WSHM28186L800FEB Equivalent & Substitute Parts

Part Overview

The WSHM28186L800FEB is a 6.8 mOhms ±1% 7W chip resistor manufactured by Vishay Dale, designed for current sensing applications in automotive environments. This metal element resistor meets AEC-Q200 automotive qualification standards and features moisture resistance and pulse withstanding capabilities. The part is currently active in production with 1117 pieces available in inventory. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility for direct board-level replacement.

Substiute Parts

WSHM28186L800FEB

Vishay DaleIn Stock: 1156WSHM28186L800FEB Datasheet

Current PartRFQ

WSHM28186L800FEA

Vishay DaleIn Stock: 7726WSHM28186L800FEA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WSHM28186L800FEB is determined by strict equivalence across the following critical parameters:

• Resistance value: 6.8 mOhms
• Tolerance: ±1%
• Power rating: 7W
• Composition: Metal Element
• Temperature coefficient: ±75 ppm/°C
• Operating temperature range: -65°C to 170°C
• Package designation: 2818 Nonstandard
• Physical dimensions: 0.280" L × 0.181" W (7.10mm × 4.60mm)
• Height (seated): 0.069" (1.75mm)
• Termination count: 2
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3
• Moisture sensitivity: MSL 1

The identified substitute part maintains identical electrical specifications and mechanical form factor, ensuring direct interchangeability at the board assembly level without design modification or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

Both the WSHM28186L800FEB and WSHM28186L800FEA are active production parts manufactured by Vishay Dale within the WSHM2818 series. Both parts carry identical electrical and mechanical specifications, AEC-Q200 automotive qualification, and ROHS3 compliance. Selection between these parts may be based on inventory availability and supply chain considerations. The WSHM28186L800FEA currently maintains higher inventory levels at 7701 pieces compared to 1117 pieces for the WSHM28186L800FEB, which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can WSHM28186L800FEA be used as a direct replacement for WSHM28186L800FEB?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including resistance, tolerance, power rating, temperature characteristics, package dimensions, and automotive qualification. Direct substitution is supported without circuit modification.

Q: Are there any differences in the 2818 package between these parts?

A: No. Both parts utilize the identical 2818 nonstandard package with matching physical dimensions (0.280" L × 0.181" W, 7.10mm × 4.60mm) and seated height (0.069", 1.75mm maximum). PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both WSHM28186L800FEB and WSHM28186L800FEA carry AEC-Q200 automotive qualification and are ROHS3 compliant with MSL 1 moisture sensitivity rating.

Q: What is the significance of the part number suffix difference (FEB vs FEA)?

A: The suffix variation indicates different manufacturing batches or revisions within the same product line. Both suffixes represent active production parts with identical electrical and mechanical specifications.

Q: Are these parts suitable for current sensing applications?

A: Yes. Both parts are specifically designed for current sensing applications, featuring metal element composition with low resistance values (6.8 mOhms) and pulse withstanding capability.