RC6432F7872CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F7872CS is a 78.7 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. 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 934 units currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring this specific resistance value and power rating.

Key Parameters

Parameter	Value
Resistance	78.7 kOhms
Tolerance	±1%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F7872CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 78.7 kOhms
Tolerance: ±1%
Power rating: 1W
Package type: 2512 (6432 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Number of terminations: 2
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

The identified substitute parts CRCW251278K7FKEG (Vishay Dale) and RMCF2512FT78K7 (Stackpole Electronics Inc) meet all mandatory parameters. Both substitutes are manufactured thick film resistors with identical electrical specifications and package dimensions. Dimensional variations within manufacturing tolerances do not affect functional interchangeability in standard PCB assembly processes.

Parameter Comparison

Parameter	RC6432F7872CS (Samsung)	CRCW251278K7FKEG (Vishay Dale)	RMCF2512FT78K7 (Stackpole)
Resistance	78.7 kOhms	78.7 kOhms	78.7 kOhms
Tolerance	±1%	±1%	±1%
Power (Watts)	1W	1W	1W
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
Package / Case	2512 (6432 Metric)	2512 (6432 Metric)	2512 (6432 Metric)
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)
Product Status	Active	Active	Active

Engineering Selection Recommendations

All three parts—RC6432F7872CS, CRCW251278K7FKEG, and RMCF2512FT78K7—are Active products with full ROHS3 compliance and REACH unaffected status. Selection among these equivalents should be based on:

Availability and Lead Time: RMCF2512FT78K7 (Stackpole) offers the highest inventory level at 10,550 units, followed by CRCW251278K7FKEG (Vishay Dale) at 2,653 units, and RC6432F7872CS (Samsung) at 934 units.

Application-Specific Certifications: CRCW251278K7FKEG and RMCF2512FT78K7 both carry AEC-Q200 automotive qualification ratings. Applications requiring automotive-grade components should prioritize these substitutes.

Packaging Format: RC6432F7872CS is supplied in standard packaging, while both CRCW251278K7FKEG and RMCF2512FT78K7 are supplied in Tape & Reel (TR) format, which is standard for high-volume manufacturing environments.

Dimensional Tolerance: All parts are mechanically compatible within standard PCB assembly tolerances. The maximum seated height variation (0.66mm to 0.70mm) does not affect placement or soldering processes.

Frequently Asked Questions (FAQ)

Q: Can CRCW251278K7FKEG or RMCF2512FT78K7 be used as direct replacements for RC6432F7872CS?

A: Yes. Both parts are electrically and mechanically equivalent. They share identical resistance (78.7 kOhms), tolerance (±1%), power rating (1W), package type (2512), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All three parts are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between the three parts?

A: The primary differences are manufacturer identity, packaging format, and optional certifications. CRCW251278K7FKEG and RMCF2512FT78K7 include AEC-Q200 automotive qualification; RC6432F7872CS includes moisture-resistant features. All are functionally equivalent for standard applications.

Q: Are there dimensional differences that affect PCB assembly?

A: Dimensional variations are minimal and within standard manufacturing tolerances. Width differs by 0.002" (0.05mm) between RC6432F7872CS and CRCW251278K7FKEG. Maximum seated height ranges from 0.66mm to 0.70mm. These variations do not impact standard reflow soldering or automated placement processes.

Q: Which part should be selected for automotive applications?

A: CRCW251278K7FKEG (Vishay Dale) or RMCF2512FT78K7 (Stackpole Electronics Inc) are recommended for automotive applications due to AEC-Q200 qualification. RC6432F7872CS does not carry this certification.

Q: What is the significance of Tape & Reel packaging?

A: Tape & Reel (TR) packaging is standard for automated PCB assembly lines and high-volume production. CRCW251278K7FKEG and RMCF2512FT78K7 are supplied in this format. RC6432F7872CS uses standard packaging, suitable for manual assembly or lower-volume applications.

Q: Are all three parts currently in stock?

A: Yes. RC6432F7872CS: 934 units; CRCW251278K7FKEG: 2,653 units; RMCF2512FT78K7: 10,550 units. RMCF2512FT78K7 offers the highest availability.

Q: Do these parts have any environmental or regulatory restrictions?

A: All three parts are ROHS3 compliant and REACH unaffected. ECCN classification is EAR99 for all parts. HTSUS code is 8533.21.0030 for all parts. No additional environmental or regulatory restrictions apply.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message