RC6432F51R1CS 51.1 Ohm 1W 2512 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC6432F51R1CS is a 51.1 Ohm ±1% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction suitable for general industrial and commercial applications. Substitute parts are identified when original inventory becomes unavailable or when design requirements necessitate alternative qualified sources meeting identical electrical and mechanical specifications.

Substiute Parts

RC6432F51R1CS

Samsung Electro-MechanicsIn Stock: 1074RC6432F51R1CS Datasheet

Current PartRFQ

RC2512FK-0751R1L

YAGEOIn Stock: 8379RC2512FK-0751R1L Datasheet

DirectRFQ

CRCW251251R1FKEG

Vishay DaleIn Stock: 4238CRCW251251R1FKEG Datasheet

SimilarRFQ

RMCF2512FT51R1

Stackpole Electronics IncIn Stock: 3486RMCF2512FT51R1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F51R1CS are qualified based on strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

• Resistance value: 51.1 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 1W (exact match required)
• Package: 2512 (6432 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• RoHS3 compliance (exact match required)
• MSL rating: 1 (Unlimited) (exact match required)

All identified substitute parts meet these criteria. Packaging format differences (Tape & Reel vs. bulk) do not affect electrical or mechanical compatibility and represent logistics variations only.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are functionally equivalent to the RC6432F51R1CS based on electrical and mechanical parameters. Selection among these alternatives should be based on the following factors:

RC2512FK-0751R1L (YAGEO): Direct equivalent with moisture-resistant construction matching the original part specification. Suitable for applications requiring standard industrial-grade reliability without automotive qualification requirements.

CRCW251251R1FKEG (Vishay Dale): Includes AEC-Q200 automotive qualification in addition to standard specifications. Appropriate for applications requiring automotive-grade component certification or when design standards mandate AEC-Q200 compliance.

RMCF2512FT51R1 (Stackpole Electronics): Includes AEC-Q200 automotive qualification. Functionally equivalent to CRCW251251R1FKEG with identical electrical and mechanical parameters. Suitable for automotive applications or designs requiring automotive-grade component qualification.

All parts maintain ROHS3 compliance, unlimited moisture sensitivity rating, and identical operating temperature ranges. Physical dimensions show negligible variations within manufacturing tolerances and do not affect PCB layout or thermal performance.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0751R1L replace RC6432F51R1CS in any application?

A: Yes. Both parts share identical electrical specifications (51.1 Ohms ±1%, 1W), composition (thick film), temperature characteristics (±100ppm/°C, -55°C ~ 155°C), and package format (2512/6432 Metric). Packaging format difference (Tape & Reel vs. bulk) affects only procurement and assembly logistics, not component performance.

Q: What is the difference between the YAGEO part and the Vishay/Stackpole parts?

A: The primary difference is automotive qualification. CRCW251251R1FKEG and RMCF2512FT51R1 carry AEC-Q200 certification, while RC2512FK-0751R1L does not. All other electrical and mechanical parameters are identical. AEC-Q200 qualification is required only if design specifications or customer requirements mandate automotive-grade components.

Q: Are there physical dimension differences that affect PCB layout?

A: Physical dimensions show minor variations within manufacturing tolerances. Length ranges from 0.248" to 0.250" (6.30mm to 6.35mm), width from 0.122" to 0.126" (3.10mm to 3.20mm), and height from 0.026" to 0.028" (0.65mm to 0.70mm). These variations are within standard PCB design tolerances and do not require layout modifications.

Q: Can I use an AEC-Q200 qualified part in a non-automotive application?

A: Yes. AEC-Q200 qualification represents an additional quality standard and does not restrict use in non-automotive applications. Parts with automotive qualification are fully compatible with standard industrial applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance identical to the original RC6432F51R1CS.

Q: What is MSL 1 (Unlimited) rating?

A: Moisture Sensitivity Level 1 indicates the component requires no special moisture control during storage, handling, or assembly. No baking or desiccant storage is required prior to soldering.