RCS2012F2492CS Equivalent & Substitute Parts

Part Overview

The RCS2012F2492CS is a 24.9 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and features anti-sulfur and moisture-resistant construction. The part maintains Active product status with 734 units currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and environmental performance characteristics within the 0805 package class.

Substiute Parts

RCS2012F2492CS

Samsung Electro-MechanicsIn Stock: 834RCS2012F2492CS Datasheet

Current PartRFQ

AC0805FR-0724K9L

YAGEOIn Stock: 21643AC0805FR-0724K9L Datasheet

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CRCW080524K9FKEA

Vishay DaleIn Stock: 15404CRCW080524K9FKEA Datasheet

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CRCW080524K9FKEAHP

Vishay DaleIn Stock: 45793CRCW080524K9FKEAHP Datasheet

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ERJ-6ENF2492V

Panasonic Electronic ComponentsIn Stock: 129769ERJ-6ENF2492V Datasheet

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RC0805FR-0724K9L

YAGEOIn Stock: 30146RC0805FR-0724K9L Datasheet

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RCS080524K9FKEA

Vishay DaleIn Stock: 7317RCS080524K9FKEA Datasheet

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RMCF0805FT24K9

Stackpole Electronics IncIn Stock: 239263RMCF0805FT24K9 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F2492CS are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Core Matching Parameters:

• Resistance value: 24.9 kOhms
• Tolerance: ±1%
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS3 Compliance

Substitution Categories:

Category A - Direct Equivalents (0.125W / 1/8W Rating): Parts with identical power rating, suitable for direct replacement in applications with standard power dissipation requirements.

Category B - Higher Power Rating (0.5W / 1/2W Rating): Parts with elevated power rating while maintaining all other electrical parameters. These provide enhanced thermal performance and pulse withstanding capability for demanding applications.

Category C - Packaging Variant: Parts with alternative packaging format (Cut Tape vs. Tape & Reel) while maintaining identical electrical specifications.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical dimensional specifications within the 0805 package class.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications (0.125W / 1/8W):

AC0805FR-0724K9L (YAGEO) and RMCF0805FT24K9 (Stackpole Electronics Inc) are direct electrical equivalents with identical power ratings. Both maintain ROHS3 compliance and MSL Level 1 rating. RMCF0805FT24K9 offers the highest inventory availability at 239,180 units. AC0805FR-0724K9L provides automotive AEC-Q200 qualification with 21,601 units in stock.

ERJ-6ENF2492V (Panasonic Electronic Components) is functionally equivalent with automotive AEC-Q200 certification and the largest inventory position at 129,688 units.

CRCW080524K9FKEA (Vishay Dale) provides automotive AEC-Q200 qualification with compact height profile (0.50mm) and 15,300 units available.

RC0805FR-0724K9L (YAGEO) offers an alternative packaging format (Cut Tape & Digi-Reel) with 30,042 units in stock, suitable for applications requiring non-reel packaging.

For Enhanced Power Dissipation Applications (0.5W / 1/2W):

CRCW080524K9FKEAHP (Vishay Dale) and RCS080524K9FKEA (Vishay Dale) both provide doubled power rating (0.5W) with pulse withstanding capability while maintaining identical resistance, tolerance, and temperature specifications. Both carry automotive AEC-Q200 qualification. CRCW080524K9FKEAHP offers significantly higher inventory (45,758 units) compared to RCS080524K9FKEA (7,227 units).

All substitute parts maintain identical operating temperature range (-55°C ~ 155°C), temperature coefficient (±100ppm/°C), and environmental compliance ratings as the primary part.

Frequently Asked Questions (FAQ)

Q: Can CRCW080524K9FKEAHP (0.5W) be used as a direct replacement for RCS2012F2492CS (0.125W)?

A: Yes, from an electrical and mechanical standpoint. The 0.5W part maintains identical resistance (24.9 kOhms), tolerance (±1%), package (0805), and operating temperature range. The higher power rating provides additional thermal margin and does not create incompatibility. However, circuit design must accommodate the slightly different physical height (0.50mm vs. 0.66mm) if space constraints exist.

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

A: Tape & Reel packaging is supplied on continuous carrier tape wound on reels, suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging is supplied in shorter tape segments on reels, typically for lower-volume applications or manual assembly. Both formats contain identical components; the difference is in supply format only.

Q: Are all substitute parts automotive-qualified?

A: Not all. AC0805FR-0724K9L, CRCW080524K9FKEA, CRCW080524K9FKEAHP, ERJ-6ENF2492V, RCS080524K9FKEA, and RMCF0805FT24K9 carry automotive AEC-Q200 certification. RC0805FR-0724K9L and the primary part RCS2012F2492CS do not list AEC-Q200 qualification. Selection depends on application requirements.

Q: What does MSL Level 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life without special moisture control measures. No baking or desiccant storage is required prior to soldering, making handling and logistics simpler compared to higher MSL ratings.

Q: Can I substitute based on height differences alone?

A: No. While height variations exist (0.50mm to 0.70mm), all parts conform to the 0805 (2012 Metric) package specification. Height differences are within standard tolerance and do not affect electrical performance or PCB assembly compatibility. Selection should prioritize electrical parameters and application requirements rather than minor height variations.

Q: Which substitute offers the best inventory availability?

A: RMCF0805FT24K9 (Stackpole Electronics Inc) provides the highest inventory at 239,180 units with identical electrical specifications to the primary part and automotive AEC-Q200 qualification.