RC6432F1370CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F1370CS is a 137 Ohms ±1% 1W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This component is classified as Active product status with moisture-resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and commercial applications requiring precision resistive elements.

Substitute parts become necessary when the primary manufacturer part experiences supply constraints, inventory depletion, or when design requirements mandate alternative certifications such as automotive AEC-Q200 qualification. The substitute parts listed maintain electrical and mechanical compatibility while offering different manufacturer sourcing and product lifecycle status options.

Substiute Parts

RC6432F1370CS

Samsung Electro-MechanicsIn Stock: 807RC6432F1370CS Datasheet

Current PartRFQ

ERJ-1TNF1370U

Panasonic Electronic ComponentsIn Stock: 11860ERJ-1TNF1370U Datasheet

SimilarRFQ

RMCF2512FT137R

Stackpole Electronics IncIn Stock: 38757RMCF2512FT137R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1370CS is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must remain identical across all substitute parts:

Mandatory Matching Parameters:

• Resistance: 137 Ohms (exact value)
• Tolerance: ±1% (exact specification)
• Power Rating: 1W (exact specification)
• Package: 2512 (6432 Metric) (exact form factor)
• Composition: Thick Film (exact technology)
• Temperature Coefficient: ±100ppm/°C (exact specification)
• Operating Temperature: -55°C ~ 155°C (exact range)
• Terminations: 2 (exact count)

Regulatory Compliance Parameters:

• RoHS3 Compliance (required)
• REACH Unaffected status (required)

Substitute parts may differ in the following non-critical parameters without affecting functional equivalence: manufacturer identity, product lifecycle status (Active vs. Not For New Designs), packaging format (bulk vs. Tape & Reel), specific dimensional tolerances within the 2512 package specification, height seated maximum values, and optional certifications such as AEC-Q200 automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

RC6432F1370CS (Samsung Electro-Mechanics) - Primary Selection

Select this part when the original design specification explicitly requires Samsung Electro-Mechanics sourcing or when moisture-resistant thick film technology from this manufacturer is mandated. Product status is Active, ensuring continued availability and manufacturer support. This part carries no automotive certification, making it suitable for general industrial, commercial, and consumer applications where AEC-Q200 qualification is not required.

ERJ-1TNF1370U (Panasonic Electronic Components) - Conditional Substitute

This part is electrically and mechanically equivalent to the RC6432F1370CS and carries AEC-Q200 automotive qualification. However, product status is listed as "Not For New Designs," indicating Panasonic has discontinued this part for new design implementations. Use this substitute only when existing inventory must be consumed or when legacy system maintenance requires exact part matching. Do not select for new product development.

RMCF2512FT137R (Stackpole Electronics Inc) - Recommended Substitute

This part is electrically and mechanically equivalent to the RC6432F1370CS with Active product status, ensuring long-term availability. It carries AEC-Q200 automotive qualification, making it suitable for both general industrial applications and automotive environments. Stackpole sourcing provides an alternative supply chain option when Samsung Electro-Mechanics inventory is constrained. Dimensional variations (height seated maximum of 0.028" vs. 0.026") remain within 2512 package tolerance specifications and do not affect circuit performance.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF1370U be used as a direct replacement for RC6432F1370CS?

A: Yes, ERJ-1TNF1370U is electrically and mechanically equivalent. All critical parameters including resistance, tolerance, power rating, package, composition, temperature coefficient, and operating temperature range are identical. However, Panasonic has designated this part as "Not For New Designs," limiting its use to legacy system support and existing inventory consumption.

Q: What is the difference between the three substitute parts?

A: All three parts are functionally equivalent with identical electrical specifications (137 Ohms ±1%, 1W, ±100ppm/°C, -55°C to 155°C). Differences exist only in manufacturer identity, product lifecycle status, packaging format, and optional automotive certification. RC6432F1370CS and RMCF2512FT137R are both Active products; ERJ-1TNF1370U is Not For New Designs.

Q: Does the height difference between parts affect PCB layout?

A: The height seated maximum varies slightly: RC6432F1370CS at 0.026" (0.66mm), while ERJ-1TNF1370U and RMCF2512FT137R are at 0.028" (0.70mm). These variations remain within the 2512 (6432 Metric) package specification tolerance. Standard PCB design clearances accommodate this 0.002" (0.04mm) difference without layout modification.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. RC6432F1370CS, ERJ-1TNF1370U, and RMCF2512FT137R are all ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for industrial and commercial applications.

Q: Which substitute part should be selected for automotive applications?

A: Both ERJ-1TNF1370U and RMCF2512FT137R carry AEC-Q200 automotive qualification. RMCF2512FT137R is the preferred selection due to Active product status and assured long-term availability. ERJ-1TNF1370U should be avoided for new automotive designs due to its "Not For New Designs" status.

Q: What is the significance of Moisture Sensitivity Level 1 (Unlimited)?

A: MSL 1 (Unlimited) indicates these components have no moisture sensitivity restrictions. Standard storage conditions without desiccant or controlled humidity environments are acceptable. No special handling, baking, or moisture barrier packaging is required prior to soldering.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, all three parts are interchangeable from an electrical and mechanical standpoint. PCB footprints designed for 2512 package accommodate all three parts. No circuit redesign or revalidation is required when substituting between these parts, provided the application does not mandate specific manufacturer sourcing or automotive certification requirements.