Equivalent & Substitute Parts for RCS2012F431CS

Part Overview

The RCS2012F431CS is a 430 Ohm ±1% 1/8W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to support design flexibility and supply chain continuity.

Substiute Parts

RCS2012F431CS

Samsung Electro-MechanicsIn Stock: 923RCS2012F431CS Datasheet

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AC0805FR-07430RL

YAGEOIn Stock: 4075AC0805FR-07430RL Datasheet

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CRCW0805430RFKEA

Vishay DaleIn Stock: 10443CRCW0805430RFKEA Datasheet

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ERJ-6ENF4300V

Panasonic Electronic ComponentsIn Stock: 104859ERJ-6ENF4300V Datasheet

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ESR10EZPF4300

Rohm SemiconductorIn Stock: 27540ESR10EZPF4300 Datasheet

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RC0805FR-07430RL

YAGEOIn Stock: 28260RC0805FR-07430RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Electrical Equivalence: Resistance value (430 Ohms), tolerance (±1%), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package type (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm), and number of terminations (2) must be identical.

Environmental Compliance: RoHS3 compliance and MSL rating (1 - Unlimited) are required for all substitutes.

Operational Parameters: Operating temperature range (-55°C ~ 155°C) must be maintained.

All identified substitute parts meet these criteria. Power rating variations and feature differences (such as automotive AEC-Q200 certification or pulse withstanding capability) are noted but do not disqualify substitution when electrical and mechanical parameters align.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical and Mechanical Specifications):

AC0805FR-07430RL, CRCW0805430RFKEA, ERJ-6ENF4300V, and RC0805FR-07430RL are direct substitutes for RCS2012F431CS. All maintain 430 Ohm resistance, ±1% tolerance, 0.125W power rating, 0805 package, and -55°C to 155°C operating range. All are ROHS3 compliant with MSL 1 rating.

Substitute with Enhanced Power Rating:

ESR10EZPF4300 provides 0.4W power rating while maintaining all other electrical specifications. This part is suitable for applications requiring higher power dissipation capability within the same package footprint.

Automotive Applications:

AC0805FR-07430RL, CRCW0805430RFKEA, and ERJ-6ENF4300V carry AEC-Q200 automotive qualification. These parts are appropriate for automotive-grade applications where such certification is required.

Packaging Considerations:

RCS2012F431CS and CRCW0805430RFKEA are supplied in Tape & Reel (TR) packaging. AC0805FR-07430RL is available in Cut Tape (CT) & Digi-Reel® packaging. RC0805FR-07430RL and ERJ-6ENF4300V are supplied in Tape & Reel (TR) packaging. Packaging selection depends on assembly process requirements.

Frequently Asked Questions (FAQ)

Q: Can ESR10EZPF4300 be used as a direct replacement for RCS2012F431CS?

A: ESR10EZPF4300 is electrically and mechanically compatible. The primary difference is power rating (0.4W versus 0.125W). In applications where the circuit design requires only 0.125W dissipation, the higher power rating does not create incompatibility. However, if the PCB layout or thermal design is optimized for the lower power rating, verification of thermal performance is necessary.

Q: What is the difference between automotive-qualified and non-automotive parts?

A: AC0805FR-07430RL, CRCW0805430RFKEA, and ERJ-6ENF4300V carry AEC-Q200 certification, indicating compliance with automotive reliability and quality standards. RCS2012F431CS and RC0805FR-07430RL do not carry this certification. Selection depends on application requirements and end-use environment.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of RCS2012F431CS.

Q: What is the significance of height differences among substitute parts?

A: Height variations (0.50mm to 0.70mm) are within typical 0805 package tolerances. These differences may affect PCB clearance in space-constrained designs. CRCW0805430RFKEA has the lowest profile (0.50mm), while ERJ-6ENF4300V has the highest (0.70mm). Verify PCB layout constraints before selection.

Q: Can I mix different manufacturers' parts in the same assembly?

A: All substitute parts meet identical electrical and mechanical specifications. Mixing manufacturers is permissible from a functional standpoint. However, supply chain and quality control procedures should account for manufacturer-specific documentation and traceability requirements.