RCS2012F3481CS Equivalent & Substitute Parts

Part Overview

The RCS2012F3481CS is a 3.48 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 properties. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Key Parameters

Parameter	Value
Resistance	3.48 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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F3481CS are qualified based on the following criteria:

Electrical Parameters: Resistance value of 3.48 kOhms, tolerance of ±1%, and power rating of 0.125W (1/8W) must be identical across all substitute candidates.

Mechanical Parameters: Package designation 0805 (2012 Metric) with two terminations is mandatory. Physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) must match.

Environmental & Thermal Specifications: Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C ~ 155°C must be maintained.

Compliance & Certifications: All substitute parts must maintain ROHS3 compliance, MSL 1 rating, and REACH Unaffected status. ECCN and HTSUS classifications remain consistent across all qualified substitutes.

Composition: Thick film construction is required for all substitute candidates.

Parameter Comparison

Parameter	RCS2012F3481CS (Samsung)	CRCW08053K48FKEA (Vishay Dale)	ERJ-6ENF3481V (Panasonic)	RC0805FR-073K48L (YAGEO)	RMCF0805FT3K48 (Stackpole)
Resistance	3.48 kOhms	3.48 kOhms	3.48 kOhms	3.48 kOhms	3.48 kOhms
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 ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
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)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

All four substitute parts (CRCW08053K48FKEA, ERJ-6ENF3481V, RC0805FR-073K48L, RMCF0805FT3K48) meet the core electrical and mechanical requirements for direct substitution with the RCS2012F3481CS.

CRCW08053K48FKEA (Vishay Dale): Carries AEC-Q200 automotive qualification. Seated height of 0.020" (0.50mm) is the lowest among all candidates, providing maximum PCB clearance margin. ROHS3 and MSL 1 compliant.

ERJ-6ENF3481V (Panasonic Electronic Components): Carries AEC-Q200 automotive qualification. Seated height of 0.028" (0.70mm) is the highest among candidates. ROHS3 and MSL 1 compliant. Highest inventory availability at 83,117 pieces.

RC0805FR-073K48L (YAGEO): Standard industrial-grade thick film resistor with moisture-resistant features. Seated height of 0.024" (0.60mm). ROHS3 and MSL 1 compliant. Highest inventory stock at 175,122 pieces.

RMCF0805FT3K48 (Stackpole Electronics Inc): Carries AEC-Q200 automotive qualification. Seated height of 0.026" (0.65mm) matches the original RCS2012F3481CS specification. ROHS3 and MSL 1 compliant.

Selection between these parts depends on application requirements: automotive-grade applications benefit from AEC-Q200 rated parts; standard industrial applications accept any of the four options; PCB layout constraints may favor lower-profile options such as CRCW08053K48FKEA.

Frequently Asked Questions (FAQ)

Q: Can CRCW08053K48FKEA replace RCS2012F3481CS in all applications?

A: CRCW08053K48FKEA meets all electrical and mechanical specifications. The primary difference is AEC-Q200 automotive qualification and lower seated height (0.020" vs 0.026"). Substitution is valid for applications where these differences do not create constraints.

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

A: Seated height ranges from 0.020" (CRCW08053K48FKEA) to 0.028" (ERJ-6ENF3481V). This variation affects PCB clearance and component stacking in high-density layouts. Verify PCB design clearance specifications before selection.

Q: Are all substitute parts ROHS3 compliant?

A: All four substitute parts carry ROHS3 compliance certification, matching the original RCS2012F3481CS specification.

Q: What does AEC-Q200 qualification indicate?

A: AEC-Q200 is an automotive industry standard qualification for passive components. CRCW08053K48FKEA, ERJ-6ENF3481V, and RMCF0805FT3K48 carry this certification. Non-automotive applications do not require this qualification.

Q: Is moisture sensitivity level identical across all parts?

A: All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used interchangeably in tape and reel packaging?

A: All substitute parts are supplied in Tape & Reel (TR) packaging format, compatible with standard pick-and-place assembly equipment.

Q: What is the tolerance specification for all parts?

A: All parts maintain ±1% tolerance on the 3.48 kOhms resistance value, ensuring equivalent circuit performance.

Q: Are there differences in temperature coefficient performance?

A: All parts specify ±100ppm/°C temperature coefficient with identical operating range of -55°C ~ 155°C, ensuring equivalent thermal performance.

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