RC6432F513CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F513CS is a 51 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 with a temperature coefficient of ±100ppm/°C. The part is currently Active in product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when electrical specifications, mechanical dimensions, and environmental ratings align within acceptable tolerances. This reference provides direct and similar substitutes for design flexibility, supply chain alternatives, and component availability management.

Substiute Parts

RC6432F513CS

Samsung Electro-MechanicsIn Stock: 1126RC6432F513CS Datasheet

Current PartRFQ

RC2512FK-0751KL

YAGEOIn Stock: 11539RC2512FK-0751KL Datasheet

DirectRFQ

ERJ-1TNF5102U

Panasonic Electronic ComponentsIn Stock: 3598ERJ-1TNF5102U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F513CS is determined by strict alignment of the following parameters:

Electrical Specifications:

• Resistance value: 51 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Specifications:

• Package type: 2512 (6432 Metric)
• Number of terminations: 2
• Composition: Thick Film
• Moisture resistance: Required

Compliance & Environmental:

• RoHS3 compliance
• MSL 1 rating
• REACH Unaffected status

Substitute parts are classified as follows:

Direct Substitutes: Parts meeting all electrical, mechanical, and compliance parameters with identical or equivalent packaging configurations.

Similar Substitutes: Parts meeting all core electrical and mechanical parameters but with different product status or specialized certifications (such as automotive AEC-Q200 qualification).

Parameter Comparison

Engineering Selection Recommendations

RC2512FK-0751KL (YAGEO) - Direct Substitute:

The RC2512FK-0751KL is a direct substitute for the RC6432F513CS. Both parts share identical electrical specifications (51 kOhms ±1%, 1W), mechanical package (2512), and environmental ratings (ROHS3, MSL 1). The YAGEO part is currently Active in product status and available in higher inventory (11506 Pcs). Packaging differs (Tape & Reel vs. Bulk), which may affect procurement workflows but does not impact electrical or mechanical compatibility. Dimensional tolerances remain within acceptable ranges for PCB assembly.

ERJ-1TNF5102U (Panasonic) - Similar Substitute:

The ERJ-1TNF5102U meets all core electrical and mechanical requirements for substitution. This part carries AEC-Q200 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components. However, the product status is listed as "Not For New Designs," indicating this part is in mature or end-of-life phase. Selection of this part is appropriate only for legacy system maintenance, repair, or applications where automotive qualification is a specific requirement. For new designs, RC2512FK-0751KL is the preferred alternative.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0751KL replace RC6432F513CS in existing designs?

A: Yes. The RC2512FK-0751KL is a direct electrical and mechanical equivalent. All critical parameters—resistance, tolerance, power rating, package type, temperature range, and compliance certifications—are identical. The primary difference is packaging format (Tape & Reel vs. Bulk), which affects supply chain handling but not circuit performance.

Q: What is the significance of the "Not For New Designs" status on ERJ-1TNF5102U?

A: This designation indicates the Panasonic part is in mature production phase and may have limited long-term availability. While the part remains functionally equivalent and suitable for replacement in existing applications, it is not recommended for new product development. Use RC2512FK-0751KL for new designs.

Q: Are dimensional variations between substitutes significant?

A: Dimensional variations are minimal and within acceptable PCB assembly tolerances. RC6432F513CS measures 6.30mm L × 3.20mm W × 0.66mm H (max). RC2512FK-0751KL measures 6.35mm L × 3.10mm W × 0.65mm H (max). ERJ-1TNF5102U measures 6.40mm L × 3.20mm W × 0.70mm H (max). These differences do not affect footprint compatibility or assembly processes for standard 2512 package designs.

Q: Do all substitutes maintain the same moisture resistance rating?

A: Yes. All three parts—RC6432F513CS, RC2512FK-0751KL, and ERJ-1TNF5102U—are moisture-resistant thick film resistors with MSL 1 (Unlimited) rating. Moisture sensitivity handling requirements are identical across all substitutes.

Q: Which substitute offers the best supply availability?

A: RC2512FK-0751KL (YAGEO) currently has the highest inventory at 11506 Pcs, compared to 1046 Pcs for the original Samsung part and 3568 Pcs for the Panasonic part. For applications requiring immediate or high-volume procurement, RC2512FK-0751KL is the optimal choice.