RCS2012F30R9CS Equivalent & Substitute Parts

Part Overview

The RCS2012F30R9CS is a 30.9 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This component is classified as Active product status and is designed for general-purpose applications requiring precision resistive elements with anti-sulfur and moisture-resistant properties. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental compliance requirements are met across alternative manufacturers.

Substiute Parts

RCS2012F30R9CS

Samsung Electro-MechanicsIn Stock: 901RCS2012F30R9CS Datasheet

Current PartRFQ

CRCW080530R9FKEA

Vishay DaleIn Stock: 19242CRCW080530R9FKEA Datasheet

SimilarRFQ

ERJ-6ENF30R9V

Panasonic Electronic ComponentsIn Stock: 13323ERJ-6ENF30R9V Datasheet

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RC0805FR-0730R9L

YAGEOIn Stock: 6752RC0805FR-0730R9L Datasheet

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RMCF0805FT30R9

Stackpole Electronics IncIn Stock: 5758RMCF0805FT30R9 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F30R9CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (30.9 Ohms), tolerance (±1%), and power rating (0.125W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (0805 / 2012 Metric) and number of terminations (2) ensure physical and electrical interface compatibility with printed circuit board layouts and assembly processes.

Environmental & Compliance Requirements: All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and REACH unaffected status, ensuring regulatory alignment with the original component.

Composition & Construction: Thick film construction is maintained across all substitutes to preserve electrical performance characteristics and reliability profiles.

The four substitute parts listed below meet all substitution criteria and are directly interchangeable with the RCS2012F30R9CS in applications where these parameters are specified.

Parameter Comparison

Engineering Selection Recommendations

All five components listed in this reference maintain Active product status and full ROHS3 compliance. Selection among these parts is based on availability, supply chain considerations, and specific application certifications.

CRCW080530R9FKEA (Vishay Dale): Carries AEC-Q200 automotive qualification and demonstrates the lowest seated height (0.50mm), suitable for space-constrained applications and automotive-grade circuit designs.

ERJ-6ENF30R9V (Panasonic Electronic Components): Provides AEC-Q200 automotive qualification with highest inventory availability (13,311 pcs) and maximum seated height (0.70mm), appropriate for general industrial and automotive applications.

RC0805FR-0730R9L (YAGEO): Offers moisture-resistant construction with moderate seated height (0.60mm) and substantial inventory (6,650 pcs), suitable for standard industrial applications.

RMCF0805FT30R9 (Stackpole Electronics Inc): Features AEC-Q200 automotive qualification with seated height of 0.65mm and adequate inventory (5,682 pcs), appropriate for automotive and industrial applications.

RCS2012F30R9CS (Samsung Electro-Mechanics): Original specification part with anti-sulfur and moisture-resistant properties, seated height 0.66mm, and 816 pcs current inventory.

Frequently Asked Questions (FAQ)

Q: Can CRCW080530R9FKEA replace RCS2012F30R9CS in all applications?

A: Yes. Both components share identical electrical specifications (30.9 Ohms ±1%, 0.125W), thermal characteristics (±100ppm/°C, -55°C ~ 155°C), package format (0805), and compliance status (ROHS3, MSL 1). The CRCW080530R9FKEA has a lower seated height (0.50mm vs 0.66mm), which may provide advantages in space-constrained PCB layouts.

Q: What is the significance of AEC-Q200 qualification on substitute parts?

A: AEC-Q200 is an automotive industry standard qualification. CRCW080530R9FKEA, ERJ-6ENF30R9V, and RMCF0805FT30R9 carry this certification, indicating compliance with automotive reliability and performance requirements. The RCS2012F30R9CS and RC0805FR-0730R9L do not list this qualification but remain suitable for non-automotive applications.

Q: Are there dimensional compatibility concerns between these substitutes?

A: All parts conform to 0805 (2012 Metric) package specifications with identical length (2.00mm) and width (1.25mm). Seated heights vary between 0.50mm and 0.70mm. These variations are within standard PCB assembly tolerances and do not affect electrical performance or mechanical fit in standard 0805 footprints.

Q: Do all substitute parts have the same moisture sensitivity rating?

A: Yes. All five components maintain MSL Level 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage, handling, or assembly processes.

Q: Which substitute offers the best inventory availability?

A: ERJ-6ENF30R9V (Panasonic) provides the highest inventory level at 13,311 pcs, followed by CRCW080530R9FKEA (Vishay Dale) at 19,215 pcs. Both represent substantial stock positions for supply chain continuity.