RC6432F1270CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F1270CS is a 127 Ohms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film resistor is designed for general-purpose applications requiring moisture resistance and operates across the temperature range of -55°C to 155°C. The component maintains Active product status with 1096 pieces currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling procurement flexibility and supply chain continuity.

Substiute Parts

RC6432F1270CS

Samsung Electro-MechanicsIn Stock: 1114RC6432F1270CS Datasheet

Current PartRFQ

CRCW2512127RFKEG

Vishay DaleIn Stock: 17285CRCW2512127RFKEG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1270CS is determined by strict alignment of the following critical parameters:

Electrical Specifications: Resistance value (127 Ohms), 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 printed circuit board layouts.

Material & Composition: Thick film construction maintains consistent performance characteristics across substitute candidates.

Compliance & Certification: RoHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) are baseline requirements. Additional certifications such as AEC-Q200 automotive qualification do not disqualify substitution but indicate enhanced reliability for specific applications.

The CRCW2512127RFKEG manufactured by Vishay Dale satisfies all mandatory substitution criteria and is classified as an equivalent substitute part.

Parameter Comparison

Engineering Selection Recommendations

Both the RC6432F1270CS and CRCW2512127RFKEG are Active status components with full RoHS3 compliance and identical core electrical specifications. The CRCW2512127RFKEG carries AEC-Q200 automotive qualification, indicating enhanced reliability screening and suitability for automotive and high-reliability applications. Dimensional variations are minimal: width differs by 0.002" (0.05mm) and seated height by 0.002" (0.04mm), remaining within standard PCB layout tolerances for 2512 package footprints. Both components are supplied with Moisture Sensitivity Level 1 (Unlimited), eliminating moisture-related handling constraints. Selection between these parts should be based on supply availability, packaging format requirements (Tape & Reel for CRCW2512127RFKEG), and application-specific reliability standards.

Frequently Asked Questions (FAQ)

Q: Can CRCW2512127RFKEG directly replace RC6432F1270CS in existing designs?

A: Yes. Both components share identical electrical specifications (127 Ohms ±1%, 1W, ±100ppm/°C), operate across the same temperature range (-55°C ~ 155°C), and use the 2512 (6432 Metric) package. Dimensional differences (0.002" width, 0.002" height) are within standard PCB layout tolerances for this package class.

Q: What is the significance of AEC-Q200 certification on the CRCW2512127RFKEG?

A: AEC-Q200 indicates the component has undergone automotive-grade reliability testing and qualification. This certification does not alter electrical or mechanical compatibility but confirms enhanced screening and reliability for automotive and mission-critical applications.

Q: Are there packaging differences between these parts?

A: The RC6432F1270CS is supplied in standard packaging, while the CRCW2512127RFKEG is available in Tape & Reel (TR) format. Tape & Reel packaging is standard for automated assembly processes and does not affect component performance or compatibility.

Q: Do both parts require special moisture handling?

A: No. Both components carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity constraints. Standard handling and storage practices are sufficient.

Q: Are both parts RoHS compliant?

A: Yes. Both RC6432F1270CS and CRCW2512127RFKEG are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.