RCS2012J243CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012J243CS is a 24 kOhms ±5% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. The part is supplied in Tape & Reel (TR) packaging with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, power rating, tolerance, temperature coefficient, operating temperature range) and mechanical compatibility (package type, physical dimensions, termination count). Substitute parts may vary in tolerance grade, power rating, packaging format, or manufacturer-specific features while maintaining functional equivalence in circuit applications.

Substiute Parts

RCS2012J243CS

Samsung Electro-MechanicsIn Stock: 797RCS2012J243CS Datasheet

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AC0805FR-0724KL

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CRCW080524K0FKEA

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CRCW080524K0FKEAHP

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ERJ-6ENF2402V

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RC0805FR-0724KL

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RC0805JR-0724KL

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RCS080524K0FKEA

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012J243CS are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Mandatory Matching Parameters:

• Resistance value: 24 kOhms
• Package type: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 1.25mm W (2.00mm x 1.25mm)
• Number of terminations: 2
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Composition: Thick Film
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Variable Parameters (Allowable Differences):

• Tolerance: ±5% (main part) to ±1% (substitute parts) — tighter tolerance is acceptable
• Power rating: 0.125W (main part) to 0.5W (substitute parts) — higher power rating is acceptable
• Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®
• Manufacturer-specific features: Automotive AEC-Q200 certification, Pulse Withstanding capability, Anti-Sulfur coating

Substitute parts meeting these criteria maintain functional equivalence and are suitable for direct replacement in circuit applications where the RCS2012J243CS is specified.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

RC0805JR-0724KL (YAGEO) is the closest direct equivalent to RCS2012J243CS. Both parts share identical electrical specifications: 24 kOhms ±5% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating temperature range. Both are thick film resistors in 0805 package with ROHS3 compliance and MSL 1 rating. The primary difference is packaging format (Tape & Reel for both) and manufacturer. This part is suitable for direct substitution without circuit redesign.

Higher Tolerance Grade Substitutes (±1% Tolerance):

AC0805FR-0724KL, CRCW080524K0FKEA, ERJ-6ENF2402V, and RC0805FR-0724KL all provide ±1% tolerance with 0.125W power rating. These parts are electrically superior to the main part due to tighter tolerance specification while maintaining all other electrical and mechanical parameters. These substitutes are suitable for applications requiring improved accuracy. AC0805FR-0724KL includes Automotive AEC-Q200 certification. CRCW080524K0FKEA and ERJ-6ENF2402V also carry AEC-Q200 certification.

Higher Power Rating Substitutes (0.5W Power Rating):

CRCW080524K0FKEAHP and RCS080524K0FKEA both provide 0.5W power rating with ±1% tolerance. These parts are suitable for applications requiring higher power dissipation capability while maintaining the same 0805 package footprint. Both carry Automotive AEC-Q200 certification and Pulse Withstanding capability. These substitutes are appropriate for circuits with elevated thermal requirements.

Compliance and Certification Status:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring environmental and moisture handling compatibility with the main part. Substitute parts with Automotive AEC-Q200 certification (AC0805FR-0724KL, CRCW080524K0FKEA, CRCW080524K0FKEAHP, ERJ-6ENF2402V, RCS080524K0FKEA) are suitable for automotive and industrial applications requiring enhanced reliability qualification.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0805JR-0724KL for RCS2012J243CS in my circuit?

A: Yes. RC0805JR-0724KL is a direct equivalent with identical electrical specifications (24 kOhms ±5%, 0.125W, ±100ppm/°C, -55°C ~ 155°C) and mechanical compatibility (0805 package, 2.00mm x 1.25mm dimensions, 2 terminations). Both are thick film resistors with ROHS3 compliance and MSL 1 rating. The parts are functionally interchangeable.

Q: What is the difference between ±5% and ±1% tolerance substitutes?

A: Tolerance specifies the allowable deviation from the nominal resistance value. RCS2012J243CS has ±5% tolerance, meaning the actual resistance can vary between 22.8 kOhms and 25.2 kOhms. Substitute parts with ±1% tolerance (AC0805FR-0724KL, CRCW080524K0FKEA, ERJ-6ENF2402V, RC0805FR-0724KL, RCS080524K0FKEA) have tighter tolerance, with actual resistance between 23.76 kOhms and 24.24 kOhms. Tighter tolerance provides improved circuit accuracy and is suitable for precision applications.

Q: Can I use a 0.5W substitute part instead of the 0.125W main part?

A: Yes. CRCW080524K0FKEAHP and RCS080524K0FKEA both provide 0.5W power rating in the same 0805 package. Higher power rating is acceptable for direct substitution and provides additional thermal margin. These parts are suitable for applications with higher power dissipation requirements or thermal stress conditions.

Q: What does Automotive AEC-Q200 certification mean?

A: AEC-Q200 is an automotive industry qualification standard for passive components. Parts with this certification (AC0805FR-0724KL, CRCW080524K0FKEA, CRCW080524K0FKEAHP, ERJ-6ENF2402V, RCS080524K0FKEA) have undergone enhanced reliability testing and are approved for automotive applications. These parts are suitable for automotive, industrial, and high-reliability applications.

Q: Are there packaging format differences between substitute parts?

A: Yes. RCS2012J243CS is supplied in Tape & Reel (TR) format. Most substitute parts are also Tape & Reel (TR), except AC0805FR-0724KL which is supplied in Cut Tape (CT) & Digi-Reel® format. Both packaging formats are suitable for automated assembly; the choice depends on production equipment compatibility and inventory management requirements.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. All listed parts, including RCS2012J243CS and all substitutes, have MSL 1 rating, ensuring compatibility in standard manufacturing environments without specialized moisture-sensitive device (MSD) handling procedures.

Q: Can I substitute parts with different height specifications?

A: Yes. Height variations among substitute parts (ranging from 0.020" to 0.028" seated height) are within acceptable limits for 0805 package components. These variations do not affect circuit functionality or PCB assembly compatibility. Height differences may be relevant only for applications with strict vertical space constraints.

Q: Which substitute part should I select for general-purpose applications?

A: RC0805JR-0724KL is the recommended substitute for general-purpose applications due to identical specifications to RCS2012J243CS. For applications requiring improved accuracy, select AC0805FR-0724KL, CRCW080524K0FKEA, ERJ-6ENF2402V, or RC0805FR-0724KL (all ±1% tolerance). For applications with higher power requirements, select CRCW080524K0FKEAHP or RCS080524K0FKEA (both 0.5W rating).