RCS2012F2611CS Equivalent & Substitute Parts

Part Overview

The RCS2012F2611CS is a 2.61 kOhms ±1% 0.125W (1/8W) 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. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across -55°C to 155°C temperature range.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, form factor), and environmental operating parameters. Substitute components maintain identical or superior performance characteristics within the defined parameter set.

Key Parameters

Parameter	Specification
Resistance Value	2.61 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 are classified into two functional groups based on power rating and application certification:

Group 1: Direct Equivalents (0.125W, 1/8W Rating) Parts AC0805FR-072K61L, CRCW08052K61FKEA, ERJ-6ENF2611V, RC0805FR-072K61L, and RMCF0805FT2K61 maintain identical power rating (0.125W) and resistance specifications. These parts are interchangeable for applications requiring the standard 1/8W power dissipation level.

Group 2: Higher Power Rating (0.5W, 1/2W Rating) Part ERJ-P06F2611V provides increased power handling capability (0.5W) while maintaining all other electrical and mechanical parameters. This part is suitable for applications requiring higher power dissipation margins or pulse withstanding capability.

Substitution Criteria:

Resistance value: 2.61 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature: -55°C ~ 155°C (exact match required)
Composition: Thick Film (exact match required)
RoHS compliance: ROHS3 (minimum requirement)
MSL rating: 1 (Unlimited) (minimum requirement)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op. Temp Range	Height Max	Features	RoHS	MSL
RCS2012F2611CS	Samsung Electro-Mechanics	2.61 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.66mm	Anti-Sulfur, Moisture Resistant	ROHS3	1
AC0805FR-072K61L	YAGEO	2.61 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW08052K61FKEA	Vishay Dale	2.61 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	Automotive AEC-Q200	ROHS3	1
ERJ-6ENF2611V	Panasonic Electronic Components	2.61 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.70mm	Automotive AEC-Q200	ROHS3	1
ERJ-P06F2611V	Panasonic Electronic Components	2.61 kΩ	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.70mm	Automotive AEC-Q200, Pulse Withstanding	ROHS3	1
RC0805FR-072K61L	YAGEO	2.61 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	Moisture Resistant	ROHS3	1
RMCF0805FT2K61	Stackpole Electronics Inc	2.61 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.65mm	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with RCS2012F2611CS based on provided specifications. Selection among equivalent parts should consider the following factors:

For Standard Applications (0.125W Power Rating): AC0805FR-072K61L, CRCW08052K61FKEA, ERJ-6ENF2611V, RC0805FR-072K61L, and RMCF0805FT2K61 are direct functional equivalents. All parts are ROHS3 compliant with MSL 1 rating. Parts bearing AEC-Q200 automotive qualification (AC0805FR-072K61L, CRCW08052K61FKEA, ERJ-6ENF2611V, RMCF0805FT2K61) are suitable for automotive and industrial applications requiring automotive-grade component certification.

For Applications Requiring Higher Power Dissipation: ERJ-P06F2611V provides 0.5W (1/2W) power rating with pulse withstanding capability while maintaining all other electrical parameters. This part is applicable where thermal margin or transient pulse handling is required.

Packaging Considerations: Tape & Reel (TR) packaging is available from Samsung Electro-Mechanics (RCS2012F2611CS), YAGEO (AC0805FR-072K61L), Panasonic (ERJ-6ENF2611V, ERJ-P06F2611V), and Stackpole (RMCF0805FT2K61). Cut Tape (CT) & Digi-Reel® packaging is available from Vishay Dale (CRCW08052K61FKEA) and YAGEO (RC0805FR-072K61L).

Compliance Status: All substitute parts maintain ROHS3 compliance and REACH unaffected status consistent with the main part specification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P06F2611V (0.5W) be used as a direct replacement for RCS2012F2611CS (0.125W)? A: Yes. ERJ-P06F2611V maintains identical resistance value (2.61 kOhms), tolerance (±1%), package (0805), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). The higher power rating (0.5W vs 0.125W) provides additional thermal margin and does not create incompatibility. Physical dimensions remain within 0805 package specification.

Q: What is the difference between automotive-qualified parts (AEC-Q200) and non-automotive parts? A: AEC-Q200 certification indicates the part meets automotive industry reliability and qualification standards. Parts AC0805FR-072K61L, CRCW08052K61FKEA, ERJ-6ENF2611V, and RMCF0805FT2K61 carry AEC-Q200 rating. RCS2012F2611CS and RC0805FR-072K61L do not list AEC-Q200 certification. Selection depends on application requirements; automotive applications typically require AEC-Q200 qualified components.

Q: Are there packaging differences that affect PCB assembly? A: All parts use identical 0805 (2012 Metric) package with 2 terminations. Height variations range from 0.50mm to 0.70mm maximum seated height. These variations fall within standard 0805 package tolerance and do not affect PCB footprint or assembly compatibility. Packaging format (Tape & Reel vs Cut Tape & Digi-Reel) affects supply and handling but not component performance or board-level compatibility.

Q: What does MSL 1 (Unlimited) rating mean for component handling? A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts carry MSL 1 rating, meaning they can be stored indefinitely at room conditions without special moisture control procedures prior to assembly.

Q: Can I substitute based on manufacturer availability? A: Yes. All substitute parts meet identical electrical and mechanical specifications. Selection can be based on manufacturer availability, lead time, packaging preference, or cost considerations without affecting circuit performance, provided the selected part maintains the same resistance value (2.61 kOhms), tolerance (±1%), and package (0805).

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