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WHBR10FE 100 mOhms ±1% 1W Axial Wirewound Resistor Equivalent & Substitute Parts
Part Overview
The WHBR10FE is an active Ohmite wirewound resistor rated at 100 mOhms with ±1% tolerance and 1W power dissipation in an axial through-hole package. This component is designed for precision current-sensing and low-resistance applications requiring stable performance across industrial temperature ranges. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory compliance to support procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 100 mOhms (0.1 Ω) |
| Tolerance | ±1% |
| Power Rating | 1W |
| Composition | Wirewound |
| Package Type | Axial |
| Temperature Coefficient | ±90 ppm/°C |
| Operating Temperature Range | -55°C to 150°C |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitute parts for the WHBR10FE are qualified based on the following electrical and mechanical parameters:
- Resistance value: 100 mOhms (0.1 Ω)
- Tolerance: ±1%
- Power rating: 1W
- Composition: Wirewound
- Package configuration: Axial through-hole
- Termination count: 2
- Regulatory compliance: ROHS3 Compliant
Substitutes are grouped into two categories: direct manufacturer equivalents from Ohmite and cross-manufacturer alternatives that meet the same electrical and mechanical specifications. Physical dimensions may vary within acceptable limits for through-hole mounting applications.
Parameter Comparison
| Parameter | WHBR10FE (Main) | WHBR10FET | 41FR10E | RS01AR1000FE70 |
|---|---|---|---|---|
| Manufacturer | Ohmite | Ohmite | Ohmite | Vishay Dale |
| Resistance | 100 mOhms | 100 mOhms | 100 mOhms | 100 mOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 1W | 1W | 1W | 1W |
| Composition | Wirewound | Wirewound | Wirewound | Wirewound |
| Temperature Coefficient | ±90 ppm/°C | ±90 ppm/°C | ±90 ppm/°C | Not specified |
| Operating Temperature | -55°C to 150°C | -55°C to 150°C | Not specified | -65°C to 250°C |
| Package / Case | Axial | Axial | Axial | Axial |
| Size / Dimension | 0.130" Dia × 0.276" L (3.30mm × 7.00mm) | 0.130" Dia × 0.276" L (3.30mm × 7.00mm) | 0.126" Dia × 0.437" L (3.20mm × 11.10mm) | 0.094" Dia × 0.406" L (2.39mm × 10.31mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Packaging Format | Bulk | Cut Tape (CT) | Bulk | Cut Tape (CT) |
Engineering Selection Recommendations
All substitute parts listed maintain ROHS3 compliance and meet the core electrical specifications of the WHBR10FE. Selection among substitutes should be based on the following factors:
WHBR10FET (Ohmite): Direct equivalent with identical electrical and thermal characteristics. Available in cut tape packaging for automated assembly processes. Recommended for applications requiring exact dimensional and performance matching.
41FR10E (Ohmite, Ohmicone® 40 Series): Ohmite manufacturer-recommended substitute with identical electrical specifications. Physical dimensions differ (0.126" Dia × 0.437" L). Suitable for applications where slightly larger axial length is acceptable. Available in bulk packaging.
RS01AR1000FE70 (Vishay Dale, RS Series): Cross-manufacturer substitute with extended operating temperature range (-65°C to 250°C) and moisture-resistant construction. Physical dimensions differ (0.094" Dia × 0.406" L). Recommended for high-temperature or moisture-critical applications. Available in cut tape packaging.
All parts are active products with confirmed inventory availability and meet international regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can WHBR10FET be used as a direct replacement for WHBR10FE?
A: Yes. WHBR10FET is a direct Ohmite equivalent with identical electrical specifications, temperature coefficient, operating temperature range, and physical dimensions. The primary difference is packaging format (cut tape versus bulk).
Q: What are the dimensional differences between substitute parts?
A: WHBR10FE and WHBR10FET share identical dimensions (0.130" Dia × 0.276" L). The 41FR10E is slightly smaller in diameter (0.126") but longer (0.437" L). The RS01AR1000FE70 is the smallest in diameter (0.094") with intermediate length (0.406" L). These variations may affect PCB layout and mechanical clearance.
Q: Is the RS01AR1000FE70 suitable for the same temperature range as the WHBR10FE?
A: The RS01AR1000FE70 supports an extended temperature range (-65°C to 250°C) compared to the WHBR10FE (-55°C to 150°C). It is suitable for applications within the WHBR10FE temperature range and additionally supports higher and lower extremes. Temperature coefficient data for the RS01AR1000FE70 is not specified in available documentation.
Q: Are all substitute parts RoHS compliant?
A: Yes. All listed substitute parts are ROHS3 compliant and meet international environmental regulations.
Q: What packaging options are available?
A: WHBR10FE and 41FR10E are supplied in bulk packaging. WHBR10FET and RS01AR1000FE70 are supplied in cut tape (CT) format suitable for automated pick-and-place assembly.
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