RCS2012F3923CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F3923CS is a 392 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	392 kOhms
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

Substitute parts for the RCS2012F3923CS are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 392 kOhms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match):

Package type: 0805 (2012 Metric)
Number of terminations: 2
Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)

Compliance Parameters (Must Match):

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Unaffected status

All four substitute parts meet these criteria and are therefore electrically and mechanically interchangeable with the RCS2012F3923CS in standard applications.

Parameter Comparison

Parameter	RCS2012F3923CS (Samsung)	CRCW0805392KFKEA (Vishay Dale)	ERJ-6ENF3923V (Panasonic)	RC0805FR-07392KL (YAGEO)	RMCF0805FT392K (Stackpole)
Resistance	392 kOhms	392 kOhms	392 kOhms	392 kOhms	392 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W	0.125W
Package	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
Height (Seated Max)	0.026" (0.66mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.024" (0.60mm)	0.026" (0.65mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
AEC-Q200 Rated	No	Yes	Yes	No	Yes

Engineering Selection Recommendations

Primary Selection (RCS2012F3923CS): The Samsung Electro-Mechanics RCS2012F3923CS remains the primary component choice when specified in original designs. It is Active product status with anti-sulfur and moisture-resistant features, ROHS3 compliant, and MSL 1 rated for unlimited shelf life.

Automotive Applications (AEC-Q200 Required): For automotive or high-reliability applications requiring AEC-Q200 qualification, select from:

CRCW0805392KFKEA (Vishay Dale)
ERJ-6ENF3923V (Panasonic Electronic Components)
RMCF0805FT392K (Stackpole Electronics Inc)

All three are automotive-grade thick film resistors with identical electrical specifications and ROHS3 compliance.

General Industrial Applications: For non-automotive applications, RC0805FR-07392KL (YAGEO) provides a direct substitute with moisture-resistant construction, ROHS3 compliance, and MSL 1 rating.

Height Consideration: All substitute parts have seated heights within 0.008" (0.20mm) of the original specification. CRCW0805392KFKEA offers the lowest profile at 0.020" (0.50mm), while ERJ-6ENF3923V has the highest at 0.028" (0.70mm). Verify PCB layout clearance requirements before selection.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805392KFKEA replace RCS2012F3923CS in any application?

A: Yes. CRCW0805392KFKEA matches all critical electrical parameters (392 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C), mechanical dimensions (0805 package), and compliance ratings (ROHS3, MSL 1). The primary difference is AEC-Q200 automotive qualification, which adds capability rather than limiting compatibility.

Q: What is the difference between the substitute parts?

A: All four substitutes share identical electrical specifications and package dimensions. The primary differences are: (1) AEC-Q200 automotive qualification status (Vishay, Panasonic, and Stackpole are qualified; YAGEO is not), (2) seated height variation (0.020" to 0.028"), and (3) packaging format (Vishay offers Cut Tape & Digi-Reel; others use Tape & Reel).

Q: Are there any compatibility issues with PCB assembly?

A: No compatibility issues exist for standard PCB assembly processes. All parts use identical 0805 (2012 Metric) package footprints with 2 terminations. Seated height variations are minor (within 0.008") and do not affect standard reflow soldering or component placement.

Q: Which substitute should I select for cost optimization?

A: Component selection based on cost must be evaluated against application requirements and supply chain factors. All substitutes are Active product status with high inventory availability. Consult current pricing and lead time data from authorized distributors.

Q: Is the anti-sulfur feature of RCS2012F3923CS critical for substitution?

A: The anti-sulfur feature is specific to the Samsung part. YAGEO RC0805FR-07392KL offers moisture-resistant construction. Vishay, Panasonic, and Stackpole parts do not specify anti-sulfur treatment. If anti-sulfur protection is a design requirement, confirm with the original design documentation before substitution.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. All parts share the identical operating temperature range of -55°C to 155°C and temperature coefficient of ±100ppm/°C. No derating or performance variation occurs across the specified temperature range.

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