RC6432F512CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F512CS is a 5.1 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently active in production. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the 2512 package form factor, allowing for direct circuit board replacement without design modification.

Substiute Parts

RC6432F512CS

Samsung Electro-MechanicsIn Stock: 927RC6432F512CS Datasheet

Current PartRFQ

RC2512FK-075K1L

YAGEOIn Stock: 19646RC2512FK-075K1L Datasheet

DirectRFQ

CRM2512-FX-5101ELF

Bourns Inc.In Stock: 5130CRM2512-FX-5101ELF Datasheet

SimilarRFQ

ERJ-1TNF5101U

Panasonic Electronic ComponentsIn Stock: 7344ERJ-1TNF5101U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F512CS are classified based on strict electrical and mechanical parameter matching:

Direct Substitutes maintain identical specifications across all critical parameters: 5.1 kOhms resistance, ±1% tolerance, 1W power rating, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, 2512 package, MSL 1, and ROHS3 compliance.

Similar Substitutes share the core electrical specifications (5.1 kOhms, ±1%, thick film, temperature coefficient, operating range, package, MSL, and ROHS3) but differ in power rating or specialized features. These parts are electrically compatible in circuits where the higher power rating or additional features do not create design conflicts.

The 2512 (6432 Metric) package form factor is the primary mechanical constraint. All substitute parts must conform to this package specification to ensure PCB footprint compatibility and assembly process alignment.

Parameter Comparison

Engineering Selection Recommendations

RC2512FK-075K1L (YAGEO) is a direct substitute for the RC6432F512CS. Both parts are active products with identical electrical specifications, power rating, and package configuration. This part is suitable for new designs and ongoing production.

CRM2512-FX-5101ELF (Bourns) is a similar substitute with higher power rating (2W versus 1W). The elevated power rating provides additional thermal margin in applications where the original 1W specification is adequate. This part is active and suitable for new designs. The current sense feature does not affect basic resistive functionality.

ERJ-1TNF5101U (Panasonic) is a similar substitute with automotive AEC-Q200 qualification. This part carries a "Not For New Designs" status, indicating it is in mature phase or discontinuation planning. Use this part only in existing production lines or legacy system maintenance where AEC-Q200 qualification is required. For new automotive designs, select RC2512FK-075K1L or CRM2512-FX-5101ELF.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and the required 2512 package footprint. Selection should prioritize active product status for new designs and long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-075K1L replace RC6432F512CS directly on the PCB?

A: Yes. Both parts conform to the 2512 (6432 Metric) package specification with compatible footprint dimensions. Electrical specifications are identical: 5.1 kOhms, ±1% tolerance, 1W power rating, and ±100ppm/°C temperature coefficient. Direct substitution is valid without circuit redesign.

Q: What is the difference between the 1W and 2W power ratings in CRM2512-FX-5101ELF?

A: The CRM2512-FX-5101ELF is rated for 2W dissipation versus 1W in the RC6432F512CS. In circuits designed for 1W operation, the 2W-rated part operates with additional thermal margin and does not create compatibility issues. The higher rating does not affect electrical performance at equivalent power levels.

Q: Why is ERJ-1TNF5101U marked "Not For New Designs"?

A: This product status indicates the part is in mature phase or planned discontinuation by Panasonic. While the part remains available and functionally equivalent, it is not recommended for new product development. For new designs, select RC2512FK-075K1L or CRM2512-FX-5101ELF, both marked as active products.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RC2512FK-075K1L, CRM2512-FX-5101ELF, and ERJ-1TNF5101U are all ROHS3 compliant, matching the RC6432F512CS compliance status. All parts are also MSL 1 (Unlimited moisture sensitivity level).

Q: What is the significance of the 2512 package specification?

A: The 2512 (6432 Metric) package is the mechanical form factor that determines PCB footprint compatibility. All substitute parts must conform to this package to ensure proper fit in existing circuit board designs without layout modification. Dimensional variations between manufacturers are within acceptable tolerance for standard PCB assembly processes.

Q: Can I use these substitutes in automotive applications?

A: Only ERJ-1TNF5101U carries automotive AEC-Q200 qualification. If automotive qualification is a design requirement, use ERJ-1TNF5101U. For general industrial or consumer applications, RC2512FK-075K1L and CRM2512-FX-5101ELF are suitable alternatives.