RCS2012F241CS Equivalent & Substitute Parts

Part Overview

The RCS2012F241CS is a 240 Ohms ±1% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is supplied in Tape & Reel (TR) packaging with 974 pieces currently in stock inventory.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, operating temperature range). Substitute components enable design flexibility, supply chain alternatives, and procurement optimization while maintaining circuit performance.

Key Parameters

Parameter	Value
Resistance	240 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
Number of Terminations	2
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters:

Resistance value: 240 Ohms
Tolerance: ±1%
Package / Case: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
Number of Terminations: 2
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Considerations:

Power rating (0.125W primary; 0.5W variants listed as higher-rated alternatives)
Packaging format (Tape & Reel vs. Cut Tape & Digi-Reel)
Compliance certifications (RoHS3, REACH, AEC-Q200)
Manufacturer series designation

Substitute parts are grouped into two categories: Direct Equivalents (matching all primary parameters including 0.125W power rating) and Higher-Rated Variants (0.5W power rating with identical resistance and tolerance, suitable for applications requiring increased power dissipation capability).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op. Temp Range	Height (Max)	RoHS Status	AEC-Q200
RCS2012F241CS	Samsung Electro-Mechanics	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.66mm	ROHS3	No
RC0805FR-07240RL	YAGEO	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	No
AC0805FR-07240RL	YAGEO	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	Yes
CRCW0805240RFKEA	Vishay Dale	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	Yes
CRCW0805240RFKEAHP	Vishay Dale	240 Ω	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	Yes
CRCW0805240RFKTA	Vishay Dale	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	RoHS Non-compliant	Yes
ERJ-6ENF2400V	Panasonic Electronic Components	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.70mm	ROHS3	Yes
RCS0805240RFKEA	Vishay Dale	240 Ω	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	Yes
RMCF0805FT240R	Stackpole Electronics Inc	240 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.65mm	ROHS3	Yes

Engineering Selection Recommendations

Direct Equivalents (0.125W, ROHS3 Compliant):

The following parts provide direct electrical and mechanical equivalence to RCS2012F241CS with identical power rating and full RoHS3 compliance:

RC0805FR-07240RL (YAGEO): 104,147 units in stock. Moisture-resistant thick film composition. Suitable for general-purpose applications without automotive qualification requirements.
CRCW0805240RFKEA (Vishay Dale): 36,135 units in stock. AEC-Q200 automotive qualified. Lowest seated height (0.50mm) provides optimal PCB clearance in space-constrained designs.
ERJ-6ENF2400V (Panasonic Electronic Components): 111,343 units in stock. AEC-Q200 automotive qualified. Highest inventory availability. Seated height 0.70mm.
RMCF0805FT240R (Stackpole Electronics Inc): 51,751 units in stock. AEC-Q200 automotive qualified. Seated height 0.65mm.

Higher-Rated Variants (0.5W, ROHS3 Compliant):

These parts provide increased power dissipation capability (0.5W vs. 0.125W) while maintaining identical resistance, tolerance, and package specifications:

CRCW0805240RFKEAHP (Vishay Dale): 6,306 units in stock. AEC-Q200 automotive qualified. Pulse withstanding capability. Tape & Reel packaging.
RCS0805240RFKEA (Vishay Dale): 6,388 units in stock. AEC-Q200 automotive qualified. Pulse withstanding capability. Tape & Reel packaging.

Non-Compliant Alternative:

CRCW0805240RFKTA (Vishay Dale): 5,952 units in stock. RoHS non-compliant and REACH affected. Use only in applications where RoHS3 compliance is not required.

Automotive Applications:

For designs requiring AEC-Q200 qualification, select from AC0805FR-07240RL, CRCW0805240RFKEA, CRCW0805240RFKEAHP, ERJ-6ENF2400V, RCS0805240RFKEA, or RMCF0805FT240R.

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS2012F241CS with a 0.5W rated resistor?

A: Yes. CRCW0805240RFKEAHP and RCS0805240RFKEA are 0.5W variants with identical resistance (240 Ohms), tolerance (±1%), and 0805 package. Higher power rating provides additional thermal margin and is electrically compatible in circuits designed for 0.125W components. Verify PCB thermal design accommodates the component if operating near maximum power dissipation.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Tape & Reel (TR) packaging supplies components on continuous carrier tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel packaging provides smaller quantities on cut tape segments or alternative reel formats for lower-volume production or prototyping. Both formats contain identical components; packaging selection depends on assembly equipment and order quantity requirements.

Q: Are all substitute parts RoHS3 compliant?

A: No. CRCW0805240RFKTA is RoHS non-compliant and REACH affected. All other listed substitutes are ROHS3 compliant. Verify compliance requirements for your application before component selection.

Q: Which substitute has the lowest seated height?

A: CRCW0805240RFKEA and CRCW0805240RFKEAHP both have maximum seated height of 0.50mm, compared to 0.66mm for the RCS2012F241CS. Lower height reduces PCB stack-up and is beneficial in space-constrained designs.

Q: Do I need AEC-Q200 qualification for my application?

A: AEC-Q200 qualification is required for automotive and high-reliability applications. If your design requires automotive qualification, select from AC0805FR-07240RL, CRCW0805240RFKEA, CRCW0805240RFKEAHP, ERJ-6ENF2400V, RCS0805240RFKEA, or RMCF0805FT240R. For general-purpose applications, RC0805FR-07240RL provides equivalent performance without automotive certification.

Q: What is the temperature coefficient specification and why does it matter?

A: All listed parts have ±100ppm/°C temperature coefficient, matching the RCS2012F241CS specification. This parameter defines resistance value drift across the operating temperature range (-55°C to 155°C). Identical temperature coefficient ensures predictable circuit behavior across thermal extremes and is critical for precision analog circuits and temperature-sensitive applications.

Q: Can I use these substitutes interchangeably on the same PCB?

A: Yes, all listed substitutes are mechanically and electrically compatible with RCS2012F241CS. All parts share 0805 package format, 2 terminations, identical resistance/tolerance/temperature coefficient, and -55°C to 155°C operating range. Verify seated height clearance if PCB design has tight vertical constraints. Substitution does not require circuit redesign or re-qualification testing.

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