RC6432F1871CS Equivalent & Substitute Parts

Part Overview

The RC6432F1871CS is a 1.87 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film resistor features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 709 units currently in stock. Substitute parts are identified to address inventory availability, lead time constraints, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

RC6432F1871CS

Samsung Electro-MechanicsIn Stock: 808RC6432F1871CS Datasheet

Current PartRFQ

CRCW25121K87FKEG

Vishay DaleIn Stock: 4960CRCW25121K87FKEG Datasheet

SimilarRFQ

RMCF2512FT1K87

Stackpole Electronics IncIn Stock: 4110RMCF2512FT1K87 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1871CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 1.87 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters:

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

Compliance Parameters:

• RoHS3 Compliant status
• Moisture Sensitivity Level: 1 (Unlimited)

The identified substitute parts CRCW25121K87FKEG (Vishay Dale) and RMCF2512FT1K87 (Stackpole Electronics Inc) meet all electrical and mechanical requirements. Both substitutes are manufactured to the same resistance value, tolerance, power rating, and package specification. Both maintain identical temperature coefficients and operating temperature ranges. All parts comply with ROHS3 requirements and share MSL Level 1 classification.

Parameter Comparison

Engineering Selection Recommendations

All three parts—RC6432F1871CS, CRCW25121K87FKEG, and RMCF2512FT1K87—are electrically and mechanically equivalent and maintain Active product status. Selection between these parts is based on availability and supply chain considerations:

RC6432F1871CS (Samsung Electro-Mechanics): Primary choice with 709 units in stock. Moisture-resistant thick film construction. ROHS3 compliant with MSL Level 1 rating.

CRCW25121K87FKEG (Vishay Dale): Qualified substitute with 4900 units available. Includes AEC-Q200 automotive qualification. Tape & Reel packaging. ROHS3 compliant with MSL Level 1 rating.

RMCF2512FT1K87 (Stackpole Electronics Inc): Qualified substitute with 4009 units available. Includes AEC-Q200 automotive qualification. Tape & Reel packaging. ROHS3 compliant with MSL Level 1 rating.

All parts satisfy identical electrical specifications and environmental compliance requirements. The substitute parts offer higher inventory availability and automotive-grade qualification through AEC-Q200 certification.

Frequently Asked Questions (FAQ)

Q: Can CRCW25121K87FKEG or RMCF2512FT1K87 be used as direct replacements for RC6432F1871CS?

A: Yes. Both substitute parts match the RC6432F1871CS across all critical electrical parameters (1.87 kOhms, ±1% tolerance, 1W power rating, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and mechanical specifications (2512 package, 2 terminations, thick film composition). All three parts are ROHS3 compliant with MSL Level 1 classification.

Q: What is the difference between the Samsung part and the Vishay/Stackpole substitutes?

A: The primary differences are manufacturer identity and packaging format. The Samsung RC6432F1871CS is supplied in standard packaging, while CRCW25121K87FKEG and RMCF2512FT1K87 are supplied in Tape & Reel format. The Vishay and Stackpole parts include AEC-Q200 automotive qualification, which the Samsung part does not specify. Electrical and mechanical performance are identical.

Q: Are there any dimensional differences between these parts?

A: Dimensional specifications are nearly identical. All parts conform to the 2512 (6432 Metric) package standard with length 0.248" (6.30mm) and width between 0.124" to 0.126" (3.15mm to 3.20mm). Maximum seated heights range from 0.026" to 0.028" (0.66mm to 0.70mm), which falls within standard PCB assembly tolerances.

Q: Which part should be selected for automotive applications?

A: CRCW25121K87FKEG and RMCF2512FT1K87 both carry AEC-Q200 automotive qualification. Either substitute is appropriate for automotive applications. The RC6432F1871CS does not specify automotive qualification.

Q: Are all three parts RoHS compliant?

A: Yes. RC6432F1871CS, CRCW25121K87FKEG, and RMCF2512FT1K87 are all ROHS3 compliant. All three parts are REACH unaffected and classified under ECCN EAR99.

Q: What does MSL Level 1 mean for these resistors?

A: MSL (Moisture Sensitivity Level) Level 1 indicates unlimited shelf life without moisture control requirements. These parts do not require special moisture-barrier packaging or baking procedures prior to assembly.