RCS2012F243CS Equivalent & Substitute Parts

Part Overview

The RCS2012F243CS is a 24 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and features anti-sulfur and moisture-resistant properties suitable for general industrial applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.

Substiute Parts

RCS2012F243CS

Samsung Electro-MechanicsIn Stock: 968RCS2012F243CS 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

YAGEOIn Stock: 109380RC0805FR-0724KL Datasheet

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RCS080524K0FKEA

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F243CS are grouped into two categories based on electrical and mechanical compatibility:

Category 1: Direct Electrical and Mechanical Equivalents (0.125W, 1/8W)

Parts in this category match all critical parameters: 24 kOhms resistance, ±1% tolerance, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. These parts differ only in manufacturer, series designation, packaging format (Tape & Reel vs. Cut Tape), and optional automotive certifications. Direct substitution is permissible without circuit redesign.

Category 2: Higher Power Rating Variants (0.5W, 1/2W)

Parts in this category maintain identical resistance, tolerance, package, temperature coefficient, and operating range but feature increased power dissipation capability (0.5W instead of 0.125W). These components are physically compatible and electrically interchangeable in applications where the original 0.125W rating is not a limiting constraint. Selection depends on thermal design requirements.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (0.125W Category)

AC0805FR-0724KL, CRCW080524K0FKEA, ERJ-6ENF2402V, and RC0805FR-0724KL are electrically and mechanically equivalent to RCS2012F243CS. All parts maintain identical resistance, tolerance, power rating, package dimensions, temperature coefficient, and operating temperature range. Selection among these options depends on packaging preference (Tape & Reel vs. Cut Tape), manufacturer availability, and inventory status. AC0805FR-0724KL and ERJ-6ENF2402V include automotive AEC-Q200 certification, providing additional qualification for automotive applications. RC0805FR-0724KL offers the highest inventory availability (109,290 pcs).

For Higher Power Applications (0.5W Category)

CRCW080524K0FKEAHP and RCS080524K0FKEA are suitable when circuit design permits increased power dissipation. Both parts maintain all other electrical and mechanical specifications while providing 4x power rating (0.5W vs. 0.125W). These components include automotive AEC-Q200 certification and pulse-withstanding capability. Selection is appropriate only when thermal analysis confirms the original 0.125W rating is insufficient for the application.

All substitute parts are ROHS3 compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, and operate across the identical -55°C ~ 155°C temperature range as the main part.

Frequently Asked Questions (FAQ)

Q: Can AC0805FR-0724KL replace RCS2012F243CS directly on the circuit board?

A: Yes. AC0805FR-0724KL matches all critical electrical parameters (24 kOhms, ±1%, 0.125W) and physical dimensions (0805 package). The component is mechanically and electrically interchangeable without circuit modification.

Q: What is the difference between the 0.125W and 0.5W substitute options?

A: The 0.125W variants (AC0805FR-0724KL, CRCW080524K0FKEA, ERJ-6ENF2402V, RC0805FR-0724KL) match the original RCS2012F243CS power rating exactly. The 0.5W variants (CRCW080524K0FKEAHP, RCS080524K0FKEA) provide four times the power dissipation capability. Selection depends on whether the circuit requires the higher power rating; if the original 0.125W specification is adequate, use the matching 0.125W substitute.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive-qualified parts exceed general industrial requirements and are fully compatible with non-automotive circuits. AC0805FR-0724KL, CRCW080524K0FKEA, CRCW080524K0FKEAHP, ERJ-6ENF2402V, and RCS080524K0FKEA all carry AEC-Q200 certification and function in any application requiring the specified electrical and mechanical parameters.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape (CT) packaging provides components pre-cut from the reel for manual handling or smaller production runs. Both formats contain identical components; packaging choice depends on assembly process requirements and order quantity.

Q: Can I use RC0805FR-0724KL if RCS2012F243CS is not available?

A: Yes. RC0805FR-0724KL is a direct electrical and mechanical equivalent with 24 kOhms resistance, ±1% tolerance, 0.125W power rating, and 0805 package. The component is suitable for immediate substitution.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture-control storage or handling procedures. The part is not sensitive to moisture absorption and does not require baking before soldering.