RCS2012F24R9CS Equivalent & Substitute Parts

Part Overview

The RCS2012F24R9CS is a 24.9 Ohm ±1% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is actively produced and widely used in general-purpose electronic applications requiring precision resistive elements with anti-sulfur and moisture-resistant properties. Substitute parts are identified to provide design flexibility, supply chain alternatives, and compatibility options across different manufacturing sources while maintaining equivalent electrical and mechanical specifications.

Substiute Parts

RCS2012F24R9CS

Samsung Electro-MechanicsIn Stock: 932RCS2012F24R9CS Datasheet

Current PartRFQ

CRCW080524R9FKEA

Vishay DaleIn Stock: 1705CRCW080524R9FKEA Datasheet

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CRCW080524R9FKEAHP

Vishay DaleIn Stock: 5608CRCW080524R9FKEAHP Datasheet

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CRCW080524R9FKTA

Vishay DaleIn Stock: 10609CRCW080524R9FKTA Datasheet

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ERJ-6ENF24R9V

Panasonic Electronic ComponentsIn Stock: 92852ERJ-6ENF24R9V Datasheet

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RC0805FR-0724R9L

YAGEOIn Stock: 5260RC0805FR-0724R9L Datasheet

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RCS080524R9FKEA

Vishay DaleIn Stock: 14923RCS080524R9FKEA Datasheet

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RMCF0805FT24R9

Stackpole Electronics IncIn Stock: 53949RMCF0805FT24R9 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F24R9CS are grouped based on strict equivalence of the following critical parameters: resistance value (24.9 Ohms), tolerance (±1%), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C).

Substitutes are categorized into two functional groups:

Group 1: Direct Electrical & Mechanical Equivalents (0.125W / 1/8W Power Rating) Parts with identical power rating, resistance, tolerance, and package dimensions. These provide pin-for-pin and footprint-compatible replacements.

Group 2: Higher Power Rating Variants (0.5W / 1/2W Power Rating) Parts with the same resistance, tolerance, package, and temperature specifications but increased power dissipation capability. These are suitable for applications requiring higher thermal headroom while maintaining identical electrical characteristics at nominal operating conditions.

All substitute parts maintain MSL 1 rating, ROHS3 compliance, and operate within the specified temperature range.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (0.125W / 1/8W Equivalents):

CRCW080524R9FKEA, ERJ-6ENF24R9V, RC0805FR-0724R9L, and RMCF0805FT24R9 are electrically and mechanically equivalent to the RCS2012F24R9CS. All maintain ROHS3 compliance and identical electrical specifications. Selection among these options depends on supply chain availability and application-specific certifications. ERJ-6ENF24R9V offers the highest inventory availability (92,775 pcs). RMCF0805FT24R9 provides automotive AEC-Q200 qualification with substantial stock (53,934 pcs).

For Higher Power Dissipation Applications:

CRCW080524R9FKEAHP and RCS080524R9FKEA provide 0.5W (1/2W) power rating while maintaining all other electrical parameters. These are suitable for applications requiring increased thermal margin or pulse withstanding capability. Both are ROHS3 compliant and AEC-Q200 qualified.

Compliance Considerations:

CRCW080524R9FKTA is RoHS non-compliant and REACH affected. This part is suitable only for applications where RoHS3 compliance is not required.

Supply Chain Optimization:

For applications without automotive qualification requirements, RC0805FR-0724R9L (YAGEO) and CRCW080524R9FKEA (Vishay Dale) provide ROHS3-compliant alternatives with good inventory levels (5,200 and 1,676 pcs respectively).

Frequently Asked Questions (FAQ)

Q: Can CRCW080524R9FKEAHP (0.5W) be used as a direct replacement for RCS2012F24R9CS (0.125W)?

A: Yes, from an electrical and mechanical standpoint. The 0.5W variant maintains identical resistance (24.9 Ω), tolerance (±1%), package (0805), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). The higher power rating provides additional thermal capability without affecting circuit performance at nominal operating conditions. Verify PCB layout and thermal design accommodate the component.

Q: Are all substitute parts pin-for-pin compatible with the RCS2012F24R9CS?

A: Yes. All listed substitutes use the 0805 (2012 Metric) package with 2 terminations. Physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) are standardized across all parts. Height variations (0.020" to 0.028" seated maximum) are within typical PCB assembly tolerances and do not affect compatibility.

Q: Which substitute offers the best supply availability?

A: ERJ-6ENF24R9V (Panasonic) provides the highest inventory at 92,775 pcs. RMCF0805FT24R9 (Stackpole) offers 53,934 pcs with automotive AEC-Q200 qualification.

Q: What is the difference between CRCW080524R9FKEA and CRCW080524R9FKTA?

A: Both are Vishay Dale CRCW series 24.9 Ω ±1% 0.125W 0805 resistors with identical electrical specifications. CRCW080524R9FKEA is ROHS3 compliant and REACH unaffected. CRCW080524R9FKTA is RoHS non-compliant and REACH affected. Selection depends on regulatory requirements for the end application.

Q: Can I use ERJ-6ENF24R9V in automotive applications?

A: Yes. ERJ-6ENF24R9V carries AEC-Q200 automotive qualification and is suitable for automotive-grade applications. It is ROHS3 compliant with unlimited MSL rating.

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

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts maintain this rating, eliminating moisture-related supply chain constraints.

Q: Are all substitutes suitable for -55°C to 155°C operating range?

A: Yes. All substitute parts maintain the identical operating temperature range of -55°C ~ 155°C with ±100ppm/°C temperature coefficient, ensuring consistent performance across the full temperature spectrum.