Equivalent & Substitute Parts for RCS2012F3091CS

Part Overview

The RCS2012F3091CS is a 3.09 kOhms ±1% 0.125W chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This thick film resistor features anti-sulfur and moisture-resistant properties, with an operating temperature range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent substitute parts are necessary to address supply chain continuity, inventory availability, or specific application requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

RCS2012F3091CS

Samsung Electro-MechanicsIn Stock: 970RCS2012F3091CS Datasheet

Current PartRFQ

CRCW08053K09FKEA

Vishay DaleIn Stock: 99569CRCW08053K09FKEA Datasheet

SimilarRFQ

ERJ-6ENF3091V

Panasonic Electronic ComponentsIn Stock: 22414ERJ-6ENF3091V Datasheet

SimilarRFQ

RC0805FR-073K09L

YAGEOIn Stock: 59637RC0805FR-073K09L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F3091CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 3.09 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.125W / 1/8W (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C to 155°C (exact match required)

Mechanical Parameters:

• Package format: 0805 (2012 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Number of terminations: 2 (exact match required)

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

All substitute parts listed below meet these criteria without exception. Variations in packaging type (Tape & Reel vs. Cut Tape), seated height tolerances, or additional certifications (such as AEC-Q200 automotive qualification) do not affect substitution eligibility, as these represent enhanced or alternative specifications rather than deviations from core requirements.

Parameter Comparison

Engineering Selection Recommendations

All four parts listed—RCS2012F3091CS, CRCW08053K09FKEA, ERJ-6ENF3091V, and RC0805FR-073K09L—are functionally equivalent for direct substitution in applications requiring a 3.09 kOhms ±1% 0.125W 0805 thick film resistor. Each part maintains active production status and full ROHS3 compliance.

Selection Considerations Based on Provided Specifications:

CRCW08053K09FKEA (Vishay Dale): This substitute includes AEC-Q200 automotive qualification, indicating suitability for automotive-grade applications. The seated height of 0.020" (0.50mm) is the lowest among all options, which may be advantageous in space-constrained PCB designs.

ERJ-6ENF3091V (Panasonic Electronic Components): This substitute also carries AEC-Q200 automotive qualification. The seated height of 0.028" (0.70mm) is the highest specification, which may be relevant for applications with specific clearance requirements. Packaging is available in Cut Tape and Digi-Reel format.

RC0805FR-073K09L (YAGEO): This substitute features moisture-resistant properties consistent with the main part. The seated height of 0.024" (0.60mm) represents a mid-range specification. Packaging is Tape & Reel format.

RCS2012F3091CS (Samsung Electro-Mechanics): The original part includes anti-sulfur and moisture-resistant features. The seated height of 0.026" (0.66mm) is within the standard range.

All parts are ROHS3 compliant with MSL 1 (Unlimited) rating, ensuring compatibility with standard PCB assembly processes and long-term storage without moisture sensitivity concerns.

Frequently Asked Questions (FAQ)

Q: Can CRCW08053K09FKEA replace RCS2012F3091CS in non-automotive applications?

A: Yes. The CRCW08053K09FKEA meets all electrical and mechanical specifications required for the RCS2012F3091CS. AEC-Q200 automotive qualification is an additional certification that does not restrict use in non-automotive applications. The part is fully compatible.

Q: What is the significance of the different seated heights (0.020" to 0.028")?

A: Seated height variations reflect manufacturing tolerances and design differences among manufacturers. All listed parts remain within acceptable 0805 package specifications. Seated height becomes relevant only in applications with strict vertical clearance constraints, such as low-profile assemblies or designs with minimal component-to-component spacing.

Q: Are the packaging format differences (Tape & Reel vs. Cut Tape) significant for substitution?

A: Packaging format affects handling, storage, and assembly logistics but does not impact electrical or mechanical performance. Tape & Reel packaging is standard for high-volume automated assembly. Cut Tape and Digi-Reel formats are suitable for lower-volume or manual assembly processes. Selection should align with your assembly equipment and process requirements.

Q: Do all substitute parts maintain the same temperature coefficient?

A: Yes. All listed parts, including the main part RCS2012F3091CS, specify a temperature coefficient of ±100ppm/°C. This ensures consistent performance across the full operating temperature range of -55°C to 155°C.

Q: Is RoHS3 compliance uniform across all parts?

A: Yes. All four parts—RCS2012F3091CS, CRCW08053K09FKEA, ERJ-6ENF3091V, and RC0805FR-073K09L—are ROHS3 compliant. This ensures compatibility with modern PCB assembly standards and regulatory requirements.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. All parts are electrically and mechanically equivalent for the 0805 package format. They can be used interchangeably without circuit redesign or PCB layout modification. Inventory management or supply chain decisions can drive part selection without technical constraints.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: MSL 1 indicates the lowest moisture sensitivity level. These parts do not require special moisture-controlled storage conditions and have unlimited shelf life when stored under standard industrial conditions. No baking or desiccant packaging is required prior to assembly.