RC1005F4023CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F4023CS is a 402 kOhm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This component 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 package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Resistance	402 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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Size / Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.016" (0.40mm)

Substitute Part Grouping Explanation

Substitute parts for the RC1005F4023CS are classified based on strict electrical and mechanical parameter matching. All identified substitutes maintain the following core specifications: 402 kOhm resistance value, ±1% tolerance, 0402 package format, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. Substitution categories are defined as follows:

Direct Equivalents share identical electrical ratings (0.063W power), packaging format (Tape & Reel or Cut Tape), and moisture-resistant features where applicable. These parts are pin-for-pin compatible with no design modifications required.

Upgrade Substitutes provide enhanced power rating (0.1W vs. 0.063W) or automotive-grade certifications (AEC-Q200) while maintaining all other core parameters. These parts offer improved performance margins and are suitable for applications requiring higher reliability standards.

Similar Substitutes match all electrical and mechanical specifications but may include additional certifications (AEC-Q200) or alternative packaging options. These parts are functionally equivalent and mechanically compatible.

The key parameters determining substitution eligibility are: resistance value (402 kOhms), tolerance (±1%), package type (0402), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op. Temp Range	Features	Packaging Type	Product Status
RC1005F4023CS	Samsung Electro-Mechanics	402 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Tape & Reel	Active
CR0402-FX-4023GLF	Bourns Inc.	402 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	—	Tape & Reel	Active
RC0402FR-07402KL	YAGEO	402 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Cut Tape & Digi-Reel	Active
ERJ-2RKF4023X	Panasonic Electronic Components	402 kOhms	±1%	0.1W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Cut Tape & Digi-Reel	Active
AC0402FR-07402KL	YAGEO	402 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Cut Tape & Digi-Reel	Active
CRCW0402402KFKED	Vishay Dale	402 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Tape & Reel	Active
RMCF0402FT402K	Stackpole Electronics Inc	402 kOhms	±1%	0.063W	0402	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Tape & Reel	Active

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance. Selection between direct equivalents and upgrade substitutes depends on application requirements:

For standard industrial applications requiring direct replacement without design modification, CR0402-FX-4023GLF (Bourns) and RC0402FR-07402KL (YAGEO) provide equivalent electrical and mechanical performance to the RC1005F4023CS.

For applications requiring automotive-grade reliability, AC0402FR-07402KL (YAGEO), CRCW0402402KFKED (Vishay Dale), and RMCF0402FT402K (Stackpole Electronics) offer AEC-Q200 certification while maintaining identical electrical specifications and 0402 package compatibility.

For applications with elevated power dissipation requirements, ERJ-2RKF4023X (Panasonic) provides 0.1W power rating with AEC-Q200 certification, offering enhanced thermal performance margin within the same 0402 package footprint.

All substitute parts are mechanically compatible with the original RC1005F4023CS footprint and require no PCB layout modifications. Moisture sensitivity level remains at MSL 1 (Unlimited) across all options, eliminating bake-out requirements for storage and handling.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-4023GLF replace RC1005F4023CS in existing designs?

A: Yes. CR0402-FX-4023GLF is a direct equivalent with matching 402 kOhm resistance, ±1% tolerance, 0.063W power rating, and 0402 package dimensions. No design modifications are required.

Q: What is the difference between the 0.063W and 0.1W power-rated options?

A: ERJ-2RKF4023X is rated at 0.1W (1/10W) compared to the standard 0.063W (1/16W) rating. The 0.1W option provides higher power dissipation capability and thermal margin. Both maintain identical resistance, tolerance, and package specifications. The 0.1W part is suitable for applications with higher current or power requirements.

Q: Are AEC-Q200 certified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 certification indicates enhanced reliability testing and quality standards. Parts such as AC0402FR-07402KL, CRCW0402402KFKED, and RMCF0402FT402K can be used in any application. The certification does not restrict use to automotive applications; it indicates superior performance qualification.

Q: Does packaging type (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Packaging type affects only handling, storage, and assembly processes. Tape & Reel and Cut Tape & Digi-Reel formats contain identical components with identical electrical specifications. Selection depends on manufacturing equipment compatibility and inventory management requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance, matching the regulatory status of the RC1005F4023CS.

Q: What is the moisture sensitivity level for all substitute parts?

A: All substitute parts maintain MSL 1 (Unlimited), identical to the RC1005F4023CS. No special moisture control or bake-out procedures are required for storage or handling.

Q: Can substitute parts be mixed in the same production batch?

A: Yes. All substitute parts are electrically and mechanically equivalent within the specified parameters. Mixed sourcing is permissible provided all parts meet the application's electrical and reliability requirements.

Q: What is the temperature coefficient significance for this resistor family?

A: The ±100ppm/°C temperature coefficient is consistent across all substitute parts and the original RC1005F4023CS. This specification defines the resistance value change per degree Celsius across the -55°C to 155°C operating range. All parts maintain identical temperature stability characteristics.

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