RCS2012F52R3CS Equivalent & Substitute Parts

Part Overview

The RCS2012F52R3CS is a 52.3 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) package format. This component features anti-sulfur and moisture-resistant construction with operating temperature range of -55°C to 155°C. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and package compatibility are maintained across alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	52.3 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F52R3CS is determined by strict equivalence across the following parameters:

Resistance Value: 52.3 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Power Rating: 0.125W / 1/8W (exact match required)
Package Format: 0805 (2012 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C to 155°C (exact match required)
Termination Count: 2 (exact match required)
Compliance: ROHS3 Compliant, MSL 1 (Unlimited)

All identified substitute parts meet these criteria. Additional features such as automotive AEC-Q200 qualification or enhanced moisture resistance represent supplementary certifications that do not disqualify substitution but indicate enhanced application scope.

Parameter Comparison

Parameter	RCS2012F52R3CS (Samsung)	CRCW080552R3FKEA (Vishay Dale)	ERJ-6ENF52R3V (Panasonic)	RC0805FR-0752R3L (YAGEO)	RMCF0805FT52R3 (Stackpole)
Resistance	52.3 Ohms	52.3 Ohms	52.3 Ohms	52.3 Ohms	52.3 Ohms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C
Terminations	2	2	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Height - Seated (Max)	0.026" (0.66mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.024" (0.60mm)	0.026" (0.65mm)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All four substitute parts are functionally equivalent to the RCS2012F52R3CS based on electrical and mechanical specifications. Selection among alternatives should be based on the following factors:

CRCW080552R3FKEA (Vishay Dale): Automotive AEC-Q200 qualified. Lowest seated height at 0.020" (0.50mm). Suitable for applications requiring automotive-grade reliability and space-constrained PCB layouts.

ERJ-6ENF52R3V (Panasonic Electronic Components): Automotive AEC-Q200 qualified. Highest inventory availability at 45,799 pieces. Highest seated height at 0.028" (0.70mm). Suitable for high-volume production and automotive applications.

RC0805FR-0752R3L (YAGEO): Moisture-resistant construction matching the original part's environmental protection features. Mid-range seated height at 0.024" (0.60mm). Suitable for applications prioritizing moisture resistance without automotive qualification requirements.

RMCF0805FT52R3 (Stackpole Electronics Inc): Automotive AEC-Q200 qualified. Seated height of 0.026" (0.65mm) matching the original part. Suitable for automotive applications requiring dimensional consistency with the original design.

All parts maintain ROHS3 compliance, MSL 1 rating, and identical electrical performance across the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can CRCW080552R3FKEA replace RCS2012F52R3CS in non-automotive applications?

A: Yes. The CRCW080552R3FKEA meets all electrical and mechanical specifications required for direct substitution. The AEC-Q200 automotive qualification is an additional certification that does not restrict use in non-automotive circuits.

Q: What is the significance of the height differences among substitute parts?

A: Seated height variations (0.020" to 0.028") are within typical 0805 package tolerances. Height differences may affect PCB clearance in space-constrained designs. Verify PCB layout constraints before selection if height is a critical design parameter.

Q: Are all substitute parts available in Tape & Reel (TR) packaging?

A: Yes. All identified substitute parts are supplied in Tape & Reel packaging format, consistent with the original RCS2012F52R3CS packaging specification.

Q: Do substitute parts with AEC-Q200 qualification cost more?

A: Cost comparison is not provided in the technical specifications. Contact suppliers directly for pricing information on CRCW080552R3FKEA, ERJ-6ENF52R3V, and RMCF0805FT52R3.

Q: Can I use ERJ-6ENF52R3V if the original design specified anti-sulfur protection?

A: The ERJ-6ENF52R3V specifications provided do not explicitly list anti-sulfur features. The RC0805FR-0752R3L explicitly includes moisture-resistant construction. Verify environmental protection requirements with the component manufacturer if anti-sulfur protection is mandatory for your application.

Q: Are all parts REACH compliant?

A: Yes. All identified parts, including the original RCS2012F52R3CS, are listed as REACH Unaffected.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message