RC2012J240CS 24 Ohm 0805 SMD Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012J240CS is a 24 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are necessary when the original RC2012J240CS becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design specifications permit tolerance or performance upgrades. Substitute parts must maintain identical resistance value, package dimensions, and core electrical characteristics while potentially offering enhanced tolerance, automotive qualification, or alternative packaging options.

Substiute Parts

RC2012J240CS

Samsung Electro-MechanicsIn Stock: 1133RC2012J240CS Datasheet

Current PartRFQ

RC0805JR-0724RL

YAGEOIn Stock: 2144RC0805JR-0724RL Datasheet

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AC0805FR-0724RL

YAGEOIn Stock: 18764AC0805FR-0724RL Datasheet

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ERJ-6ENF24R0V

Panasonic Electronic ComponentsIn Stock: 302133ERJ-6ENF24R0V Datasheet

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KTR10EZPF24R0

Rohm SemiconductorIn Stock: 4108KTR10EZPF24R0 Datasheet

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RC0805FR-0724RL

YAGEOIn Stock: 384204RC0805FR-0724RL Datasheet

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RMCF0805FT24R0

Stackpole Electronics IncIn Stock: 78934RMCF0805FT24R0 Datasheet

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AC0805JR-0724RL

YAGEOIn Stock: 5183AC0805JR-0724RL Datasheet

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CRCW080524R0FKEA

Vishay DaleIn Stock: 23097CRCW080524R0FKEA Datasheet

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CRCW080524R0FKEAHP

Vishay DaleIn Stock: 5057CRCW080524R0FKEAHP Datasheet

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ESR10EZPF24R0

Rohm SemiconductorIn Stock: 20796ESR10EZPF24R0 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC2012J240CS is determined by the following mandatory parameters:

Primary Substitution Criteria (Must Match Exactly):

• Resistance value: 24 Ohms
• Package / Case: 0805 (2012 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C to 155°C
• Temperature coefficient: ±100ppm/°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: MSL 1 (Unlimited)

Secondary Substitution Parameters (Allowable Variations):

• Tolerance: ±5% (original) to ±1% (upgrade)
• Power rating: 0.125W (original) to 0.4W or 0.5W (upgrade)
• Packaging format: Tape & Reel (TR) or Cut Tape (CT)
• Manufacturer: Samsung Electro-Mechanics, YAGEO, Panasonic, Rohm, Vishay Dale, Stackpole Electronics

Substitution Categories:

Direct Equivalents maintain ±5% tolerance and 0.125W power rating with identical electrical performance.

Upgrade Substitutes offer improved tolerance (±1%) or higher power ratings (0.4W or 0.5W) while maintaining all core electrical and environmental specifications. Upgrades may include automotive AEC-Q200 qualification.

Similar Parts share the same resistance, package, and temperature range but differ in tolerance or power rating, suitable for applications where specification relaxation is acceptable.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection:

RC0805JR-0724RL (YAGEO) serves as the primary direct equivalent to RC2012J240CS. Both components maintain ±5% tolerance, 0.125W power rating, and identical electrical specifications. The primary difference is packaging format: RC0805JR-0724RL is supplied in Cut Tape & Digi-Reel format versus Tape & Reel for the original part. This substitution is appropriate for applications where tolerance and power specifications are fixed requirements and packaging format flexibility exists.

Upgrade Substitute Selection:

For applications requiring improved tolerance performance, the following ±1% tolerance upgrades are available:

RC0805FR-0724RL (YAGEO) provides ±1% tolerance with moisture-resistant construction, maintaining the non-automotive qualification of the original part. This upgrade is suitable for precision analog circuits where tolerance tightening improves circuit performance without introducing automotive-specific requirements.

AC0805FR-0724RL (YAGEO), ERJ-6ENF24R0V (Panasonic), KTR10EZPF24R0 (Rohm), RMCF0805FT24R0 (Stackpole), and CRCW080524R0FKEA (Vishay Dale) all provide ±1% tolerance with AEC-Q200 automotive qualification. These upgrades are appropriate for automotive applications, industrial environments requiring enhanced reliability, or designs where tighter tolerance improves system performance.

Higher Power Rating Substitutes:

CRCW080524R0FKEAHP (Vishay Dale) offers 0.5W power rating with ±1% tolerance and pulse withstanding capability. ESR10EZPF24R0 (Rohm) provides 0.4W power rating with ±1% tolerance and pulse withstanding capability. These substitutes are appropriate when circuit design requires increased thermal dissipation capability or pulse current handling beyond the original 0.125W specification.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited) moisture sensitivity rating, and identical operating temperature range (-55°C to 155°C). All parts are Active product status with established supply availability. Selection between substitutes should prioritize application-specific requirements: tolerance precision, automotive qualification necessity, power dissipation demands, and packaging format compatibility with assembly equipment.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-0724RL replace RC2012J240CS in all applications?

A: RC0805JR-0724RL is a direct electrical equivalent with identical resistance (24 Ohms), tolerance (±5%), power rating (0.125W), and operating temperature range. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel). Substitution is valid for all applications where the packaging format is compatible with assembly equipment. Verify reel specifications with your procurement or assembly department.

Q: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents maintain all electrical specifications of the original part, including tolerance and power rating. Upgrade substitutes improve one or more specifications—typically tolerance (±5% to ±1%) or power rating (0.125W to 0.4W or 0.5W)—while maintaining core electrical performance. Upgrades may also include automotive AEC-Q200 qualification. Use upgrades when circuit design permits improved specifications or when automotive applications require enhanced reliability.

Q: Are all substitute parts suitable for automotive applications?

A: No. The original RC2012J240CS does not carry AEC-Q200 automotive qualification. Direct equivalent RC0805JR-0724RL also lacks AEC-Q200 qualification. Automotive-qualified substitutes include AC0805FR-0724RL, ERJ-6ENF24R0V, KTR10EZPF24R0, RMCF0805FT24R0, CRCW080524R0FKEA, CRCW080524R0FKEAHP, and ESR10EZPF24R0. Select automotive-qualified parts only when application requirements specify AEC-Q200 compliance.

Q: What does ±1% tolerance mean compared to ±5%?

A: Tolerance specifies the allowable deviation from the nominal 24 Ohm resistance value. ±5% tolerance allows resistance between 22.8 Ohms and 25.2 Ohms. ±1% tolerance allows resistance between 23.76 Ohms and 24.24 Ohms. Tighter tolerance (±1%) provides more precise resistance values, improving circuit accuracy in applications sensitive to component value variation. Use ±1% upgrades in precision analog circuits, sensor interfaces, or measurement applications where tolerance tightening improves performance.

Q: What is the significance of MSL Level 1 (Unlimited) moisture sensitivity?

A: MSL Level 1 (Unlimited) indicates the component requires no special moisture protection during storage or handling. Standard warehouse conditions are acceptable. All substitute parts maintain MSL Level 1 rating, eliminating moisture-related handling constraints. This specification is identical across all equivalent and substitute parts listed.

Q: Can CRCW080524R0FKEAHP (0.5W) be used where RC2012J240CS (0.125W) is specified?

A: CRCW080524R0FKEAHP is electrically compatible and physically identical in package dimensions. The higher power rating (0.5W versus 0.125W) indicates greater thermal dissipation capability. Substitution is valid when circuit design permits the higher power rating. The component will not dissipate more power than the circuit demands; the higher rating simply provides additional thermal margin. Verify that PCB layout and thermal design accommodate the substitute component if thermal performance is critical.

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

A: Both formats contain identical components. Tape & Reel (TR) supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape & Digi-Reel (CT) supplies components on cut tape segments or alternative reel formats, suitable for lower-volume assembly or manual placement. Substitution between formats is valid when assembly equipment compatibility exists. Verify packaging format compatibility with your assembly department before substitution.

Q: Are all substitute parts in active production status?

A: Yes. All substitute parts listed maintain Active product status, indicating current manufacturing and established supply availability. No obsolete or end-of-life components are included in this substitution list.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is the Automotive Electronics Council qualification standard for passive components in automotive applications. AEC-Q200 certification indicates the component meets automotive industry reliability, temperature cycling, and performance requirements. Use AEC-Q200 qualified parts in automotive applications or when enhanced reliability specifications are required. The original RC2012J240CS does not carry AEC-Q200 qualification; automotive-qualified upgrades are available if needed.