RCS2012F30R1CS Equivalent & Substitute Parts

Part Overview

The RCS2012F30R1CS is a 30.1 Ohm ±1% 1/8W (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 construction. 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), mechanical compatibility (package size, termination count), environmental ratings, and compliance certifications. Alternative sources provide design flexibility, supply chain redundancy, and application-specific feature options.

Substiute Parts

RCS2012F30R1CS

Samsung Electro-MechanicsIn Stock: 787RCS2012F30R1CS Datasheet

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CRCW080530R1FKEA

Vishay DaleIn Stock: 24167CRCW080530R1FKEA Datasheet

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CRCW080530R1FKEAHP

Vishay DaleIn Stock: 15649CRCW080530R1FKEAHP Datasheet

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ERJ-6ENF30R1V

Panasonic Electronic ComponentsIn Stock: 125287ERJ-6ENF30R1V Datasheet

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RC0805FR-0730R1L

YAGEOIn Stock: 60560RC0805FR-0730R1L Datasheet

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RCS080530R1FKEA

Vishay DaleIn Stock: 12011RCS080530R1FKEA Datasheet

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RMCF0805FT30R1

Stackpole Electronics IncIn Stock: 10207RMCF0805FT30R1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution logic is based on the following critical parameters that must match or exceed the main part specifications:

Mandatory Matching Parameters:

• Resistance value: 30.1 Ohms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Number of Terminations: 2
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

• Power Rating: Substitute parts rated at 0.125W (1/8W) or higher (0.5W / 1/2W) are acceptable. Higher power ratings provide additional thermal margin without affecting circuit function.
• Features: Substitute parts may include additional certifications (AEC-Q200 automotive qualification) or enhanced properties (pulse withstanding, anti-sulfur) beyond the base specification.

All identified substitutes maintain identical electrical performance and mechanical compatibility while offering alternative sourcing options from established manufacturers.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Identical Power Rating - 0.125W):

CRCW080530R1FKEA, ERJ-6ENF30R1V, RC0805FR-0730R1L, and RMCF0805FT30R1 are direct electrical and mechanical equivalents to RCS2012F30R1CS. These parts maintain identical 0.125W power rating and all critical electrical parameters. Selection among these options depends on supply availability, manufacturer preference, and application-specific certifications. ERJ-6ENF30R1V (Panasonic) and RMCF0805FT30R1 (Stackpole) carry AEC-Q200 automotive qualification, suitable for automotive and industrial applications requiring enhanced reliability standards.

Higher Power Rating Alternatives (0.5W / 1/2W):

CRCW080530R1FKEAHP and RCS080530R1FKEA provide 0.5W power rating in the same 0805 package footprint. These parts are suitable for applications where thermal margin or pulse withstanding capability is required. Both are Vishay Dale products with AEC-Q200 automotive qualification and pulse withstanding features. Higher power rating does not affect circuit function in applications designed for 0.125W operation; it provides additional safety margin.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance, unlimited MSL rating, and -55°C to 155°C operating temperature range. Parts designated with AEC-Q200 rating (Vishay Dale CRCW series, Panasonic ERJ-6EN, Stackpole RMCF) meet automotive qualification standards and are suitable for automotive, industrial, and high-reliability applications.

Frequently Asked Questions (FAQ)

Q: Can CRCW080530R1FKEAHP (0.5W) be used as a direct replacement for RCS2012F30R1CS (0.125W)?

A: Yes. The 0.5W part is mechanically and electrically compatible. The higher power rating provides additional thermal dissipation capability without affecting circuit operation. The 0805 package dimensions, resistance value, tolerance, and temperature coefficient remain identical. Use of higher power rating is acceptable in all applications designed for the 0.125W specification.

Q: What is the difference between CRCW080530R1FKEA and CRCW080530R1FKEAHP?

A: Both are Vishay Dale 0805 30.1 Ohm ±1% resistors with AEC-Q200 automotive qualification. The primary difference is power rating: CRCW080530R1FKEA is rated 0.125W (1/8W), while CRCW080530R1FKEAHP is rated 0.5W (1/2W) with pulse withstanding capability. Electrical performance and package dimensions are otherwise identical.

Q: Are all substitute parts suitable for automotive applications?

A: ERJ-6ENF30R1V (Panasonic), CRCW080530R1FKEA (Vishay Dale), CRCW080530R1FKEAHP (Vishay Dale), RCS080530R1FKEA (Vishay Dale), and RMCF0805FT30R1 (Stackpole) carry AEC-Q200 automotive qualification. RC0805FR-0730R1L (YAGEO) and RCS2012F30R1CS (Samsung) do not carry explicit AEC-Q200 designation but meet ROHS3 compliance and industrial temperature range requirements.

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

A: MSL 1 indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. No baking or desiccant storage is required prior to assembly. All listed parts maintain MSL 1 rating.

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

A: Yes. All substitute parts meet identical electrical specifications (30.1 Ohms ±1%, ±100ppm/°C, -55°C to 155°C), mechanical compatibility (0805 package, 2 terminations), and compliance standards (ROHS3, MSL 1). Mixed sourcing is acceptable from a technical standpoint. Verify with procurement and quality assurance for any internal sourcing policies.

Q: What is the significance of "Pulse Withstanding" feature in CRCW080530R1FKEAHP?

A: Pulse withstanding capability indicates the resistor can tolerate transient overvoltage or overcurrent pulses beyond steady-state power rating without degradation. This feature is relevant for applications with switching transients, inductive load switching, or ESD protection circuits. For standard DC or low-frequency AC applications, this feature provides additional margin but is not required.

Q: Are there inventory considerations when selecting substitutes?

A: Inventory levels vary by part and supplier. ERJ-6ENF30R1V (Panasonic) shows 125,212 pcs availability, CRCW080530R1FKEA (Vishay Dale) shows 24,088 pcs, and RC0805FR-0730R1L (YAGEO) shows 60,526 pcs. Verify current inventory with your component supplier for lead time and availability assurance.