RCS2012F303CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F303CS is a 30 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 with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across -55°C to 155°C temperature range.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, physical dimensions). Substitute parts may vary in packaging format, manufacturer-specific features, or enhanced ratings while maintaining functional equivalence for standard circuit applications.

Substiute Parts

RCS2012F303CS

Samsung Electro-MechanicsIn Stock: 1078RCS2012F303CS Datasheet

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ERJ-6ENF3002V

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RC0805FR-0730KL

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F303CS are grouped based on strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

• Resistance value: 30 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 0805 (2012 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature: -55°C ~ 155°C (exact match required)
• Terminations: 2 (exact match required)

Secondary Compatibility Parameters:

• Power rating: 0.125W (1/8W) standard; 0.5W (1/2W) acceptable for higher power margin applications
• Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® (interchangeable for component procurement)
• Manufacturer-specific features: Anti-sulfur, Automotive AEC-Q200, Pulse Withstanding (additive features do not prevent substitution)

All substitute parts listed maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (0.125W Power Rating):

AC0805FR-0730KL, CRCW080530K0FKEA, ERJ-6ENF3002V, and RC0805FR-0730KL are direct functional equivalents to RCS2012F303CS. All maintain identical electrical specifications (30 kΩ ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C operating range) and 0805 package geometry. These parts are suitable for direct substitution in applications where the original RCS2012F303CS is specified.

AC0805FR-0730KL and ERJ-6ENF3002V include Automotive AEC-Q200 qualification, providing enhanced reliability for automotive-grade applications. RC0805FR-0730KL offers moisture-resistant characteristics matching the original part's environmental protection.

Higher Power Rating Alternatives (0.5W Power Rating):

CRCW080530K0FKEAHP and RCS080530K0FKEA provide 0.5W (1/2W) power rating while maintaining all other electrical and mechanical parameters. These parts are suitable for applications requiring higher power dissipation margin or pulse withstanding capability. Both include Automotive AEC-Q200 qualification and pulse withstanding features.

Packaging Considerations:

Tape & Reel (TR) packaging is standard for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® packaging is suitable for lower-volume or mixed-component procurement. Selection between packaging formats depends on procurement volume and assembly process requirements, not functional compatibility.

Compliance and Regulatory Status:

All listed substitute parts maintain ROHS3 compliance, MSL 1 (unlimited moisture sensitivity), REACH unaffected status, and EAR99 export classification, matching the regulatory profile of RCS2012F303CS.

Frequently Asked Questions (FAQ)

Q: Can CRCW080530K0FKEAHP (0.5W) be used in place of RCS2012F303CS (0.125W)?

A: Yes. The 0.5W power rating is a higher specification that provides additional power dissipation capability. In circuits designed for 0.125W operation, the 0.5W component will operate within its rated limits with margin. Physical dimensions and electrical characteristics (resistance, tolerance, temperature coefficient) are identical. This substitution is valid for standard applications.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?

A: Tape & Reel (TR) is continuous reel packaging for automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel® is pre-cut tape format suitable for lower-volume orders or mixed-component kits. Both formats contain identical components. Selection depends on procurement volume and assembly equipment compatibility, not component performance.

Q: Are Automotive AEC-Q200 qualified parts (AC0805FR-0730KL, CRCW080530K0FKEA, ERJ-6ENF3002V, RCS080530K0FKEA) compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification indicates enhanced reliability testing and quality standards. These parts meet or exceed the electrical and environmental specifications required for non-automotive applications. AEC-Q200 qualification does not restrict use to automotive circuits; it indicates higher reliability margin.

Q: What is the significance of "Anti-Sulfur" and "Moisture Resistant" features?

A: Anti-sulfur protection prevents corrosion from sulfur-containing atmospheric contaminants. Moisture resistance protects against humidity-induced degradation. These are environmental protection features. Parts with these features (RCS2012F303CS, AC0805FR-0730KL, RC0805FR-0730KL) are suitable for applications in corrosive or high-humidity environments. Parts without explicit mention of these features still maintain MSL 1 rating and ROHS3 compliance for standard industrial environments.

Q: Can substitute parts with different height specifications (0.50mm vs. 0.60mm vs. 0.70mm) be used interchangeably on the same PCB?

A: Yes. Height variation within the 0805 package specification does not affect electrical performance or standard PCB assembly compatibility. Differences in seated height (0.50mm to 0.70mm range) are within normal manufacturing tolerance for 0805 components and do not impact circuit function, soldering process, or component density on standard PCB layouts.

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

A: MSL 1 indicates the component has unlimited shelf life and does not require special moisture-controlled storage or handling. The component can be stored and handled under standard industrial conditions without moisture-related degradation. All listed parts maintain MSL 1 rating.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (AC0805FR-0730KL, CRCW080530K0FKEA, CRCW080530K0FKEAHP, ERJ-6ENF3002V, RC0805FR-0730KL, RCS080530K0FKEA) maintain ROHS3 compliance matching RCS2012F303CS. ROHS3 compliance indicates restriction of hazardous substances in accordance with current regulatory requirements.