RC2012F240CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F240CS is a 24 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 with moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	24 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 to 155°C
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F240CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 24 Ohms
Tolerance: ±1%
Package format: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Termination count: 2
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1

Power Rating Consideration: Direct substitutes maintain 0.125W (1/8W) power rating. Parts with higher power ratings (0.4W, 0.5W) are classified as similar alternatives suitable only when circuit design permits increased power dissipation capability.

Feature Variations: Substitute parts may include additional certifications (AEC-Q200 automotive qualification) or enhanced features (pulse withstanding capability) without affecting base electrical compatibility. These represent functional enhancements rather than deviations from core specifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	Features	RoHS	MSL
RC2012F240CS	Samsung Electro-Mechanics	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Moisture Resistant	ROHS3	1
CR0805-FX-24R0ELF	Bourns Inc.	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
ERJ-6ENF24R0V	Panasonic Electronic Components	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	Automotive AEC-Q200	ROHS3	1
KTR10EZPF24R0	Rohm Semiconductor	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3	1
RC0805FR-0724RL	YAGEO	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
RMCF0805FT24R0	Stackpole Electronics Inc	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200	ROHS3	1
AC0805FR-0724RL	YAGEO	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW080524R0FKEA	Vishay Dale	24Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical and Mechanical Specifications):

CR0805-FX-24R0ELF (Bourns Inc.), RC0805FR-0724RL (YAGEO), and CRCW080524R0FKEA (Vishay Dale) are direct functional equivalents to RC2012F240CS. All maintain 0.125W power rating, 24 Ohm resistance, ±1% tolerance, and 0805 package format with identical thermal and environmental operating parameters. These parts are suitable for one-to-one replacement in standard applications.

Automotive-Qualified Alternatives:

ERJ-6ENF24R0V (Panasonic), KTR10EZPF24R0 (Rohm), RMCF0805FT24R0 (Stackpole), and AC0805FR-0724RL (YAGEO) incorporate AEC-Q200 automotive qualification. These parts meet all electrical and mechanical requirements of the primary part while providing additional reliability certification for automotive-grade applications. Selection of these alternatives is appropriate when circuit design operates in automotive environments or requires enhanced qualification documentation.

Higher Power Rating Alternatives:

CRCW080524R0FKEAHP (Vishay Dale, 0.5W) and ESR10EZPF24R0 (Rohm, 0.4W) maintain identical resistance, tolerance, and package specifications but feature increased power dissipation ratings. These components are classified as similar alternatives and are suitable only when circuit design permits higher power capability without thermal management modifications.

Compliance and Certification Status:

All listed parts maintain ROHS3 compliance, MSL 1 moisture sensitivity rating, and REACH unaffected status. Product status for all alternatives is Active, ensuring continued availability and manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can CR0805-FX-24R0ELF replace RC2012F240CS in any application?

A: CR0805-FX-24R0ELF is a direct electrical and mechanical equivalent. Both parts share identical resistance (24Ω), tolerance (±1%), power rating (0.125W), package format (0805), and operating temperature range (-55°C to 155°C). Direct substitution is valid for all standard applications without circuit modification.

Q: What is the difference between direct substitutes and similar alternatives?

A: Direct substitutes maintain all electrical and mechanical parameters including power rating (0.125W). Similar alternatives may feature higher power ratings (0.4W, 0.5W) or enhanced certifications (AEC-Q200, pulse withstanding). Similar alternatives require circuit design verification to confirm that increased power capability does not introduce thermal or performance issues.

Q: Are AEC-Q200 qualified parts (ERJ-6ENF24R0V, RMCF0805FT24R0) compatible with non-automotive applications?

A: AEC-Q200 qualification represents enhanced reliability testing and does not restrict use in non-automotive applications. These parts meet or exceed all electrical and mechanical specifications of the primary part and are fully compatible with standard circuit designs. AEC-Q200 certification provides additional qualification documentation without introducing incompatibility.

Q: Does package height variation affect substitution eligibility?

A: All listed parts use 0805 (2012 Metric) package format with maximum seated heights ranging from 0.50mm to 0.70mm. These variations fall within standard 0805 package tolerances and do not affect PCB assembly compatibility, solder reflow profiles, or electrical performance. Height differences are not substitution limiting factors.

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

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake requirements. All listed parts maintain MSL 1 rating, ensuring identical moisture handling procedures and storage requirements. This parameter is consistent across all substitutes and does not differentiate component selection.

Q: Can CRCW080524R0FKEAHP (0.5W) be used in place of RC2012F240CS (0.125W)?

A: CRCW080524R0FKEAHP is electrically and mechanically compatible but features 4x higher power rating. Substitution is valid only when circuit design permits increased power dissipation without thermal management modifications. Verification of circuit current and power dissipation requirements is necessary before selection.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts maintain ROHS3 compliance status identical to RC2012F240CS. Compliance certification is consistent across all alternatives and does not differentiate component selection for ROHS-regulated applications.

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