RCS2012J244CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012J244CS is a 240 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) surface mount package. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. The part is supplied in Tape & Reel packaging with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching or superior electrical and mechanical specifications within the 0805 package form factor. Substitutes maintain the same resistance value (240 kOhms), operating temperature range (-55°C to 155°C), and package dimensions while offering alternative tolerance grades, power ratings, or manufacturer options.

Substiute Parts

RCS2012J244CS

Samsung Electro-MechanicsIn Stock: 746RCS2012J244CS Datasheet

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AC0805FR-07240KL

YAGEOIn Stock: 10799AC0805FR-07240KL Datasheet

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CRCW0805240KFKEA

Vishay DaleIn Stock: 25726CRCW0805240KFKEA Datasheet

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CRCW0805240KFKEAHP

Vishay DaleIn Stock: 6657CRCW0805240KFKEAHP Datasheet

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ERJ-6ENF2403V

Panasonic Electronic ComponentsIn Stock: 71789ERJ-6ENF2403V Datasheet

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RC0805FR-07240KL

YAGEOIn Stock: 135543RC0805FR-07240KL Datasheet

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RC0805JR-07240KL

YAGEOIn Stock: 22063RC0805JR-07240KL Datasheet

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RMCF0805FT240K

Stackpole Electronics IncIn Stock: 9856RMCF0805FT240K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012J244CS are grouped based on strict equivalence of the following critical parameters:

Primary Equivalence Criteria:

• Resistance value: 240 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)

Secondary Variation Parameters (Allowed Differences):

• Tolerance: ±5% (main part) to ±1% (substitute parts) — tighter tolerance is acceptable
• Power Rating: 0.125W (main part) to 0.5W (substitute CRCW0805240KFKEAHP) — higher power rating is acceptable
• Manufacturer: Samsung Electro-Mechanics, YAGEO, Vishay Dale, Panasonic, Stackpole Electronics
• Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®
• Features: Anti-Sulfur, Moisture Resistant, Automotive AEC-Q200, Pulse Withstanding

All substitute parts maintain identical mechanical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and electrical performance within the specified operating range.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Identical Tolerance ±5%):

RC0805JR-07240KL (YAGEO) provides direct functional equivalence to RCS2012J244CS with matching ±5% tolerance and 0.125W power rating. Both components share identical electrical specifications and operating parameters. This substitute is suitable for applications where tolerance grade is a critical design parameter.

Upgraded Substitutes (Tighter Tolerance ±1%):

AC0805FR-07240KL, CRCW0805240KFKEA, ERJ-6ENF2403V, RC0805FR-07240KL, and RMCF0805FT240K all provide ±1% tolerance, representing improved accuracy over the original ±5% specification. These parts maintain 0.125W power rating and are electrically and mechanically compatible. The tighter tolerance does not introduce incompatibility and may enhance circuit performance in precision applications.

Enhanced Power Rating Substitute:

CRCW0805240KFKEAHP (Vishay Dale) offers 0.5W power rating with ±1% tolerance and pulse withstanding capability. This part is mechanically compatible within the 0805 package and electrically equivalent for standard operation. The higher power rating provides additional thermal margin and is suitable for applications requiring enhanced pulse handling.

Automotive-Qualified Substitutes:

AC0805FR-07240KL, CRCW0805240KFKEA, CRCW0805240KFKEAHP, ERJ-6ENF2403V, and RMCF0805FT240K carry Automotive AEC-Q200 qualification. These parts meet automotive reliability standards and are suitable for automotive and industrial applications requiring enhanced qualification documentation.

Packaging Considerations:

RC0805FR-07240KL is supplied in Cut Tape (CT) & Digi-Reel® format, while all other substitutes are supplied in Tape & Reel (TR) format matching the original part. Packaging format selection depends on assembly process requirements and volume specifications.

All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and identical operating temperature range (-55°C to 155°C).

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS2012J244CS with a ±1% tolerance part?

A: Yes. Parts with ±1% tolerance (AC0805FR-07240KL, CRCW0805240KFKEA, ERJ-6ENF2403V, RC0805FR-07240KL, RMCF0805FT240K) are electrically and mechanically compatible. Tighter tolerance represents improved accuracy and does not introduce incompatibility. Selection depends on circuit requirements and cost considerations.

Q: What is the difference between RC0805JR-07240KL and RC0805FR-07240KL?

A: Both are YAGEO products with 240 kOhms resistance and 0.125W power rating. RC0805JR-07240KL has ±5% tolerance and Tape & Reel packaging, matching the original RCS2012J244CS tolerance. RC0805FR-07240KL has ±1% tolerance and Cut Tape & Digi-Reel® packaging. Both are moisture resistant and ROHS3 compliant.

Q: Can I use CRCW0805240KFKEAHP with 0.5W rating instead of 0.125W?

A: Yes. CRCW0805240KFKEAHP is mechanically and electrically compatible. The 0.5W rating is higher than the original 0.125W specification, providing additional thermal margin and pulse withstanding capability. This substitution is suitable for applications where enhanced power handling is beneficial or required.

Q: Are automotive-qualified parts necessary for non-automotive applications?

A: Automotive AEC-Q200 qualification is not required for non-automotive applications. However, these parts (AC0805FR-07240KL, CRCW0805240KFKEA, CRCW0805240KFKEAHP, ERJ-6ENF2403V, RMCF0805FT240K) meet enhanced reliability standards and are functionally equivalent. Selection depends on application requirements and supply chain availability.

Q: What is the significance of anti-sulfur and moisture-resistant features?

A: The original RCS2012J244CS includes anti-sulfur and moisture-resistant construction. Most substitute parts maintain moisture resistance. Anti-sulfur protection is specific to Samsung Electro-Mechanics design. For applications in corrosive or high-humidity environments, verify that selected substitutes include appropriate environmental protection features.

Q: Can I mix different manufacturers in the same circuit board?

A: Yes. All substitute parts meet identical electrical specifications, operating temperature range, and package dimensions. Mixing manufacturers (Samsung, YAGEO, Vishay Dale, Panasonic, Stackpole) within the same assembly is electrically and mechanically valid. Verify that procurement and quality documentation requirements are satisfied for each manufacturer.

Q: What packaging format should I select?

A: Tape & Reel (TR) format is standard for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® format (RC0805FR-07240KL) is suitable for lower volumes or mixed component kits. Selection depends on assembly equipment capability and order quantity requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1), matching the original RCS2012J244CS compliance status.