RC6432F13R7CS Equivalent & Substitute Parts

Part Overview

The RC6432F13R7CS is a 13.7 Ohm ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component is designed for general-purpose applications requiring precision resistance values with moderate power dissipation. The part maintains Active product status with 1032 units currently in stock.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit alternative qualified sources. The ERJ-1TNF13R7U from Panasonic Electronic Components provides functional equivalence with identical electrical specifications, though it carries a "Not For New Designs" status and includes automotive AEC-Q200 qualification.

Substiute Parts

RC6432F13R7CS

Samsung Electro-MechanicsIn Stock: 1107RC6432F13R7CS Datasheet

Current PartRFQ

ERJ-1TNF13R7U

Panasonic Electronic ComponentsIn Stock: 4849ERJ-1TNF13R7U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F13R7CS is determined by strict alignment with the following core parameters:

Electrical Parameters (Non-Negotiable):

• Resistance value: 13.7 Ohms
• Tolerance: ±1%
• Power rating: 1W minimum
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C minimum

Mechanical Parameters (Non-Negotiable):

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

Compliance Parameters:

• RoHS3 Compliant status
• Moisture Sensitivity Level: MSL 1 or better

The ERJ-1TNF13R7U from Panasonic satisfies all electrical and mechanical requirements. It maintains identical resistance, tolerance, power rating, temperature coefficient, and operating temperature specifications. The package dimensions are functionally equivalent (6.40mm x 3.20mm versus 6.30mm x 3.20mm), and both components feature MSL 1 moisture sensitivity with ROHS3 compliance. The primary distinction is the Panasonic part's automotive AEC-Q200 qualification and "Not For New Designs" status, which reflects its market positioning rather than functional limitation.

Parameter Comparison

Engineering Selection Recommendations

For Active Production and New Designs: The RC6432F13R7CS maintains Active product status with established supply availability (1032 units in stock). This component is the preferred selection for new circuit designs and ongoing production runs where supply continuity is a priority.

For Existing Designs Requiring Substitution: The ERJ-1TNF13R7U provides complete functional equivalence across all critical electrical and mechanical parameters. The minor dimensional variations (0.10mm length difference, 0.04mm height difference) fall within standard PCB layout tolerances for 2512 package components. The Panasonic part's "Not For New Designs" status does not preclude its use as a substitute in established applications; this designation reflects manufacturer lifecycle management rather than technical inadequacy.

Compliance Considerations: Both components maintain ROHS3 compliance and MSL 1 ratings, ensuring regulatory and handling compatibility with existing supply chain processes. The Panasonic part's additional AEC-Q200 automotive qualification provides enhanced reliability documentation for applications requiring automotive-grade component traceability.

Selection Logic:

• Use RC6432F13R7CS for new designs and when primary supply is available
• Use ERJ-1TNF13R7U when RC6432F13R7CS experiences supply constraints
• Both parts are interchangeable from electrical and mechanical perspectives
• Verify PCB layout clearances accommodate the 0.10mm length difference if space is constrained

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF13R7U be used as a direct replacement for RC6432F13R7CS on existing PCBs?

A: Yes. Both components share identical electrical specifications (13.7 Ohms ±1%, 1W, ±100ppm/°C, -55°C to 155°C) and use the 2512 (6432 Metric) package. The dimensional differences (6.40mm vs 6.30mm length; 0.70mm vs 0.66mm height) are within standard PCB design tolerances for this package class. No circuit redesign is required.

Q: Why does the Panasonic part show "Not For New Designs" status?

A: This designation indicates the manufacturer is transitioning the product line and recommends newer alternatives for new circuit development. However, it does not reflect technical deficiency or performance limitations. The part remains fully functional and suitable for use in existing designs requiring substitution.

Q: Are there dimensional concerns with the 0.10mm length difference?

A: No. Standard PCB pad spacing for 2512 components accommodates manufacturing tolerances significantly larger than 0.10mm. Both parts will mount correctly on identically designed footprints without modification.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both RC6432F13R7CS and ERJ-1TNF13R7U are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings. They are interchangeable from a regulatory and supply chain handling perspective.

Q: What is the significance of the Panasonic part's AEC-Q200 qualification?

A: AEC-Q200 is an automotive industry standard for passive component reliability. This qualification provides additional documentation of the part's performance under automotive environmental conditions. It enhances traceability for applications requiring automotive-grade component certification but does not alter the part's suitability for general industrial use.

Q: Can I mix RC6432F13R7CS and ERJ-1TNF13R7U in the same production batch?

A: Yes. Both parts meet identical electrical and mechanical specifications. Mixed sourcing is acceptable provided your quality control process verifies component identity during assembly. Document the substitution in your bill of materials and component traceability records.

Q: What should I verify before implementing ERJ-1TNF13R7U as a substitute?

A: Verify that your PCB layout accommodates the maximum dimensions of both parts (6.40mm length, 0.70mm height for Panasonic). Confirm that your assembly process and test procedures do not include manufacturer-specific requirements that would exclude the substitute. Review your supply chain documentation to ensure the substitute meets any customer-specified component approval lists.