RC6432F12R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F12R1CS is a 12.1 Ohms ±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 with moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and consumer applications requiring precision resistive elements in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit designs.

Substiute Parts

RC6432F12R1CS

Samsung Electro-MechanicsIn Stock: 676RC6432F12R1CS Datasheet

Current PartRFQ

CRCW251212R1FKEG

Vishay DaleIn Stock: 2190CRCW251212R1FKEG Datasheet

SimilarRFQ

RMCF2512FT12R1

Stackpole Electronics IncIn Stock: 44825RMCF2512FT12R1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F12R1CS are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

Electrical Parameters (Must Match Exactly):

• Resistance value: 12.1 Ohms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package type: 2512 (6432 Metric)
• Number of terminations: 2
• Physical dimensions compatible with 0.248" L x 0.126" W footprint

Compliance Parameters (Must Match or Exceed):

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

The identified substitute parts CRCW251212R1FKEG (Vishay Dale) and RMCF2512FT12R1 (Stackpole Electronics Inc) meet all critical electrical, mechanical, and compliance requirements for direct substitution in the RC6432F12R1CS application.

Parameter Comparison

Engineering Selection Recommendations

All three parts—RC6432F12R1CS, CRCW251212R1FKEG, and RMCF2512FT12R1—are Active product status components with full ROHS3 compliance and REACH unaffected certification. They are electrically and mechanically equivalent for 12.1 Ohm ±1% 1W resistive applications in the 2512 package.

RC6432F12R1CS (Samsung Electro-Mechanics): Features moisture resistant characteristics. Suitable for general industrial applications. Current inventory: 662 pieces.

CRCW251212R1FKEG (Vishay Dale): Includes automotive AEC-Q200 qualification, indicating enhanced reliability for automotive-grade applications. Supplied in Tape & Reel packaging. Current inventory: 2100 pieces.

RMCF2512FT12R1 (Stackpole Electronics Inc): Includes automotive AEC-Q200 qualification. Supplied in Tape & Reel packaging. Highest current inventory availability: 44,764 pieces.

Selection between these parts depends on application requirements (automotive vs. general industrial), packaging preference (bulk vs. tape & reel), and supply chain availability. All parts satisfy identical electrical and mechanical specifications for direct circuit substitution.

Frequently Asked Questions (FAQ)

Q: Can CRCW251212R1FKEG or RMCF2512FT12R1 be used as direct replacements for RC6432F12R1CS?

A: Yes. All three parts share identical electrical specifications (12.1 Ohms ±1%, 1W, ±100ppm/°C, -55°C ~ 155°C), identical package type (2512/6432 Metric), and equivalent compliance certifications (ROHS3, MSL 1, REACH unaffected). They are functionally interchangeable in circuit designs.

Q: What is the difference between the RC6432F12R1CS and the automotive-qualified substitutes?

A: The RC6432F12R1CS is specified as moisture resistant for general industrial use. The CRCW251212R1FKEG and RMCF2512FT12R1 carry AEC-Q200 automotive qualification, indicating they meet additional reliability and testing standards for automotive applications. Both substitute parts are suitable for general industrial applications as well.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist. The RC6432F12R1CS and RMCF2512FT12R1 share identical length and width (0.248" L x 0.126" W). The CRCW251212R1FKEG has a slightly narrower width (0.124" W vs. 0.126" W). All three parts have compatible 2512 package footprints. Height differences (0.026" to 0.028" seated maximum) are within standard PCB assembly tolerances.

Q: Which substitute part has the best availability?

A: RMCF2512FT12R1 (Stackpole Electronics Inc) has the highest current inventory at 44,764 pieces. CRCW251212R1FKEG (Vishay Dale) has 2100 pieces available. RC6432F12R1CS (Samsung) has 662 pieces in stock.

Q: Are all parts supplied in the same packaging format?

A: RC6432F12R1CS packaging is listed as standard. CRCW251212R1FKEG and RMCF2512FT12R1 are supplied in Tape & Reel (TR) format, which is standard for high-volume surface-mount assembly operations.

Q: Do these parts have identical temperature coefficients?

A: Yes. All three parts have a temperature coefficient of ±100ppm/°C and operate across the identical temperature range of -55°C ~ 155°C.