RC2012F244CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F244CS is a 240 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 moisture-resistant construction. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or application-specific certifications such as automotive AEC-Q200 qualification.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Resistance value: 240 kOhms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Termination count: 2
RoHS3 compliance
MSL rating: 1 (Unlimited)

Direct Substitutes meet all primary criteria with identical electrical and mechanical specifications. These parts are functionally interchangeable without design modification.

Similar Substitutes meet all primary criteria but include additional features or certifications (such as AEC-Q200 automotive qualification or pulse withstanding capability) or differ in power rating. These parts are compatible but may introduce enhanced performance characteristics or application-specific qualifications not present in the original component.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	Features	Certifications
RC2012F244CS	Samsung Electro-Mechanics	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	Moisture Resistant	ROHS3, REACH Unaffected
CR0805-FX-2403ELF	Bourns Inc.	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	Moisture Resistant	ROHS3, REACH Unaffected
ERJ-6ENF2403V	Panasonic Electronic Components	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.70	Automotive AEC-Q200	ROHS3, REACH Unaffected, AEC-Q200
RC0805FR-07240KL	YAGEO	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	Moisture Resistant	ROHS3, REACH Unaffected
RMCF0805FT240K	Stackpole Electronics Inc	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	Automotive AEC-Q200	ROHS3, REACH Unaffected, AEC-Q200
AC0805FR-07240KL	YAGEO	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3, REACH Unaffected, AEC-Q200
CRCW0805240KFKEA	Vishay Dale	240 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	Automotive AEC-Q200	ROHS3, REACH Unaffected, AEC-Q200
CRCW0805240KFKEAHP	Vishay Dale	240 kΩ	±1%	0.5	0805	±100ppm/°C	-55 ~ 155°C	0.50	Automotive AEC-Q200, Pulse Withstanding	ROHS3, REACH Unaffected, AEC-Q200

Engineering Selection Recommendations

Direct Substitutes (Functionally Equivalent):

CR0805-FX-2403ELF (Bourns Inc.) and RC0805FR-07240KL (YAGEO) are direct substitutes meeting all electrical and mechanical specifications of the RC2012F244CS. Both components maintain identical resistance, tolerance, power rating, and operating temperature range with ROHS3 compliance and MSL 1 rating. These parts are suitable for applications where the original Samsung component is unavailable.

Automotive-Qualified Alternatives:

ERJ-6ENF2403V (Panasonic), RMCF0805FT240K (Stackpole Electronics Inc), AC0805FR-07240KL (YAGEO), and CRCW0805240KFKEA (Vishay Dale) incorporate AEC-Q200 automotive qualification. These components are electrically and mechanically equivalent to the RC2012F244CS and are appropriate for applications requiring automotive-grade reliability certification. Selection among these options depends on packaging format requirements (Tape & Reel or Cut Tape) and inventory availability.

Enhanced Power Rating Option:

CRCW0805240KFKEAHP (Vishay Dale) provides 0.5W power rating with pulse withstanding capability while maintaining the 0805 package footprint. This component is suitable for applications requiring higher transient power dissipation capacity. The increased power rating does not affect PCB layout compatibility but provides enhanced thermal performance margin.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can CR0805-FX-2403ELF replace RC2012F244CS directly without design changes?

A: Yes. CR0805-FX-2403ELF is a direct substitute with identical electrical specifications (240 kΩ ±1%, 0.125W), package (0805), and operating temperature range (-55°C ~ 155°C). No design modification is required. Physical dimensions and termination count are equivalent.

Q: What is the difference between direct substitutes and similar substitutes in this list?

A: Direct substitutes (CR0805-FX-2403ELF, RC0805FR-07240KL, RMCF0805FT240K) meet all primary electrical and mechanical criteria with identical specifications. Similar substitutes include additional certifications (AEC-Q200 automotive qualification) or enhanced features (pulse withstanding, higher power rating) while maintaining core electrical equivalence. Similar substitutes are compatible but introduce additional performance characteristics.

Q: Are AEC-Q200 qualified parts (ERJ-6ENF2403V, RMCF0805FT240K, AC0805FR-07240KL, CRCW0805240KFKEA) suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents enhanced reliability testing and is a superset of standard commercial specifications. These parts are fully compatible with non-automotive applications and provide equivalent or superior performance to non-qualified alternatives.

Q: What is the significance of the height difference (0.50mm to 0.70mm) among substitute parts?

A: Height variation within the 0805 package specification does not affect PCB layout compatibility, as all parts conform to the 0805 (2012 Metric) standard. Height differences may influence clearance in applications with restricted vertical space but do not impact electrical performance or standard assembly processes.

Q: Can CRCW0805240KFKEAHP (0.5W) be used in place of RC2012F244CS (0.125W)?

A: Yes. CRCW0805240KFKEAHP is electrically and mechanically compatible with RC2012F244CS. The higher power rating (0.5W versus 0.125W) provides additional thermal margin and is suitable for applications where the original 0.125W rating is adequate. The component will not introduce design incompatibility.

Q: What packaging formats are available among the substitute parts?

A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. RC0805FR-07240KL is available in Cut Tape & Digi-Reel® format. All other substitutes are supplied in Tape & Reel format. Packaging selection depends on assembly process requirements and volume specifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (CR0805-FX-2403ELF, ERJ-6ENF2403V, RC0805FR-07240KL, RMCF0805FT240K, AC0805FR-07240KL, CRCW0805240KFKEA, CRCW0805240KFKEAHP) are ROHS3 compliant and REACH unaffected, matching the compliance status of the RC2012F244CS.

Q: What is MSL 1 rating and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. All parts in this reference maintain MSL 1 rating, ensuring compatibility with standard storage and handling protocols without special environmental controls.

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