WSLS2512R0100FGEA Equivalent & Substitute Parts

Part Overview

The WSLS2512R0100FGEA is a 10 mOhms ±1% 1W chip resistor in 2512 (6432 Metric) package manufactured by Vishay Dale. This metal element current sense resistor is designed for automotive applications with AEC-Q200 qualification, anti-sulfur coating, moisture resistance, and pulse withstanding capability. The part is active in production with 973 pieces currently in stock. Substitute parts are identified to address inventory availability, packaging format requirements, or supply chain alternatives while maintaining full electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	10 mOhms
Tolerance	±1%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Metal Element
Temperature Coefficient	±75ppm/°C
Operating Temperature Range	-65°C ~ 170°C
Automotive Rating	AEC-Q200
Size / Dimension	0.250" L x 0.125" W (6.35mm x 3.18mm)
Height - Seated (Max)	0.035" (0.89mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the WSLS2512R0100FGEA are qualified based on the following criteria:

Identical resistance value: 10 mOhms
Identical tolerance: ±1%
Identical power rating: 1W
Identical package: 2512 (6432 Metric)
Identical composition: Metal Element
Identical temperature coefficient: ±75ppm/°C
Identical operating temperature range: -65°C ~ 170°C
Identical automotive qualification: AEC-Q200
Identical physical dimensions and height
Identical RoHS and MSL compliance

The identified substitutes differ only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and series designation (WSL versus WSLS), which do not affect electrical performance or mechanical fit in the application.

Parameter Comparison

Parameter	WSLS2512R0100FGEA	WSL2512R0100FEA	WSLS2512R0100FHEB
Manufacturer	Vishay Dale	Vishay Dale	Vishay Dale
Resistance	10 mOhms	10 mOhms	10 mOhms
Tolerance	±1%	±1%	±1%
Power (Watts)	1W	1W	1W
Package / Case	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)
Composition	Metal Element	Metal Element	Metal Element
Temperature Coefficient	±75ppm/°C	±75ppm/°C	±75ppm/°C
Operating Temperature	-65°C ~ 170°C	-65°C ~ 170°C	-65°C ~ 170°C
AEC-Q200 Rating	Yes	Yes	Yes
Size / Dimension	0.250" L x 0.125" W (6.35mm x 3.18mm)	0.250" L x 0.125" W (6.35mm x 3.18mm)	0.250" L x 0.125" W (6.35mm x 3.18mm)
Height - Seated (Max)	0.035" (0.89mm)	0.035" (0.89mm)	0.035" (0.89mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging Format	Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
Inventory Status	973 Pcs	98560 Pcs	3865 Pcs

Engineering Selection Recommendations

All three parts are active products manufactured by Vishay Dale with identical electrical specifications and AEC-Q200 automotive qualification. Selection between WSLS2512R0100FGEA, WSL2512R0100FEA, and WSLS2512R0100FHEB should be based on packaging format requirements and inventory availability:

WSL2512R0100FEA offers the highest inventory availability (98560 pieces) and supports both Cut Tape and Digi-Reel® packaging formats, making it suitable for high-volume production or immediate availability needs.
WSLS2512R0100FHEB is packaged in Tape & Reel format, appropriate for automated assembly processes requiring continuous reel feeding.
WSLS2512R0100FGEA maintains the original specification with Digi-Reel® packaging.

All parts maintain ROHS3 compliance, MSL Level 1 rating, and identical thermal and electrical performance across the -65°C to 170°C operating range.

Frequently Asked Questions (FAQ)

Q: Can WSL2512R0100FEA be used as a direct replacement for WSLS2512R0100FGEA?

A: Yes. Both parts have identical electrical specifications (10 mOhms ±1%, 1W), identical package dimensions (2512/6432 Metric), and identical AEC-Q200 automotive qualification. The difference in series designation (WSL versus WSLS) does not affect performance or compatibility. Packaging format differences (Cut Tape & Digi-Reel® versus Digi-Reel®) do not impact circuit performance.

Q: What is the difference between Digi-Reel® and Tape & Reel packaging?

A: Digi-Reel® is a smaller packaging format suitable for lower-volume or mixed-component orders. Tape & Reel (TR) is a continuous reel format optimized for high-speed automated assembly equipment. Both formats contain identical components with the same electrical and mechanical specifications.

Q: Are all three parts suitable for automotive applications?

A: Yes. All three parts carry AEC-Q200 qualification, anti-sulfur coating, and moisture resistance (MSL Level 1), meeting automotive reliability standards.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes, provided the assembly process accommodates the packaging format. All three parts have identical 2512 (6432 Metric) package dimensions and can be placed in the same PCB footprint. Verify that your assembly equipment supports the selected packaging format (Cut Tape, Digi-Reel®, or Tape & Reel).

Q: What is the temperature coefficient significance for these resistors?

A: The ±75ppm/°C temperature coefficient indicates that resistance will vary by approximately 0.0075% per degree Celsius change. This specification is identical across all three parts and is suitable for current sense applications across the -65°C to 170°C operating range.

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