WSR2R5000FBA Equivalent & Substitute Parts

Part Overview

The WSR2R5000FBA is a 500 mOhms ±1% 2W chip resistor manufactured by Vishay Dale, designed for current sense and automotive applications. This metal element resistor features anti-sulfur coating, AEC-Q200 automotive qualification, and moisture resistance in a 4527 J-Lead package. The part is currently active in production with 917 units in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, supply chain considerations, or specific compliance requirements.

Substiute Parts

WSR2R5000FBA

Vishay DaleIn Stock: 940WSR2R5000FBA Datasheet

Current PartRFQ

WSR2R5000FEK

Vishay DaleIn Stock: 956WSR2R5000FEK Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WSR2R5000FBA is determined by strict equivalence across the following critical parameters:

• Resistance value: 500 mOhms
• Tolerance: ±1%
• Power rating: 2W
• Package type: 4527 J-Lead
• Composition: Metal Element
• Temperature coefficient: ±75ppm/°C
• Operating temperature range: -65°C ~ 275°C
• Automotive qualification: AEC-Q200
• Termination count: 2
• Physical dimensions: 0.455" L x 0.275" W (11.56mm x 6.98mm)
• Height - Seated (Max): 0.100" (2.54mm)

The WSR2R5000FEK meets all electrical and mechanical equivalence criteria and is classified as a direct substitute. Variations in RoHS compliance status do not affect functional substitutability but may impact application requirements based on end-use regulations.

Parameter Comparison

Engineering Selection Recommendations

Both WSR2R5000FBA and WSR2R5000FEK are active production parts with identical electrical and mechanical specifications. Selection between these parts should be based on compliance requirements specific to the application:

• WSR2R5000FBA: RoHS non-compliant. Suitable for applications without RoHS restrictions.
• WSR2R5000FEK: RoHS3 compliant and REACH unaffected. Required for applications subject to RoHS Directive 2011/65/EU or equivalent regional regulations.

Both parts maintain AEC-Q200 automotive qualification and are suitable for current sense applications in automotive environments. Inventory levels are comparable, with 917 units of WSR2R5000FBA and 904 units of WSR2R5000FEK available.

Frequently Asked Questions (FAQ)

Q: Can WSR2R5000FEK replace WSR2R5000FBA in all applications?

A: Yes, from an electrical and mechanical standpoint. The WSR2R5000FEK is electrically and mechanically identical. The primary difference is RoHS compliance status. Verify that your application permits RoHS3 compliant components before substitution.

Q: What is the significance of the RoHS compliance difference?

A: RoHS3 compliance (WSR2R5000FEK) is mandatory for products sold in the European Union and many other regions. If your application is subject to RoHS regulations, use WSR2R5000FEK. If not, either part is acceptable.

Q: Are the 4527 J-Lead packages identical between both parts?

A: Yes. Both parts use the same 4527 J-Lead package with identical dimensions: 0.455" L x 0.275" W (11.56mm x 6.98mm) and maximum seated height of 0.100" (2.54mm).

Q: Do both parts meet automotive standards?

A: Yes. Both WSR2R5000FBA and WSR2R5000FEK carry AEC-Q200 automotive qualification and are suitable for automotive current sense applications.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.