It features 50V outputs and 500mA current capability per channel.
Mfr Part #:

ULN2004

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments ULN2004A is a 7-channel Darlington transistor array designed for high-voltage, high-current applications. It features 50V outputs and 500mA current capability per channel.
✓ Total Stock: 207,816 pcs
$ Price Range: $2.01

ULN2004 Available from 1 distributor

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✓ Non-Authorised
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Romaks Technologies ✓
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207,816 pcs
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207816 pcs On Request 1 On Request On Request On Request On Request On Request
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ULN2004 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Delay Time
Mounting Type
Operating Temperature Range
SVHC Present
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ULN2004 Description

Short technical summary and product information.

The Texas Instruments ULN2004A is a versatile 7-channel Darlington transistor array. Each channel is rated for a 50V switching voltage and can handle a peak output current of 0.5A (500mA per channel).

 

This array is suitable for driving inductive loads due to its integrated output clamp diodes. The inputs are compatible with CMOS logic, and the device operates within a temperature range of -40°C to 70°C.

 

Available in multiple package types including SOIC, PDIP, SOT-23-THN, and SOP, the ULN2004A is designed for surface mount or through-hole applications. Its high-voltage and high-current capabilities make it ideal for applications such as relay drivers, hammer drivers, and lamp drivers.

ULN2004 Quick Information

Product Type: Darlington Transistor Array
Canonical Name: ULN2004A 7-Channel Darlington Transistor Array
Subcategory: Darlington Transistor Array

ULN2004 Compliance

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

ULN2004 Estimated Pricing

Qty Low High
1+ $2.01 $2.01

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

ULN2004 Features

  • 7-channel Darlington transistor array
  • 50V switching voltage capability
  • 500mA output current per channel
  • CMOS input compatibility
  • Includes output clamp diodes

ULN2004 Applications

  • Ideal for relay driver applications
  • Suitable for hammer driver circuits
  • Used in lamp driver designs
  • Applicable for LED display drivers
  • Functions as a logic buffer

ULN2004 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum operating voltage of ULN2004?

The maximum switching voltage and output voltage are both 50V.

What package options are available for ULN2004?

The ULN2004 is available in SOIC (D), PDIP (N), SOT-23-THN (DYY), and SOP (NS) packages.

What is the operating temperature range of ULN2004?

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

How many drivers does the ULN2004 contain?

The ULN2004 contains 7 drivers per package.

What is the input logic compatibility of ULN2004?

The input is compatible with CMOS logic.

What is the typical delay time of ULN2004?

The typical delay time is 250ns.

What is the peak output current per channel?

The peak output current is 0.5A per channel, with a maximum continuous output current of 500mA per channel.

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