Würth Elektronik 744053005 Equivalent & Substitute Parts

Part Overview

The Würth Elektronik 744053005 is a 5.3 µH shielded drum core wirewound inductor rated for 2.3 A continuous current with a maximum DC resistance of 40 mOhm. This surface mount component operates across the industrial temperature range of -40°C to 125°C and is housed in a 2323 (5858 Metric) package. The part is currently active in production and maintains full RoHS3 compliance. Substitute parts are identified when equivalent electrical and mechanical specifications are required for design flexibility, supply chain alternatives, or inventory management.

Substiute Parts

744053005

Würth ElektronikIn Stock: 1332744053005 Datasheet

Current PartRFQ

SRR5028-5R3Y

Bourns Inc.In Stock: 1586SRR5028-5R3Y Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Würth Elektronik 744053005 is determined by strict equivalence across the following critical parameters:

• Inductance Value: 5.3 µH at 100 kHz test frequency
• Inductance Tolerance: ±30%
• Current Rating: 2.3 A minimum continuous current capability
• Saturation Current: 1.9 A minimum
• DC Resistance: 40 mOhm maximum
• Core Type: Ferrite drum core, wirewound construction
• Shielding: Shielded configuration required
• Self Resonant Frequency: 45 MHz
• Operating Temperature: -40°C to 125°C
• Mounting: Surface mount technology
• Physical Footprint: 5.80 mm × 5.80 mm × 3.00 mm maximum height

The Bourns Inc. SRR5028-5R3Y meets all electrical and mechanical requirements for direct substitution. Both parts maintain identical inductance, current ratings, saturation characteristics, and thermal operating ranges. Physical dimensions and mounting compatibility are equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the Würth Elektronik 744053005 and Bourns Inc. SRR5028-5R3Y are active production components with full RoHS3 compliance and REACH unaffected status. Selection between these parts is based on availability, supply chain considerations, and procurement requirements rather than electrical or mechanical performance differences.

The Würth Elektronik 744053005 is packaged in the standard 2323 (5858 Metric) case designation. The Bourns Inc. SRR5028-5R3Y is designated as a nonstandard package but maintains identical physical dimensions and mounting compatibility. Both components satisfy industrial temperature requirements and moisture sensitivity specifications for standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the Bourns SRR5028-5R3Y be used as a direct replacement for the Würth Elektronik 744053005?

A: Yes. Both inductors provide identical electrical performance across all specified parameters including inductance value, current rating, saturation characteristics, and DC resistance. Physical dimensions and surface mount compatibility are equivalent, enabling direct substitution in PCB layouts.

Q: Are there differences in the package designations between these parts?

A: The Würth Elektronik 744053005 uses the standard 2323 (5858 Metric) package designation. The Bourns SRR5028-5R3Y is classified as a nonstandard package but maintains the same physical footprint of 5.80 mm × 5.80 mm with a maximum seated height of 3.00 mm. Both are compatible with identical PCB land patterns.

Q: Do both parts meet the same compliance and regulatory requirements?

A: Yes. Both the Würth Elektronik 744053005 and Bourns SRR5028-5R3Y are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Both maintain MSL 1 (Unlimited) moisture sensitivity ratings, suitable for standard reflow soldering processes.

Q: What is the inductance tolerance for these parts?

A: Both inductors carry an inductance tolerance of ±30% at the 100 kHz test frequency. This tolerance must be considered in circuit design calculations and filtering applications.

Q: Are these inductors suitable for high-frequency applications?

A: Both inductors have a self-resonant frequency of 45 MHz, which defines the upper frequency limit for inductive behavior. Applications above this frequency will exhibit capacitive characteristics. The 100 kHz inductance test frequency is well within the inductive operating range.