RCS2012F11R8CS Equivalent & Substitute Parts

Part Overview

The RCS2012F11R8CS is a 11.8 Ohm ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status and is designed for general-purpose resistive applications requiring anti-sulfur and moisture-resistant characteristics. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resistance	11.8 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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F11R8CS is determined by strict equivalence across the following parameters: resistance value (11.8 Ohms), tolerance (±1%), power rating (0.125W), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1). All identified substitute parts meet these core electrical and mechanical requirements. Variations in height-seated maximum dimension and specific feature sets (anti-sulfur versus automotive AEC-Q200 qualification) do not disqualify substitution when all primary parameters align.

Parameter Comparison

Parameter	RCS2012F11R8CS (Samsung)	CRCW080511R8FKEA (Vishay Dale)	ERJ-6ENF11R8V (Panasonic)	RC0805FR-0711R8L (YAGEO)
Resistance	11.8 Ohms	11.8 Ohms	11.8 Ohms	11.8 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W
Package / Case	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 ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.024" (0.60mm)
Number of Terminations	2	2	2	2
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All three substitute parts—CRCW080511R8FKEA (Vishay Dale), ERJ-6ENF11R8V (Panasonic), and RC0805FR-0711R8L (YAGEO)—are functionally equivalent to the RCS2012F11R8CS and maintain Active product status. Selection among these alternatives is based on application-specific requirements and compliance certifications:

CRCW080511R8FKEA (Vishay Dale) carries AEC-Q200 automotive qualification, making it suitable for automotive and high-reliability applications. This part features the lowest seated height (0.020" / 0.50mm) among the substitutes.

ERJ-6ENF11R8V (Panasonic) also carries AEC-Q200 automotive qualification and offers the highest inventory availability (62,895 pcs). The seated height is 0.028" (0.70mm).

RC0805FR-0711R8L (YAGEO) provides moisture-resistant characteristics aligned with the original RCS2012F11R8CS design philosophy. The seated height is 0.024" (0.60mm), positioning it between the Vishay and Panasonic options.

All parts comply with ROHS3 and maintain MSL 1 (Unlimited) moisture sensitivity ratings. Selection should account for PCB assembly height constraints, supply chain availability, and whether automotive AEC-Q200 qualification is required for the end application.

Frequently Asked Questions (FAQ)

Q: Can CRCW080511R8FKEA replace RCS2012F11R8CS in non-automotive applications?

A: Yes. The CRCW080511R8FKEA meets all electrical and mechanical parameters required for direct substitution. AEC-Q200 qualification is an additional feature that does not restrict use in general-purpose applications.

Q: What is the significance of the height-seated maximum dimension differences?

A: Height variations (0.020" to 0.028") reflect manufacturing tolerances across different manufacturers. All values remain within acceptable limits for standard 0805 package PCB assembly. Selection should consider specific PCB clearance requirements if height-constrained applications exist.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RCS2012F11R8CS, CRCW080511R8FKEA, ERJ-6ENF11R8V, and RC0805FR-0711R8L are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What distinguishes the feature sets among substitutes?

A: RCS2012F11R8CS emphasizes anti-sulfur and moisture-resistant characteristics. CRCW080511R8FKEA and ERJ-6ENF11R8V include automotive AEC-Q200 qualification. RC0805FR-0711R8L maintains moisture-resistant properties. All are thick film compositions with identical electrical specifications.

Q: Is inventory availability a factor in substitution selection?

A: Inventory levels are provided for reference: RCS2012F11R8CS (1,095 pcs), CRCW080511R8FKEA (20,942 pcs), ERJ-6ENF11R8V (62,895 pcs), RC0805FR-0711R8L (12,619 pcs). Substitution eligibility is not affected by inventory status; however, supply chain considerations may influence procurement decisions.

Q: Can these parts be used interchangeably in the same circuit design?

A: Yes. All substitute parts maintain identical resistance (11.8 Ohms), tolerance (±1%), power rating (0.125W), package format (0805), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitution is supported without circuit redesign.

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