RC6432F1273CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F1273CS is a 127 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and maintains ROHS3 compliance. The part is currently in active production status with 679 units available in inventory. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component's functional requirements.

Substiute Parts

RC6432F1273CS

Samsung Electro-MechanicsIn Stock: 775RC6432F1273CS Datasheet

Current PartRFQ

CRCW2512127KFKEG

Vishay DaleIn Stock: 4763CRCW2512127KFKEG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1273CS is determined by strict alignment across the following critical parameters:

Electrical Specifications: Resistance value (127 kOhms), tolerance (±1%), and power rating (1W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (2512 / 6432 Metric) and number of terminations (2) ensure physical and electrical interface compatibility with PCB layouts designed for the original component.

Regulatory Compliance: RoHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) are mandatory for equivalent substitution in regulated applications.

Composition & Construction: Thick film construction maintains consistent performance characteristics across the specified operating envelope.

The CRCW2512127KFKEG from Vishay Dale satisfies all substitution criteria while adding automotive-grade AEC-Q200 qualification, representing a functionally equivalent alternative with enhanced reliability certification.

Parameter Comparison

Engineering Selection Recommendations

Both the RC6432F1273CS and CRCW2512127KFKEG meet the core electrical and mechanical requirements for direct substitution. Selection between these components should be based on application-specific requirements:

RC6432F1273CS (Samsung Electro-Mechanics): Select this component for standard industrial and consumer applications where moisture resistance is the primary environmental consideration. Active production status and 679-unit inventory availability support immediate procurement.

CRCW2512127KFKEG (Vishay Dale): Select this component for automotive applications or systems requiring AEC-Q200 qualification. The automotive-grade certification provides enhanced reliability assurance for demanding thermal and operational environments. Higher inventory availability (4739 units) supports volume production requirements.

Both components carry ROHS3 compliance and identical electrical specifications, ensuring functional equivalence within the specified operating temperature range of -55°C to 155°C.

Frequently Asked Questions (FAQ)

Q: Can CRCW2512127KFKEG replace RC6432F1273CS in existing PCB designs?

A: Yes. Both components share identical electrical specifications (127 kOhms ±1%, 1W), the same 2512 (6432 Metric) package designation, and compatible physical dimensions (0.248" length, width variance of 0.002", height difference of 0.002"). PCB layouts designed for the RC6432F1273CS accommodate the CRCW2512127KFKEG without modification.

Q: What is the significance of AEC-Q200 certification on the Vishay component?

A: AEC-Q200 is an automotive industry qualification standard that establishes reliability requirements for passive components in automotive applications. The CRCW2512127KFKEG meets this certification; the RC6432F1273CS does not carry this designation. Selection depends on whether the application requires automotive-grade qualification.

Q: Are there differences in moisture handling between these components?

A: Both components carry Moisture Sensitivity Level 1 (Unlimited), indicating equivalent moisture resistance performance. The RC6432F1273CS explicitly lists "Moisture Resistant" as a feature; the CRCW2512127KFKEG achieves the same MSL rating through its thick film construction and automotive qualification.

Q: What packaging formats are available for these components?

A: The RC6432F1273CS is supplied in standard packaging (format not specified in provided data). The CRCW2512127KFKEG is available in Tape & Reel (TR) format, which is standard for high-volume automated assembly operations.

Q: Do these components have identical temperature coefficients?

A: Yes. Both the RC6432F1273CS and CRCW2512127KFKEG maintain a temperature coefficient of ±100ppm/°C across the operating range of -55°C to 155°C, ensuring equivalent thermal stability performance.