RC6432F1401CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F1401CS is a 1.4 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. The part is currently in active production status with 631 pieces available in inventory. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or alternative packaging formats.

Substiute Parts

RC6432F1401CS

Samsung Electro-MechanicsIn Stock: 687RC6432F1401CS Datasheet

Current PartRFQ

CRCW25121K40FKEG

Vishay DaleIn Stock: 2684CRCW25121K40FKEG Datasheet

SimilarRFQ

RMCF2512FT1K40

Stackpole Electronics IncIn Stock: 13251RMCF2512FT1K40 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1401CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.4 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Package / Case: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Moisture sensitivity level: 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant

Allowable Variations:

• Manufacturer identity (different suppliers)
• Packaging format (Cut Tape, Digi-Reel, Tape & Reel)
• Additional certifications (AEC-Q200 automotive qualification)
• Physical dimensions within tolerance (length, width, height seated maximum)
• Inventory availability

The identified substitute parts meet all mandatory electrical and environmental specifications while offering alternative sourcing options and, in certain cases, enhanced automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

RC6432F1401CS (Samsung Electro-Mechanics) Select this part when Samsung-specific sourcing is required or when the standard moisture-resistant thick film specification without automotive qualification is sufficient. Active production status and ROHS3 compliance support general industrial applications.

CRCW25121K40FKEG (Vishay Dale) This substitute is suitable for applications requiring AEC-Q200 automotive qualification with Cut Tape or Digi-Reel packaging options. Vishay Dale's automotive-grade certification extends component reliability for automotive and harsh-environment applications. Higher inventory availability (2654 pieces) supports larger production runs.

RMCF2512FT1K40 (Stackpole Electronics Inc) This substitute offers AEC-Q200 automotive qualification in Tape & Reel format, optimized for high-volume automated assembly. Stackpole's extensive inventory (13230 pieces) provides superior supply chain security. Identical electrical specifications and physical dimensions to the main part ensure direct functional equivalence.

All three parts maintain identical electrical performance, temperature stability, and environmental compliance. Selection between them depends on packaging preference, automotive qualification requirement, and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can CRCW25121K40FKEG replace RC6432F1401CS in all applications? A: Yes, provided the application does not prohibit the slightly increased seated height (0.028" versus 0.026"). The CRCW25121K40FKEG meets all electrical and environmental specifications. The AEC-Q200 automotive qualification is an additional feature that does not restrict use in non-automotive applications.

Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Cut Tape (CT) and Digi-Reel packaging are suitable for lower-volume or manual assembly processes. Tape & Reel (TR) format is optimized for high-speed automated pick-and-place assembly. All formats contain identical components; packaging selection depends on assembly methodology.

Q: Are the physical dimension variations between parts significant? A: The width variation (0.126" versus 0.124") and height variation (0.026" versus 0.028") are within standard PCB layout tolerances for 2512 package components. Verify PCB footprint clearance if space constraints exist. Both dimensions remain within the 2512 (6432 Metric) specification envelope.

Q: Does AEC-Q200 certification affect cost or lead time? A: AEC-Q200 certification indicates automotive-grade qualification and typically involves enhanced testing and traceability. Cost and lead time implications depend on supplier and order volume. Stackpole RMCF2512FT1K40 shows higher inventory availability, potentially supporting shorter lead times.

Q: Can these parts be used interchangeably on the same PCB assembly? A: Yes. All three parts share identical electrical specifications, temperature coefficients, operating ranges, and package designations. Physical dimensions are within acceptable tolerance for standard 2512 footprints. No design changes are required for substitution.

Q: What is MSL 1 (Unlimited) and why does it matter? A: Moisture Sensitivity Level 1 (Unlimited) indicates the component requires no special moisture-control handling during storage or assembly. All three parts carry this specification, eliminating moisture-related procurement or storage constraints.