WNCR10FE Equivalent & Substitute Parts

Part Overview

The WNCR10FE is a 100 mOhms ±1% 2W axial wirewound resistor manufactured by Ohmite. This non-inductive through-hole component is designed for applications requiring precision low-resistance measurements and power dissipation in the 2W range. The part is currently discontinued at DiGi Electronics, making substitute parts necessary for ongoing production and maintenance applications. Equivalent alternatives maintain identical electrical specifications while offering different packaging configurations or active product status.

Substiute Parts

WNCR10FE

OhmiteIn Stock: 1034WNCR10FE Datasheet

Current PartRFQ

WNCR10FET

OhmiteIn Stock: 1920WNCR10FET Datasheet

DirectRFQ

WHCR10FE

OhmiteIn Stock: 984WHCR10FE Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the WNCR10FE is determined by strict equivalence across the following critical parameters: resistance value (100 mOhms), tolerance (±1%), power rating (2W), composition (wirewound), temperature coefficient (±90 ppm/°C), operating temperature range (-55°C to 150°C), package type (axial), and physical dimensions (0.180" Dia × 0.449" L). All substitute parts must maintain ROHS3 compliance and identical electrical performance.

Two substitute categories are identified:

Direct Manufacturer Substitute (Packaging Variant): WNCR10FET maintains all electrical and mechanical specifications of the WNCR10FE with the distinction of Cut Tape (CT) packaging and active product status.

Parametric Equivalent (Series Variant): WHCR10FE and WHCR10FET are from the Ohmite WH series and match all critical electrical parameters and physical dimensions. The primary difference is the absence of the non-inductive feature designation in the WH series specification, though physical construction remains compatible with axial through-hole applications.

Parameter Comparison

Engineering Selection Recommendations

For applications currently using WNCR10FE, WNCR10FET is the primary substitute due to identical electrical specifications, matching physical dimensions, and active product status. This part is available in Cut Tape packaging, suitable for automated assembly processes.

WHCR10FE and WHCR10FET serve as secondary parametric equivalents when WNCR series parts are unavailable. These parts maintain all critical electrical parameters and physical compatibility. The WH series designation indicates a standard wirewound construction without explicit non-inductive feature marking. Selection between WHCR10FE (bulk packaging) and WHCR10FET (Cut Tape packaging) depends on assembly requirements and inventory management practices.

All substitute options maintain ROHS3 compliance and identical operating temperature ranges, ensuring regulatory and thermal compatibility with the original WNCR10FE specification.

Frequently Asked Questions (FAQ)

Q: Can WNCR10FET be used as a direct replacement for WNCR10FE?

A: Yes. WNCR10FET is electrically and mechanically identical to WNCR10FE. The only difference is packaging format (Cut Tape versus bulk). Both are from the Ohmite WN series and maintain the non-inductive feature specification.

Q: What is the difference between WN and WH series resistors?

A: Both series share identical electrical specifications (100 mOhms, ±1%, 2W, ±90 ppm/°C) and physical dimensions. The WN series explicitly designates non-inductive construction, while the WH series does not include this feature designation in the part number. Physical compatibility and electrical performance are equivalent for standard through-hole applications.

Q: Are there packaging considerations when substituting WNCR10FE with WNCR10FET?

A: WNCR10FE is supplied in bulk packaging, while WNCR10FET uses Cut Tape (CT) format. Cut Tape packaging is optimized for automated pick-and-place assembly. Manual assembly processes may require tape-to-bulk conversion or handling adjustments.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. WNCR10FE, WNCR10FET, WHCR10FE, and WHCR10FET are all ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements.

Q: Which substitute should be selected for new designs?

A: WNCR10FET is recommended for new designs due to active product status and standard Cut Tape packaging format. If non-inductive specification is not critical to circuit function, WHCR10FET provides an additional active alternative from Ohmite's standard wirewound resistor line.