RC1005F242CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F242CS is a 2.4 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device (SMD) is rated for 0.063W (1/16W) power dissipation with moisture resistant characteristics and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). 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	Value
Resistance	2.4 kOhms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Dimensions	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.016" (0.40mm)
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the RC1005F242CS are classified into three categories based on substitution compatibility:

Direct Substitutes maintain identical electrical and mechanical specifications with the main part:

Resistance: 2.4 kOhms ±1%
Power Rating: 0.063W (1/16W)
Package: 0402 (1005 Metric)
Temperature Coefficient: ±100ppm/°C
Operating Temperature: -55°C to 155°C
Composition: Thick Film
Moisture Sensitivity Level: MSL 1

Upgrade Substitutes provide enhanced specifications suitable for applications requiring higher reliability or automotive qualification:

All electrical parameters identical to main part
Higher power rating (0.1W vs 0.063W) or automotive AEC-Q200 certification
Same package and temperature range

Similar Substitutes meet all core electrical and mechanical requirements with additional certifications or features:

Identical resistance, tolerance, package, and temperature specifications
Automotive AEC-Q200 qualification or enhanced moisture resistance
Functionally interchangeable in standard applications

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Composition	Features	RoHS	MSL
RC1005F242CS	Samsung Electro-Mechanics	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	Moisture Resistant	ROHS3	1
CR0402-FX-2401GLF	Bourns Inc.	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	—	ROHS3	1
CRG0402F2K4	TE Connectivity Passive Product	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	—	ROHS3	1
RC0402FR-072K4L	YAGEO	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	Moisture Resistant	ROHS3	1
ERJ-2RKF2401X	Panasonic Electronic Components	2.4 kΩ	±1%	0.1	0402	±100ppm/°C	-55 to 155°C	Thick Film	Automotive AEC-Q200	ROHS3	1
AC0402FR-072K4L	YAGEO	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW04022K40FKED	Vishay Dale	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	Automotive AEC-Q200	ROHS3	1
RMCF0402FT2K40	Stackpole Electronics Inc	2.4 kΩ	±1%	0.063	0402	±100ppm/°C	-55 to 155°C	Thick Film	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

Direct Substitution (No Design Changes Required)

CR0402-FX-2401GLF (Bourns Inc.), CRG0402F2K4 (TE Connectivity), and RC0402FR-072K4L (YAGEO) provide direct electrical and mechanical equivalence to RC1005F242CS. All three parts maintain identical resistance, tolerance, power rating, package dimensions, and temperature specifications. RC0402FR-072K4L includes moisture resistant features matching the original part. Selection among these direct substitutes depends on packaging format availability (Cut Tape vs. Tape & Reel) and inventory requirements.

Upgrade Selection (Enhanced Reliability)

ERJ-2RKF2401X (Panasonic) offers increased power rating (0.1W vs. 0.063W) with automotive AEC-Q200 qualification. This upgrade is suitable for applications requiring higher thermal margin or automotive-grade reliability without circuit redesign, as the part maintains identical resistance, tolerance, and package specifications.

Automotive-Grade Selection (Compliance-Driven)

AC0402FR-072K4L (YAGEO), CRCW04022K40FKED (Vishay Dale), and RMCF0402FT2K40 (Stackpole Electronics) incorporate automotive AEC-Q200 certification with identical electrical specifications. These parts are appropriate for automotive applications or systems requiring AEC-Q200 compliance. AC0402FR-072K4L additionally provides moisture resistant characteristics. All maintain the 0402 package and full temperature range compatibility.

All substitute parts listed are ROHS3 compliant with MSL 1 rating, ensuring environmental and regulatory compatibility with the original RC1005F242CS specification.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-2401GLF replace RC1005F242CS directly without circuit modification?

A: Yes. CR0402-FX-2401GLF is a direct substitute with identical resistance (2.4 kΩ ±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). No circuit changes are required.

Q: What is the difference between direct substitutes and automotive-grade alternatives?

A: Direct substitutes (CR0402-FX-2401GLF, CRG0402F2K4, RC0402FR-072K4L) match all electrical and mechanical specifications of the original part. Automotive-grade alternatives (AC0402FR-072K4L, CRCW04022K40FKED, RMCF0402FT2K40) add AEC-Q200 certification for automotive applications while maintaining identical core specifications. Selection depends on application requirements, not electrical performance.

Q: Is ERJ-2RKF2401X compatible with the RC1005F242CS application?

A: ERJ-2RKF2401X is compatible with higher thermal margin. It maintains identical resistance, tolerance, and package but provides 0.1W power rating versus 0.063W in the original part. This upgrade is suitable for applications where increased power dissipation capability is beneficial. The 0402 package and temperature range remain unchanged.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in Cut Tape (CT) and Tape & Reel (TR) formats. RC1005F242CS and RC0402FR-072K4L are supplied in Cut Tape format. CR0402-FX-2401GLF, CRG0402F2K4, AC0402FR-072K4L, ERJ-2RKF2401X, and RMCF0402FT2K40 are supplied in Tape & Reel format. CRCW04022K40FKED is available in Cut Tape & Digi-Reel format. Packaging selection depends on assembly process requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (CR0402-FX-2401GLF, CRG0402F2K4, RC0402FR-072K4L, ERJ-2RKF2401X, AC0402FR-072K4L, CRCW04022K40FKED, RMCF0402FT2K40) are ROHS3 compliant with MSL 1 rating, matching the environmental compliance of RC1005F242CS.

Q: Which substitute offers the best moisture resistance?

A: RC0402FR-072K4L and AC0402FR-072K4L both feature moisture resistant characteristics. RC0402FR-072K4L is a direct substitute with moisture resistance. AC0402FR-072K4L combines moisture resistance with automotive AEC-Q200 certification. Both maintain identical electrical specifications and 0402 package dimensions.

Q: Can I use automotive-grade parts in non-automotive applications?

A: Yes. Automotive-grade parts (AC0402FR-072K4L, CRCW04022K40FKED, RMCF0402FT2K40, ERJ-2RKF2401X) meet or exceed standard specifications and are fully compatible in non-automotive applications. The AEC-Q200 certification represents additional qualification testing and does not restrict use in standard industrial or consumer applications.

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