NHSA501R0F Equivalent & Substitute Parts

Part Overview

The NHSA501R0F is a 1 Ohm ±1% 50W wirewound chassis mount resistor manufactured by TE Connectivity Passive Product. This component is designed for high-power applications requiring precision resistance with stable thermal performance across extended operating ranges. The part is Active status and ROHS3 compliant, making it suitable for modern electronic assemblies. Substitute parts are identified to provide design flexibility, inventory alternatives, and sourcing options while maintaining electrical and mechanical compatibility within specified parameters.

Substiute Parts

NHSA501R0F

TE Connectivity Passive ProductIn Stock: 1052NHSA501R0F Datasheet

Current PartRFQ

HSA501R0F

TE Connectivity Passive ProductIn Stock: 1188HSA501R0F Datasheet

Parametric EquivalentRFQ

KAL50FB1R00

Stackpole Electronics IncIn Stock: 1721KAL50FB1R00 Datasheet

DirectRFQ

TMC0501R000FE02

Vishay DaleIn Stock: 1233TMC0501R000FE02 Datasheet

DirectRFQ

UAL50-1RF8

RiedonIn Stock: 1118UAL50-1RF8 Datasheet

DirectRFQ

RH0501R000FE02

Vishay DaleIn Stock: 1308RH0501R000FE02 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NHSA501R0F are classified based on electrical parameter equivalence and mechanical compatibility. All identified substitutes maintain the core electrical specifications: 1 Ohm resistance, ±1% tolerance, 50W power rating, wirewound composition, and ±50ppm/°C temperature coefficient. Mechanical compatibility is established through identical or functionally equivalent mounting features (flanges), lead style (solder lugs), and package configuration (axial, box).

Substitutes are grouped into three categories:

Parametric Equivalent: HSA501R0F shares identical electrical and mechanical specifications with the main part, differing only in packaging format (tray versus standard packaging).

Direct Manufacturer Equivalents: KAL50FB1R00, TMC0501R000FE02, and UAL50-1RF8 provide full electrical equivalence with minor dimensional variations within acceptable tolerances and extended or equivalent operating temperature ranges.

Similar Manufacturer Equivalent: RH0501R000FE02 provides electrical equivalence with dimensional characteristics consistent with the direct manufacturer equivalents.

The key parameters determining substitution eligibility are: resistance value, tolerance, power rating, composition type, temperature coefficient, mounting configuration, and lead style. Operating temperature range extensions in substitute parts do not restrict their use in applications requiring the base -55°C ~ 200°C range.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with modern manufacturing standards. The HSA501R0F represents the closest parametric match as a TE Connectivity product within the same series family, differing only in packaging format.

For applications operating within the -55°C ~ 200°C range, all substitute parts provide equivalent performance. The KAL50FB1R00 and UAL50-1RF8 offer extended operating temperature capability to 275°C, providing additional thermal margin for demanding environments. The TMC0501R000FE02 and RH0501R000FE02 extend the upper operating limit to 250°C.

Dimensional variations among substitutes are minor and within typical mechanical tolerances for chassis mount applications. The NHSA501R0F measures 2.008" L x 1.181" W x 0.669" H (seated), while alternative parts range from 1.968" to 1.969" in length and 1.140" to 1.142" in width, with seated heights between 0.625" and 0.641". These variations do not affect functional compatibility in standard chassis mount configurations.

All substitute parts are available in Active status with confirmed inventory levels, supporting immediate procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can HSA501R0F be used as a direct replacement for NHSA501R0F?

A: Yes. The HSA501R0F is a parametric equivalent with identical electrical specifications and mechanical mounting features. The only difference is packaging format (tray versus standard packaging). Both parts are TE Connectivity products within the HS/CGS series family.

Q: What are the dimensional differences between NHSA501R0F and other substitutes?

A: The NHSA501R0F measures 2.008" L x 1.181" W x 0.669" H (seated). Substitute parts from Stackpole, Vishay Dale, and Riedon measure approximately 1.968" to 1.969" L x 1.140" to 1.142" W x 0.625" to 0.641" H (seated). These variations are within acceptable mechanical tolerances for chassis mount applications with flanged mounting features.

Q: Do substitute parts maintain the same electrical performance?

A: Yes. All substitute parts maintain 1 Ohm resistance, ±1% tolerance, 50W power rating, ±50ppm/°C temperature coefficient, and wirewound composition. Electrical performance is equivalent across all identified substitutes.

Q: Are there operating temperature differences between substitutes?

A: The NHSA501R0F and HSA501R0F operate from -55°C ~ 200°C. The KAL50FB1R00 and UAL50-1RF8 extend to -55°C ~ 275°C. The TMC0501R000FE02 and RH0501R000FE02 operate to -55°C ~ 250°C. All substitutes support the base -55°C ~ 200°C range required by the main part.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts are ROHS3 compliant, meeting regulatory requirements for modern electronic assemblies.

Q: What packaging options are available?

A: The NHSA501R0F is supplied in standard packaging. The HSA501R0F is available in tray packaging. The KAL50FB1R00, TMC0501R000FE02, UAL50-1RF8, and RH0501R000FE02 are supplied in bulk packaging. Selection depends on procurement and assembly requirements.

Q: Can substitutes be used interchangeably in existing designs?

A: Yes, provided the application accommodates minor dimensional variations. The flanged mounting feature and solder lug lead style are consistent across all parts. Verify mechanical clearance in the specific chassis mount configuration before implementation.