RC6432F3920CS 392 Ohm 1W Chip Resistor 2512 Equivalent & Substitute Parts

Part Overview

The RC6432F3920CS is a 392 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 characteristics and ROHS3 compliance. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative qualified sources while maintaining electrical and mechanical compatibility within the specified parameter envelope.

Substiute Parts

RC6432F3920CS

Samsung Electro-MechanicsIn Stock: 1018RC6432F3920CS Datasheet

Current PartRFQ

CRCW2512392RFKEG

Vishay DaleIn Stock: 4748CRCW2512392RFKEG Datasheet

SimilarRFQ

RMCF2512FT392R

Stackpole Electronics IncIn Stock: 786RMCF2512FT392R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F3920CS is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters establish the substitution boundary:

Electrical Parameters (Non-Negotiable):

• Resistance: 392 Ohms exact value
• Tolerance: ±1% (substitutes must not exceed this tolerance window)
• Power Rating: 1W minimum (higher ratings acceptable)
• Temperature Coefficient: ±100ppm/°C (must match specification)
• Operating Temperature Range: -55°C to 155°C minimum coverage

Mechanical Parameters (Non-Negotiable):

• Package: 2512 (6432 Metric) - physical footprint and land pattern compatibility
• Composition: Thick Film technology
• Terminations: 2-terminal configuration

Compliance Parameters:

• RoHS3 Compliant status required
• MSL 1 rating acceptable (no moisture sensitivity restrictions)

Substitute parts CRCW2512392RFKEG and RMCF2512FT392R meet all critical parameters and are therefore direct functional equivalents. Both substitute parts carry AEC-Q200 automotive qualification, which represents an additional quality assurance level beyond the base specification.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (RC6432F3920CS - Samsung Electro-Mechanics): Select the original Samsung part when supply is available and cost is not a primary constraint. This part carries Active product status with established manufacturing continuity and moisture resistant features.

Secondary Selection (RMCF2512FT392R - Stackpole Electronics Inc): The Stackpole RMCF2512FT392R is functionally equivalent with identical physical dimensions (0.248" L x 0.126" W) and electrical specifications. This part carries AEC-Q200 automotive qualification, indicating enhanced reliability screening and quality assurance protocols. Select when Samsung supply is constrained and automotive-grade reliability assurance is beneficial.

Tertiary Selection (CRCW2512392RFKEG - Vishay Dale): The Vishay Dale CRCW2512392RFKEG meets all electrical and mechanical requirements with AEC-Q200 automotive qualification. Physical dimensions are within acceptable tolerance (0.248" L x 0.124" W versus 0.248" L x 0.126" W specification), with maximum seated height of 0.028" (0.70mm). Select when Stackpole supply is unavailable and Vishay inventory is accessible.

Compliance Verification: All three parts maintain ROHS3 compliance, MSL 1 rating, and identical ECCN/HTSUS classifications, ensuring regulatory and export control compatibility across substitution scenarios.

Frequently Asked Questions (FAQ)

Q: Can CRCW2512392RFKEG be used as a direct replacement for RC6432F3920CS?

A: Yes. Both parts share identical electrical specifications (392 Ohms ±1%, 1W, ±100ppm/°C, -55°C to 155°C operating range) and 2512 package footprint. Physical width differs by 0.002" (0.05mm), which is within standard PCB land pattern tolerances. Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between the substitute parts?

A: RMCF2512FT392R and CRCW2512392RFKEG are electrically and mechanically identical. Both carry AEC-Q200 automotive qualification. Primary differences are manufacturer (Stackpole vs. Vishay Dale) and packaging format (both supplied as Tape & Reel). Selection depends on supply chain availability and preferred supplier relationships.

Q: Are the AEC-Q200 qualified substitutes suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents additional quality assurance and reliability screening beyond standard specifications. These parts are fully compatible with non-automotive applications and may provide enhanced reliability margins.

Q: What is the significance of the 0.002" width difference between CRCW2512392RFKEG and the original part?

A: The width difference (0.124" vs. 0.126") is within standard manufacturing tolerance for 2512 package components and does not affect PCB land pattern compatibility. Both parts are designed for identical 2512 footprints and will function identically in circuit applications.

Q: Can these parts be intermixed in production?

A: Yes, provided design documentation permits multi-source qualification. All three parts meet identical electrical specifications, package requirements, and compliance standards. Intermixing requires verification that PCB assembly processes accommodate the maximum seated height variation (0.026" to 0.028").

Q: What is MSL 1 rating and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with no moisture sensitivity restrictions. These parts require no special drying or baking procedures prior to assembly, simplifying inventory management and reducing production constraints.