WLBR025FE Equivalent & Substitute Parts

Part Overview

The WLBR025FE is a 25 mOhms ±1% 1W through-hole axial wirewound resistor manufactured by Ohmite. This current sense resistor features moisture-resistant construction and is designed for precision low-resistance applications requiring stable performance across operating conditions. The part maintains Active product status with 833 units in current inventory. Substitute parts are identified to provide alternative sourcing options while maintaining identical electrical and mechanical specifications.

Substiute Parts

WLBR025FE

OhmiteIn Stock: 916WLBR025FE Datasheet

Current PartRFQ

WLBR025FET

OhmiteIn Stock: 3846WLBR025FET Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the WLBR025FE are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution criteria are:

• Resistance value: 25 mOhms
• Tolerance: ±1%
• Power rating: 1W
• Composition: Wirewound
• Package: Axial
• Physical dimensions: 0.130" Dia x 0.276" L (3.30mm x 7.00mm)
• Temperature coefficient: ±300ppm/°C
• Features: Current Sense, Moisture Resistant
• Compliance: ROHS3 Compliant

Parts meeting all these parameters are classified as direct substitutes. Packaging format differences (such as Cut Tape versus standard packaging) do not affect electrical or mechanical compatibility and represent alternative distribution methods for the same component.

Parameter Comparison

Engineering Selection Recommendations

Both WLBR025FE and WLBR025FET are Active products from Ohmite's WL series and maintain full ROHS3 compliance. The parts are electrically and mechanically identical, with all critical parameters matching across resistance, tolerance, power rating, temperature coefficient, and physical dimensions.

The primary distinction between these parts is packaging format. WLBR025FE is supplied in standard packaging, while WLBR025FET is supplied in Cut Tape (CT) format. This difference reflects distribution method only and does not affect component performance or circuit compatibility.

Selection between these parts should be based on procurement requirements and inventory availability. WLBR025FET currently maintains higher inventory levels (3767 units versus 833 units), which may influence lead time and supply chain considerations.

Frequently Asked Questions (FAQ)

Q: Can WLBR025FET be used as a direct replacement for WLBR025FE?

A: Yes. Both parts are electrically and mechanically identical, meeting all specifications for 25 mOhms ±1% 1W wirewound axial resistors with current sense and moisture-resistant features.

Q: What is the difference between WLBR025FE and WLBR025FET?

A: The parts differ only in packaging format. WLBR025FE uses standard packaging, while WLBR025FET uses Cut Tape (CT) format. This is a distribution method difference with no impact on electrical performance or circuit compatibility.

Q: Are the physical dimensions identical?

A: Yes. Both parts measure 0.130" Dia x 0.276" L (3.30mm x 7.00mm) and use identical axial package construction with two terminations.

Q: Do both parts meet the same compliance standards?

A: Yes. Both WLBR025FE and WLBR025FET are ROHS3 compliant and maintain identical environmental and regulatory certifications.

Q: Which part should I select for new designs?

A: Either part is suitable for new designs. Selection should be based on packaging requirements and procurement availability. Cut Tape (CT) format may be preferred for automated assembly processes.