RC1005F2433CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F2433CS is a 243 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation with moisture resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product 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 circuit board compatibility.

Key Parameters

Parameter	Value
Resistance	243 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 ~ 155°C
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.016" (0.40mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC1005F2433CS are classified based on strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Resistance value: 243 kOhms
Tolerance: ±1%
Package: 0402 (1005 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature: -55°C ~ 155°C
Terminations: 2
RoHS Status: ROHS3 Compliant
MSL: 1 (Unlimited)

Substitution Categories:

Direct Equivalents maintain identical power rating (0.063W / 1/16W), physical dimensions, and feature sets:

CR0402-FX-2433GLF (Bourns Inc.)
RC0402FR-07243KL (YAGEO)

Upgrade Substitute provides higher power rating (0.1W / 1/10W) with automotive qualification:

ERJ-2RKF2433X (Panasonic Electronic Components)

Similar Substitutes match core electrical specifications with automotive AEC-Q200 qualification and/or enhanced features:

AC0402FR-07243KL (YAGEO)
CRCW0402243KFKED (Vishay Dale)
RMCF0402FT243K (Stackpole Electronics Inc)

All substitute parts maintain identical resistance, tolerance, package dimensions, temperature coefficient, and operating temperature range as the main part.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Composition	Temp Coeff	Operating Temp	Size (mm)	Height Max (mm)	RoHS	MSL	Features
RC1005F2433CS	Samsung Electro-Mechanics	243 kOhms	±1%	0.063W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Moisture Resistant
CR0402-FX-2433GLF	Bourns Inc.	243 kOhms	±1%	0.063W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	—
RC0402FR-07243KL	YAGEO	243 kOhms	±1%	0.063W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Moisture Resistant
ERJ-2RKF2433X	Panasonic Electronic Components	243 kOhms	±1%	0.1W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Automotive AEC-Q200
AC0402FR-07243KL	YAGEO	243 kOhms	±1%	0.063W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.37	ROHS3	1	Automotive AEC-Q200, Moisture Resistant
CRCW0402243KFKED	Vishay Dale	243 kOhms	±1%	0.063W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Automotive AEC-Q200
RMCF0402FT243K	Stackpole Electronics Inc	243 kOhms	±1%	0.063W	0402	Thick Film	±100ppm/°C	-55°C ~ 155°C	1.00 x 0.50	0.40	ROHS3	1	Automotive AEC-Q200

Engineering Selection Recommendations

Direct Equivalent Selection: CR0402-FX-2433GLF and RC0402FR-07243KL provide direct electrical and mechanical equivalence to RC1005F2433CS. Both maintain identical power rating, package dimensions, and operating specifications. CR0402-FX-2433GLF offers higher inventory availability (18,123 units). RC0402FR-07243KL includes moisture resistant construction matching the original part specification.

Upgrade Path: ERJ-2RKF2433X provides higher power dissipation capability (0.1W versus 0.063W) within the same 0402 package footprint. This part includes Automotive AEC-Q200 qualification and is suitable for applications requiring enhanced thermal performance or automotive-grade reliability. Inventory availability is substantial (226,713 units).

Automotive-Qualified Alternatives: AC0402FR-07243KL, CRCW0402243KFKED, and RMCF0402FT243K all carry AEC-Q200 automotive qualification while maintaining the original 0.063W power rating. These parts are appropriate for automotive and industrial applications requiring automotive-grade component certification. All three maintain ROHS3 compliance and MSL 1 rating.

All substitute parts are Active product status with ROHS3 compliance and unlimited moisture sensitivity level, ensuring regulatory and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-2433GLF be used as a direct replacement for RC1005F2433CS? A: Yes. CR0402-FX-2433GLF matches all critical electrical parameters (243 kOhms ±1%, 0.063W power rating, ±100ppm/°C temperature coefficient) and physical dimensions (0402 package, 1.00mm x 0.50mm). Both parts operate across -55°C to 155°C and maintain ROHS3 compliance with MSL 1 rating.

Q: What is the difference between the main part and ERJ-2RKF2433X? A: ERJ-2RKF2433X provides higher power dissipation (0.1W versus 0.063W) and includes Automotive AEC-Q200 qualification. All other electrical specifications remain identical. This upgrade is suitable for applications requiring enhanced thermal capability or automotive-grade reliability within the same package footprint.

Q: Are the automotive-qualified parts (AC0402FR-07243KL, CRCW0402243KFKED, RMCF0402FT243K) suitable for non-automotive applications? A: Yes. Automotive AEC-Q200 qualification represents an additional quality and reliability standard. These parts meet or exceed the specifications of the original RC1005F2433CS and are fully compatible with non-automotive applications. The presence of automotive qualification does not restrict use in other applications.

Q: Do all substitute parts fit the same PCB footprint as RC1005F2433CS? A: Yes. All substitute parts use the 0402 (1005 Metric) package with identical dimensions of 1.00mm length x 0.50mm width. Maximum seated heights range from 0.37mm to 0.40mm, all within standard 0402 PCB design tolerances.

Q: What is the significance of MSL 1 (Unlimited) rating? A: MSL 1 indicates unlimited shelf life without moisture baking requirements. The part can be stored and handled without time-sensitive moisture precautions, simplifying inventory management and assembly processes.

Q: Can RC0402FR-07243KL be substituted for RC1005F2433CS if moisture resistance is required? A: Yes. RC0402FR-07243KL includes moisture resistant construction matching the original part specification. Both parts maintain identical electrical parameters and 0402 package dimensions.

Q: What inventory considerations should guide part selection? A: CR0402-FX-2433GLF offers the highest immediate availability (18,123 units). ERJ-2RKF2433X provides substantial inventory (226,713 units) for high-volume applications. RMCF0402FT243K (96,797 units) and CRCW0402243KFKED (53,171 units) offer intermediate availability levels.

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