RC6432F12R7CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F12R7CS is a 12.7 Ohm ±1% 1W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This component is classified as Active product status and features moisture-resistant construction suitable for general industrial applications. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility is required while maintaining electrical and mechanical compatibility within specified tolerances.

Substiute Parts

RC6432F12R7CS
Samsung Electro-MechanicsIn Stock: 1095RC6432F12R7CS Datasheet
RC6432F12R7CS
Current Part
CRCW251212R7FKEG
Vishay DaleIn Stock: 5763CRCW251212R7FKEG Datasheet
CRCW251212R7FKEG
Similar
RMCF2512FT12R7
Stackpole Electronics IncIn Stock: 4640RMCF2512FT12R7 Datasheet
RMCF2512FT12R7
Similar

Key Parameters

Parameter Value Specification Basis
Resistance 12.7 Ohms Exact match required
Tolerance ±1% Exact match required
Power Rating 1W Exact match required
Package / Case 2512 (6432 Metric) Exact match required
Composition Thick Film Exact match required
Temperature Coefficient ±100ppm/°C Exact match required
Operating Temperature Range -55°C ~ 155°C Exact match required
Number of Terminations 2 Exact match required
RoHS Status ROHS3 Compliant Compliance requirement
Moisture Sensitivity Level 1 (Unlimited) Storage and handling

Substitute Part Grouping Explanation

Substitute parts for the RC6432F12R7CS are qualified based on the following substitution criteria:

Electrical Parameters (Mandatory Match):

  • Resistance value: 12.7 Ohms
  • Tolerance: ±1%
  • Power rating: 1W
  • Temperature coefficient: ±100ppm/°C
  • Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Mandatory Match):

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

Compliance Parameters (Mandatory Match):

  • RoHS3 compliance
  • Moisture sensitivity level: 1 (Unlimited)
  • REACH unaffected status

All identified substitute parts meet these criteria. Additional features such as automotive AEC-Q200 qualification represent enhanced specifications that do not prevent substitution but indicate expanded application scope.

Parameter Comparison

Parameter RC6432F12R7CS (Samsung) CRCW251212R7FKEG (Vishay Dale) RMCF2512FT12R7 (Stackpole)
Manufacturer Samsung Electro-Mechanics Vishay Dale Stackpole Electronics Inc
Resistance 12.7 Ohms 12.7 Ohms 12.7 Ohms
Tolerance ±1% ±1% ±1%
Power Rating 1W 1W 1W
Package / Case 2512 (6432 Metric) 2512 (6432 Metric) 2512 (6432 Metric)
Composition Thick Film Thick Film Thick Film
Temperature Coefficient ±100ppm/°C ±100ppm/°C ±100ppm/°C
Operating Temperature -55°C ~ 155°C -55°C ~ 155°C -55°C ~ 155°C
Size / Dimension 0.248" L x 0.126" W (6.30mm x 3.20mm) 0.248" L x 0.124" W (6.30mm x 3.15mm) 0.248" L x 0.126" W (6.30mm x 3.20mm)
Height - Seated (Max) 0.026" (0.66mm) 0.028" (0.70mm) 0.028" (0.70mm)
Number of Terminations 2 2 2
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected
Product Status Active Active Active
Features Moisture Resistant Automotive AEC-Q200 Automotive AEC-Q200

Engineering Selection Recommendations

Primary Selection Criteria:

All three parts—RC6432F12R7CS, CRCW251212R7FKEG, and RMCF2512FT12R7—are electrically and mechanically equivalent for applications requiring a 12.7 Ohm ±1% 1W thick film chip resistor in 2512 package format. Selection between these parts is based on availability, supply chain considerations, and application-specific requirements.

Compliance Alignment:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across industrial and commercial applications. Moisture sensitivity level 1 (unlimited) is consistent across all parts, eliminating moisture-related handling restrictions.

Feature Differentiation:

The RC6432F12R7CS features moisture-resistant construction. The CRCW251212R7FKEG and RMCF2512FT12R7 both carry automotive AEC-Q200 qualification, indicating enhanced reliability standards for automotive applications. This qualification does not restrict use in non-automotive applications and represents an expanded capability set.

Dimensional Considerations:

The RC6432F12R7CS and RMCF2512FT12R7 share identical length and width dimensions (0.248" L x 0.126" W). The CRCW251212R7FKEG width is 0.124" (3.15mm) versus 0.126" (3.20mm) for the other two parts. Maximum seated heights differ slightly: RC6432F12R7CS at 0.026" (0.66mm) versus 0.028" (0.70mm) for both substitute parts. These dimensional variations remain within standard PCB layout tolerances for 2512 package footprints.

Active Product Status:

All three parts maintain Active product status, confirming ongoing manufacturing and availability through authorized distributors.

Frequently Asked Questions (FAQ)

Q: Can CRCW251212R7FKEG replace RC6432F12R7CS in any application?

A: Yes. Both parts meet identical electrical specifications (12.7 Ohms ±1%, 1W, ±100ppm/°C, -55°C ~ 155°C) and mechanical requirements (2512 package, 2 terminations, thick film composition). The width dimension difference (0.124" versus 0.126") and height difference (0.028" versus 0.026" maximum seated height) are within standard PCB layout tolerances for this package class. Automotive AEC-Q200 qualification on the Vishay part represents enhanced capability without restricting general-purpose use.

Q: Can RMCF2512FT12R7 replace RC6432F12R7CS in any application?

A: Yes. The RMCF2512FT12R7 matches all electrical parameters and maintains identical length and width dimensions (0.248" L x 0.126" W) to the RC6432F12R7CS. Maximum seated height is 0.028" (0.70mm) versus 0.026" (0.66mm) for the Samsung part. This height difference is within standard PCB layout tolerances. Automotive AEC-Q200 qualification represents expanded application scope without restricting general-purpose use.

Q: Are there packaging differences between these parts?

A: The RC6432F12R7CS packaging is listed as "-" (not specified in provided data). The CRCW251212R7FKEG is supplied in Tape & Reel (TR) format. The RMCF2512FT12R7 is supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for automated assembly processes and does not affect electrical or mechanical compatibility.

Q: Do all three parts have the same moisture sensitivity requirements?

A: Yes. All three parts are classified as Moisture Sensitivity Level 1 (Unlimited), indicating no moisture-related storage or handling restrictions. This classification is consistent across RC6432F12R7CS, CRCW251212R7FKEG, and RMCF2512FT12R7.

Q: What is the significance of AEC-Q200 qualification on the substitute parts?

A: AEC-Q200 is an automotive industry standard for passive components. The CRCW251212R7FKEG and RMCF2512FT12R7 carry this qualification, indicating compliance with automotive reliability and testing requirements. This qualification does not restrict use in non-automotive applications and represents an enhanced specification level suitable for demanding environments.

Q: Are all three parts RoHS3 compliant?

A: Yes. RC6432F12R7CS, CRCW251212R7FKEG, and RMCF2512FT12R7 are all ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for industrial and commercial applications.

Q: What is the practical impact of the dimensional differences between these parts?

A: The dimensional variations (width: 0.124" to 0.126"; height: 0.026" to 0.028" maximum seated) are within standard PCB layout tolerances for 2512 package footprints. These differences do not affect electrical performance or mechanical fit in standard applications. PCB design files using standard 2512 footprints accommodate all three parts without modification.

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