WSL2010R1200FTB Equivalent & Substitute Parts

Part Overview

The WSL2010R1200FTB is a 120 mOhms ±1% metal element chip resistor manufactured by Vishay Dale in the 2010 (5025 Metric) package. Designed for current sensing applications, this component features automotive AEC-Q200 qualification, moisture resistance, and pulse withstanding capability. The part is currently active in production with 765 units in stock. Substitute parts may be required due to inventory constraints, regional availability, or specific compliance requirements for end applications.

Key Parameters

Parameter	Value
Resistance	120 mOhms
Tolerance	±1%
Power Rating	0.5W, 1/2W
Package	2010 (5025 Metric)
Composition	Metal Element
Temperature Coefficient	±75ppm/°C
Operating Temperature Range	-65°C ~ 170°C
Automotive Rating	AEC-Q200
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the WSL2010R1200FTB is determined by strict equivalence across the following critical parameters:

Resistance value: 120 mOhms
Tolerance: ±1%
Power rating: 0.5W, 1/2W
Package type: 2010 (5025 Metric)
Composition: Metal Element
Temperature coefficient: ±75ppm/°C
Operating temperature range: -65°C ~ 170°C
Automotive qualification: AEC-Q200
Moisture sensitivity level: 1 (Unlimited)
Termination count: 2

The WSL2010R1200FEB meets all substitution criteria and is classified as a direct equivalent.

Parameter Comparison

Parameter	WSL2010R1200FTB	WSL2010R1200FEB
Manufacturer	Vishay Dale	Vishay Dale
Series	WSL	WSL
Resistance	120 mOhms	120 mOhms
Tolerance	±1%	±1%
Power Rating	0.5W, 1/2W	0.5W, 1/2W
Package	2010 (5025 Metric)	2010 (5025 Metric)
Composition	Metal Element	Metal Element
Temperature Coefficient	±75ppm/°C	±75ppm/°C
Operating Temperature	-65°C ~ 170°C	-65°C ~ 170°C
AEC-Q200 Rating	Yes	Yes
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
Number of Terminations	2	2
Size / Dimension	0.200" L x 0.100" W (5.08mm x 2.54mm)	0.200" L x 0.100" W (5.08mm x 2.54mm)
Height - Seated (Max)	0.035" (0.89mm)	0.035" (0.89mm)
Product Status	Active	Active
Inventory	765 Pcs	2548 Pcs

Engineering Selection Recommendations

Both the WSL2010R1200FTB and WSL2010R1200FEB are active production parts from Vishay Dale with identical electrical and mechanical specifications. The WSL2010R1200FEB offers higher inventory availability (2548 units versus 765 units) and carries ROHS3 compliance status, whereas the WSL2010R1200FTB is RoHS non-compliant. Selection between these parts should be based on application compliance requirements and supply chain considerations. Both parts maintain AEC-Q200 automotive qualification and are suitable for current sensing applications across the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can WSL2010R1200FEB be used as a direct replacement for WSL2010R1200FTB?

A: Yes. Both parts share identical resistance, tolerance, power rating, package type, temperature coefficient, and operating temperature range. They are mechanically and electrically interchangeable.

Q: Are there differences in RoHS compliance between these parts?

A: Yes. The WSL2010R1200FEB is ROHS3 compliant, while the WSL2010R1200FTB is RoHS non-compliant. Applications requiring RoHS compliance must use the WSL2010R1200FEB.

Q: Do both parts meet automotive standards?

A: Yes. Both the WSL2010R1200FTB and WSL2010R1200FEB carry AEC-Q200 automotive qualification.

Q: Is the 2010 package compatible with standard PCB layouts?

A: Yes. Both parts use the 2010 (5025 Metric) package with identical dimensions (0.200" L x 0.100" W, 5.08mm x 2.54mm) and maximum seated height of 0.035" (0.89mm).

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

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions.

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