Equivalent & Substitute Parts for WHB2R0FE

Part Overview

The WHB2R0FE is a 2 Ohm ±1% 1W axial wirewound through-hole resistor manufactured by Ohmite. This component is classified as Active product status with 799 units in current inventory. Equivalent and substitute parts are identified when identical electrical specifications and compatible mechanical parameters are required for circuit design flexibility, supply chain alternatives, or packaging preferences.

Key Parameters

Parameter	Value
Resistance	2 Ohms
Tolerance	±1%
Power Rating	1W
Composition	Wirewound
Package Type	Axial
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the WHB2R0FE are qualified based on the following criteria:

Resistance value: 2 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 1W (exact match required)
Composition: Wirewound (exact match required)
Package: Axial through-hole (exact match required)
Temperature coefficient: ±50ppm/°C (exact match required)
Operating temperature range: Minimum -55°C, maximum ≥150°C
RoHS compliance: ROHS3 or equivalent regulatory compliance

Three substitute parts meet these criteria: 41F2R0E (Ohmite), ALSR012R000FE12 (Vishay Dale), and RS01A2R000FE70 (Vishay Dale).

Parameter Comparison

Parameter	WHB2R0FE	41F2R0E	ALSR012R000FE12	RS01A2R000FE70
Manufacturer	Ohmite	Ohmite	Vishay Dale	Vishay Dale
Resistance	2 Ohms	2 Ohms	2 Ohms	2 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	1W	1W	1W	1W
Composition	Wirewound	Wirewound	Wirewound	Wirewound
Temperature Coefficient	±50ppm/°C	±50ppm/°C	±50ppm/°C	±50ppm/°C
Operating Temperature Range	-55°C ~ 150°C	-55°C ~ 275°C	-65°C ~ 250°C	-65°C ~ 250°C
Package	Axial	Axial	Axial	Axial
Size / Dimension	0.130" Dia x 0.276" L (3.30mm x 7.00mm)	0.126" Dia x 0.437" L (3.20mm x 11.10mm)	0.110" Dia x 0.406" L (2.79mm x 10.31mm)	0.094" Dia x 0.406" L (2.39mm x 10.31mm)
RoHS Status	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	Bulk	Bulk	Bulk	Cut Tape (CT)
Inventory	799 Pcs	1015 Pcs	841 Pcs	2877 Pcs

Engineering Selection Recommendations

All three substitute parts maintain identical electrical specifications (2 Ohms, ±1%, 1W, ±50ppm/°C) and are qualified for direct substitution in circuits designed for the WHB2R0FE.

41F2R0E (Ohmite) extends the operating temperature range to 275°C, providing enhanced thermal performance while maintaining the same manufacturer series lineage. RoHS compliance is confirmed.

ALSR012R000FE12 (Vishay Dale) includes moisture-resistant construction and extends the operating temperature range to 250°C. ROHS3 compliance and REACH compliance status are confirmed. Physical dimensions are reduced compared to the main part.

RS01A2R000FE70 (Vishay Dale) includes moisture-resistant construction with the highest inventory availability (2877 units) and is supplied in Cut Tape packaging. Operating temperature range extends to 250°C. ROHS3 compliance and REACH compliance are confirmed. Physical dimensions are the most compact of all options.

Selection should be based on packaging requirements, inventory availability, thermal performance needs, and physical space constraints within the application.

Frequently Asked Questions (FAQ)

Q: Can 41F2R0E be used as a direct replacement for WHB2R0FE?

A: Yes. Both parts share identical electrical specifications (2 Ohms, ±1%, 1W, ±50ppm/°C) and axial wirewound construction. The 41F2R0E operates across a wider temperature range (-55°C to 275°C versus -55°C to 150°C) and is RoHS compliant.

Q: What is the difference between ALSR012R000FE12 and RS01A2R000FE70?

A: Both are Vishay Dale axial wirewound resistors with identical electrical specifications and moisture-resistant construction. The primary differences are physical dimensions (ALSR012R000FE12: 0.110" Dia x 0.406" L; RS01A2R000FE70: 0.094" Dia x 0.406" L) and packaging format (ALSR012R000FE12 supplied in Bulk; RS01A2R000FE70 supplied in Cut Tape).

Q: Are physical dimension differences significant for substitution?

A: Physical dimensions vary across substitute parts. The WHB2R0FE measures 0.130" Dia x 0.276" L, while substitutes range from 0.094" to 0.126" in diameter and 0.406" to 0.437" in length. Verify PCB layout and component spacing before selection.

Q: Do all substitute parts meet RoHS requirements?

A: Yes. WHB2R0FE is ROHS3 compliant. 41F2R0E is RoHS compliant. ALSR012R000FE12 and RS01A2R000FE70 are both ROHS3 compliant.

Q: Which substitute has the best inventory availability?

A: RS01A2R000FE70 has the highest inventory with 2877 units in stock, supplied in Cut Tape packaging.

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