RC6432F1371CS Equivalent & Substitute Parts

Part Overview

The RC6432F1371CS is a 1.37 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 with unlimited moisture sensitivity rating (MSL 1). The part is currently in active production status with 1,086 units available in stock.

Substitute parts become necessary when the primary manufacturer experiences supply constraints, when design requirements mandate specific certifications (such as automotive qualification), or when alternative sourcing reduces procurement costs while maintaining electrical and mechanical compatibility.

Substiute Parts

RC6432F1371CS

Samsung Electro-MechanicsIn Stock: 1148RC6432F1371CS Datasheet

Current PartRFQ

ERJ-1TNF1371U

Panasonic Electronic ComponentsIn Stock: 3558ERJ-1TNF1371U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1371CS is determined by strict alignment with the following parameters:

Mandatory Matching Parameters:

• Resistance value: 1.37 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Package designation: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• RoHS3 compliance status

Acceptable Variations:

• Manufacturer identity (different suppliers)
• Packaging format (Tape & Reel vs. bulk)
• Product status (Active vs. Not For New Designs)
• Additional certifications (e.g., AEC-Q200 automotive qualification)
• Minor dimensional tolerances within package specification

The ERJ-1TNF1371U from Panasonic Electronic Components qualifies as a direct substitute based on matching all mandatory electrical parameters and package specifications. The primary distinction is its automotive AEC-Q200 qualification and "Not For New Designs" status, which does not preclude its use as a substitute for existing designs.

Parameter Comparison

Engineering Selection Recommendations

Primary Part (RC6432F1371CS): Select the Samsung Electro-Mechanics RC6432F1371CS for new designs requiring active production status and standard industrial applications. This part maintains current manufacturing support with 1,086 units in stock inventory.

Substitute Part (ERJ-1TNF1371U): The Panasonic ERJ-1TNF1371U serves as a functional equivalent when Samsung supply becomes unavailable. Although designated "Not For New Designs," this classification does not affect electrical or mechanical compatibility for existing circuit implementations. The part carries AEC-Q200 automotive qualification, providing enhanced reliability documentation suitable for mission-critical applications. Panasonic inventory of 3,472 units provides extended availability.

Selection Criteria:

• Use RC6432F1371CS for new product development and standard procurement
• Use ERJ-1TNF1371U for design continuity when primary source unavailable
• Both parts satisfy ROHS3 and REACH compliance requirements
• Both parts maintain identical electrical performance across the specified operating temperature range

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF1371U replace RC6432F1371CS in existing designs?

A: Yes. The ERJ-1TNF1371U provides electrical and mechanical equivalence. All critical parameters—resistance, tolerance, power rating, package type, temperature coefficient, and operating range—match exactly. Minor dimensional variations (0.004" length difference, 0.002" height difference) remain within 2512 package tolerances and do not affect PCB assembly or circuit performance.

Q: What does "Not For New Designs" mean for the Panasonic part?

A: This designation indicates Panasonic does not recommend the ERJ-1TNF1371U for new product development. However, it remains a valid substitute for existing designs and production continuity. The part is fully functional and compliant with all stated specifications.

Q: Are there packaging differences between these parts?

A: The RC6432F1371CS is supplied in standard packaging, while the ERJ-1TNF1371U is supplied in Tape & Reel (TR) format. Both formats contain identical components; packaging format affects only handling and automated assembly compatibility, not electrical performance.

Q: Do both parts meet automotive standards?

A: The RC6432F1371CS meets industrial standards with moisture resistance. The ERJ-1TNF1371U carries AEC-Q200 automotive qualification, indicating enhanced reliability testing and documentation. For automotive applications, the Panasonic part provides additional certification value.

Q: What is the significance of MSL 1 rating?

A: MSL 1 (Unlimited) indicates both parts have unlimited shelf life and require no special moisture-controlled storage. This simplifies inventory management and reduces handling complexity compared to higher MSL-rated components.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes, within the same production run or design revision. Both parts use identical 2512 package footprints. Dimensional variations are negligible for standard PCB assembly processes. Verify with your assembly partner if mixing parts within a single production batch.