ULN2003AIPW Equivalent & Substitute Parts

Part Overview

The ULN2003AIPW is a Power Switch/Driver integrated circuit manufactured by Texas Instruments, designed for relay and solenoid driving applications. This device features seven Darlington output stages with a 1:1 input-to-output ratio, capable of switching loads up to 50V at 500mA per channel. The ULN2003AIPW is currently in Last Time Buy status, making identification of functionally equivalent alternatives essential for ongoing design support and procurement planning.

Substiute Parts

ULN2003AIPW

Texas InstrumentsIn Stock: 6350ULN2003AIPW Datasheet

Current PartRFQ

ULN2003AIPWR

Texas InstrumentsIn Stock: 35133ULN2003AIPWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ULN2003AIPW is determined by strict equivalence across the following critical parameters:

• Output Stage Configuration: Seven Darlington outputs with 1:1 input-to-output ratio
• Electrical Performance: 50V maximum load voltage, 500mA maximum output current per channel
• Interface Type: Parallel inverting input
• Package Specification: 16-TSSOP surface mount package with identical physical dimensions
• Thermal Range: -40°C to 105°C operating temperature
• Compliance Standards: ROHS3 compliance, MSL Level 1

The ULN2003AIPWR qualifies as a direct substitute based on identical electrical specifications, package geometry, and thermal characteristics. The primary distinction is packaging format (Cut Tape & Digi-Reel versus Tube) and product status (Active versus Last Time Buy).

Parameter Comparison

Engineering Selection Recommendations

The ULN2003AIPWR is a direct functional equivalent to the ULN2003AIPW. Both devices are manufactured by Texas Instruments within the same ULx200xA series and maintain identical electrical specifications, thermal performance, and compliance certifications. The ULN2003AIPWR holds Active product status, providing long-term availability and supply continuity compared to the Last Time Buy status of the ULN2003AIPW. Both parts meet ROHS3 compliance requirements and carry MSL Level 1 classification. Selection between these parts should be based on packaging requirements and procurement timeline considerations.

Frequently Asked Questions (FAQ)

Q: Can the ULN2003AIPWR be used as a direct replacement for the ULN2003AIPW in existing designs?

A: Yes. Both parts are electrically and mechanically identical. They share the same 16-TSSOP package geometry, pin configuration, electrical ratings, and thermal specifications. No circuit modifications are required.

Q: What is the difference between the ULN2003AIPW and ULN2003AIPWR?

A: The primary differences are packaging format and product lifecycle status. The ULN2003AIPW is supplied in Tube packaging and is in Last Time Buy status. The ULN2003AIPWR is supplied in Cut Tape and Digi-Reel formats and maintains Active product status with ongoing availability.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts are ROHS3 compliant, carry identical MSL Level 1 ratings, and meet the same regulatory standards (REACH Unaffected, ECCN EAR99, HTSUS 8541.29.0095).

Q: What are the critical parameters that define substitution eligibility for the ULN2003AIPW?

A: Substitution is determined by matching the seven-channel Darlington output configuration, 1:1 input-to-output ratio, 50V maximum load voltage, 500mA maximum output current, inverting parallel interface, 16-TSSOP package geometry, and -40°C to 105°C operating temperature range.

Q: Can parts from other manufacturers substitute for the ULN2003AIPW?

A: Substitution from other manufacturers requires verification that all electrical parameters, package specifications, and thermal characteristics match exactly. The provided substitute list includes only Texas Instruments parts meeting these criteria.