RCS2012F1401CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F1401CS is a 1.4 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 characteristics. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements, enabling direct replacement in circuit applications without design modification.

Key Parameters

Parameter	Specification
Resistance Value	1.4 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package Type	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 RCS2012F1401CS are qualified based on the following criteria:

Electrical Parameters (Critical):

Resistance value: 1.4 kOhms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters (Critical):

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

Compliance Parameters:

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

All identified substitute parts meet these criteria and are manufactured by recognized suppliers with Active product status.

Parameter Comparison

Parameter	RCS2012F1401CS (Samsung)	CRCW08051K40FKEA (Vishay Dale)	ERJ-6ENF1401V (Panasonic)	RC0805FR-071K4L (YAGEO)
Resistance	1.4 kOhms	1.4 kOhms	1.4 kOhms	1.4 kOhms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W
Package	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±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
Dimensions (L x W)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)	0.079" x 0.049" (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.024" (0.60mm)
Terminations	2	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

CRCW08051K40FKEA (Vishay Dale): This substitute carries AEC-Q200 automotive qualification. Selection is appropriate for applications requiring automotive-grade reliability. Seated height of 0.020" (0.50mm) is lower than the original component, suitable for space-constrained PCB layouts.

ERJ-6ENF1401V (Panasonic Electronic Components): This substitute carries AEC-Q200 automotive qualification. Selection is appropriate for automotive and industrial applications. Seated height of 0.028" (0.70mm) is higher than the original component; verify clearance in confined mounting areas.

RC0805FR-071K4L (YAGEO): This substitute maintains moisture-resistant characteristics consistent with the original RCS2012F1401CS. Seated height of 0.024" (0.60mm) provides intermediate profile. Selection is appropriate for general industrial and consumer applications.

All substitute parts maintain identical electrical specifications, package dimensions, and compliance certifications. Selection among substitutes depends on application requirements, supply chain availability, and specific automotive or industrial qualification needs.

Frequently Asked Questions (FAQ)

Q: Can CRCW08051K40FKEA replace RCS2012F1401CS in any application?

A: CRCW08051K40FKEA meets all electrical and mechanical specifications for direct substitution. The component carries AEC-Q200 automotive qualification, which exceeds the original component's specifications. Verify PCB layout clearance, as seated height is 0.020" (0.50mm) compared to the original 0.026" (0.66mm).

Q: What is the difference between ERJ-6ENF1401V and RC0805FR-071K4L?

A: Both components share identical electrical specifications and package dimensions. ERJ-6ENF1401V carries AEC-Q200 automotive qualification; RC0805FR-071K4L does not. ERJ-6ENF1401V seated height is 0.028" (0.70mm); RC0805FR-071K4L is 0.024" (0.60mm). Selection depends on application requirements and available inventory.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (CRCW08051K40FKEA, ERJ-6ENF1401V, RC0805FR-071K4L) are ROHS3 Compliant with MSL rating of 1 (Unlimited) and REACH Unaffected status, matching the original RCS2012F1401CS compliance profile.

Q: Does seated height variation affect PCB assembly?

A: Seated height differences range from 0.020" to 0.028" (0.50mm to 0.70mm). Verify PCB design clearance specifications. For applications with tight vertical constraints, CRCW08051K40FKEA (0.020" maximum) provides the lowest profile. Standard PCB designs typically accommodate this variation without modification.

Q: Can these substitutes be used interchangeably in production?

A: All substitute parts meet identical electrical and mechanical specifications for the 0805 package. Interchangeability is confirmed for resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. Verify supplier availability and lead times for production planning.

Q: What is the significance of AEC-Q200 qualification on substitute parts?

A: AEC-Q200 is an automotive industry qualification standard. CRCW08051K40FKEA and ERJ-6ENF1401V carry this certification, indicating suitability for automotive applications. RC0805FR-071K4L does not carry this qualification. Selection depends on application environment requirements.

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