WHB100FE Equivalent & Substitute Parts

Part Overview

The WHB100FE is a 100 Ohm ±1% 1W axial wirewound through-hole resistor manufactured by Ohmite. This component is classified as Active product status with full ROHS3 compliance and REACH unaffected certification. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter range for this resistor category.

Key Parameters

Parameter	Value
Resistance	100 Ohms
Tolerance	±1%
Power Rating	1W
Composition	Wirewound
Package Type	Axial
Temperature Coefficient	±20ppm/°C
Operating Temperature Range	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the WHB100FE are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 100 Ohms
Tolerance: ±1%
Power rating: 1W
Composition: Wirewound
Temperature coefficient: ±20ppm/°C

Mechanical Parameters (Must Match):

Package/Case: Axial
Number of terminations: 2

Compliance Parameters (Must Maintain or Exceed):

RoHS compliance status
REACH compliance status

Substitute parts may vary in operating temperature range, physical dimensions, and packaging format (bulk vs. cut tape) provided all electrical and mechanical parameters remain equivalent.

Parameter Comparison

Parameter	WHB100FE	WHB100FET	41F100E	RS01A100R0FE70
Manufacturer	Ohmite	Ohmite	Ohmite	Vishay Dale
Resistance	100 Ohms	100 Ohms	100 Ohms	100 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	1W	1W	1W	1W
Composition	Wirewound	Wirewound	Wirewound	Wirewound
Temperature Coefficient	±20ppm/°C	±20ppm/°C	±20ppm/°C	±20ppm/°C
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 275°C	-65°C ~ 250°C
Package/Case	Axial	Axial	Axial	Axial
Size/Dimension	0.130" Dia x 0.276" L (3.30mm x 7.00mm)	0.130" Dia x 0.276" L (3.30mm x 7.00mm)	0.126" Dia x 0.437" L (3.20mm x 11.10mm)	0.094" Dia x 0.406" L (2.39mm x 10.31mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	Vendor Undefined	REACH Unaffected
Packaging Format	Bulk	Cut Tape (CT)	Bulk	Cut Tape (CT)
Inventory Availability	701 Pcs	2245 Pcs	858 Pcs	4510 Pcs

Engineering Selection Recommendations

WHB100FET (Ohmite): Direct equivalent to WHB100FE with identical electrical and mechanical specifications. Differs only in packaging format (cut tape vs. bulk). Maintains ROHS3 compliance and REACH unaffected status. Suitable for direct substitution in all applications within the -55°C to 150°C operating range.

41F100E (Ohmite): Electrically equivalent with extended operating temperature range (-55°C to 275°C). Physical dimensions differ (0.126" Dia x 0.437" L vs. 0.130" Dia x 0.276" L), requiring verification of PCB layout compatibility. RoHS compliant but REACH status is vendor undefined. Suitable for applications requiring higher temperature operation where space constraints permit the larger axial length.

RS01A100R0FE70 (Vishay Dale): Electrically equivalent with extended operating temperature range (-65°C to 250°C) and moisture-resistant construction. Smallest physical dimensions (0.094" Dia x 0.406" L) among substitute options. ROHS3 compliant and REACH unaffected. Suitable for space-constrained applications and environments with moisture exposure where the narrower diameter accommodates tighter PCB routing.

Frequently Asked Questions (FAQ)

Q: Can WHB100FET replace WHB100FE directly? A: Yes. WHB100FET is electrically and mechanically identical to WHB100FE. The only difference is packaging format (cut tape vs. bulk). Direct substitution is valid for all circuit applications.

Q: What are the physical dimension differences among substitutes? A: WHB100FE and WHB100FET share identical dimensions (0.130" Dia x 0.276" L). The 41F100E is longer (0.437" L) with slightly smaller diameter (0.126" Dia). The RS01A100R0FE70 is the most compact (0.094" Dia x 0.406" L). Verify PCB hole spacing and component clearance before selecting alternatives with different dimensions.

Q: Which substitute offers the widest operating temperature range? A: The 41F100E operates from -55°C to 275°C, providing the highest maximum temperature capability. The RS01A100R0FE70 extends the minimum temperature to -65°C while reaching 250°C maximum.

Q: Are all substitutes RoHS compliant? A: WHB100FE, WHB100FET, and RS01A100R0FE70 are ROHS3 compliant. The 41F100E is RoHS compliant but does not specify ROHS3 certification. Verify compliance requirements for your specific application.

Q: What is the moisture-resistant feature on RS01A100R0FE70? A: The RS01A100R0FE70 includes moisture-resistant construction, providing enhanced performance in humid or wet environments. This feature is not specified for other substitutes in this list.

Q: Can I use 41F100E or RS01A100R0FE70 in place of WHB100FE? A: Electrical substitution is valid. However, verify PCB layout compatibility due to different physical dimensions. Confirm that operating temperature requirements do not exceed -55°C to 150°C range unless the extended temperature capability of alternatives is required.

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