WSL08059L000FEA Equivalent & Substitute Parts

Part Overview

The WSL08059L000FEA is a 9 mOhms ±1% metal element chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. Designed for current sensing applications, this component features automotive AEC-Q200 qualification, moisture resistance, and pulse withstanding capability. The part is active in production with 1111 pieces in stock. Substitute parts may be required due to inventory constraints, application-specific power rating requirements, or supply chain optimization.

Substiute Parts

WSL08059L000FEA

Vishay DaleIn Stock: 1162WSL08059L000FEA Datasheet

Current PartRFQ

CRF0805-FZ-R009ELF

Bourns Inc.In Stock: 20920CRF0805-FZ-R009ELF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the WSL08059L000FEA is permissible with the CRF0805-FZ-R009ELF based on the following criteria:

Matching parameters across both parts:

• Resistance value: 9 mOhms
• Tolerance: ±1%
• Package: 0805 (2012 Metric)
• Composition: Metal Element
• Automotive qualification: AEC-Q200
• Moisture Sensitivity Level: MSL 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant
• Operating temperature maximum: 170°C

The substitute part exceeds the power rating requirement (0.5W vs. 0.125W), making it suitable for applications where the original part is unavailable while maintaining all critical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the WSL08059L000FEA and CRF0805-FZ-R009ELF are active production components with ROHS3 compliance and AEC-Q200 automotive qualification. The CRF0805-FZ-R009ELF substitute part maintains identical resistance, tolerance, and package specifications while providing enhanced power dissipation capability (0.5W vs. 0.125W). The substitute exhibits superior temperature coefficient performance (±50ppm/°C vs. ±75ppm/°C), which may provide improved stability in temperature-sensitive applications. Physical dimensions remain within acceptable tolerance for 0805 package footprints. Selection between these parts should be based on application power requirements and thermal management considerations.

Frequently Asked Questions (FAQ)

Q: Can the CRF0805-FZ-R009ELF replace the WSL08059L000FEA in all applications?

A: Yes, provided the application does not require the specific lower height profile of the original part. The substitute maintains all critical electrical parameters and certifications while offering higher power rating capability.

Q: What is the significance of the power rating difference?

A: The substitute part (0.5W) has a higher power dissipation rating than the original (0.125W). This provides additional thermal margin and is suitable for current sensing applications with higher power budgets. The higher rating does not negatively impact applications designed for the lower rating.

Q: Are there dimensional compatibility concerns?

A: Both parts conform to the 0805 (2012 Metric) package standard. The substitute has slightly smaller length and width dimensions (2.00mm x 1.25mm vs. 2.03mm x 1.27mm) but a greater seated height (0.80mm vs. 0.46mm). Verify clearance in space-constrained PCB layouts.

Q: Do both parts meet automotive requirements?

A: Yes. Both parts carry AEC-Q200 qualification, ROHS3 compliance, and MSL 1 moisture sensitivity rating, meeting automotive industry standards.

Q: What is the temperature coefficient impact?

A: The substitute part exhibits a tighter temperature coefficient (±50ppm/°C vs. ±75ppm/°C), indicating superior resistance stability across the operating temperature range. This is advantageous for precision current sensing circuits.