RCS2012F5231CS Equivalent & Substitute Parts

Part Overview

The RCS2012F5231CS is a 5.23 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and features anti-sulfur and moisture-resistant construction. The part maintains Active product status with 627 units currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements, enabling direct replacement in circuit applications without functional degradation.

Substiute Parts

RCS2012F5231CS

Samsung Electro-MechanicsIn Stock: 644RCS2012F5231CS Datasheet

Current PartRFQ

CRCW08055K23FKEA

Vishay DaleIn Stock: 24807CRCW08055K23FKEA Datasheet

SimilarRFQ

ERJ-6ENF5231V

Panasonic Electronic ComponentsIn Stock: 167802ERJ-6ENF5231V Datasheet

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RC0805FR-075K23L

YAGEOIn Stock: 118068RC0805FR-075K23L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F5231CS is determined by strict alignment of the following parameters:

Electrical Specifications: Resistance value (5.23 kOhms), tolerance (±1%), power rating (0.125W), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package designation (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W), and termination count (2) must be identical to ensure PCB footprint compatibility.

Environmental & Compliance Requirements: Operating temperature range (-55°C ~ 155°C), RoHS3 compliance, MSL rating (1), and REACH status must be equivalent or superior.

Composition & Construction: Thick film construction is required. Additional features such as automotive qualification (AEC-Q200) or enhanced moisture resistance represent functional enhancements that do not preclude substitution.

All identified substitute parts meet these criteria and are classified as direct equivalents.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts (CRCW08055K23FKEA, ERJ-6ENF5231V, and RC0805FR-075K23L) are functionally equivalent to the RCS2012F5231CS and are suitable for direct replacement in circuit applications.

CRCW08055K23FKEA (Vishay Dale): This substitute carries AEC-Q200 automotive qualification, indicating enhanced reliability screening and suitability for automotive applications. The seated height of 0.020" is the lowest among all options, which may provide advantages in space-constrained layouts.

ERJ-6ENF5231V (Panasonic Electronic Components): This substitute also carries AEC-Q200 automotive qualification and offers the highest inventory availability (167,761 units). The seated height of 0.028" is within acceptable tolerance for standard PCB assembly processes.

RC0805FR-075K23L (YAGEO): This substitute features moisture-resistant construction aligned with the original part's environmental specifications. The seated height of 0.024" provides a mid-range profile. Inventory availability is substantial at 117,991 units.

Selection among these equivalents should be based on supply chain availability, cost considerations, and specific application requirements such as automotive qualification needs.

Frequently Asked Questions (FAQ)

Q: Can CRCW08055K23FKEA replace RCS2012F5231CS in all applications?

A: Yes. Both components share identical electrical specifications (5.23 kOhms ±1%, 0.125W), mechanical dimensions (0805 package), and environmental ratings (-55°C ~ 155°C). The AEC-Q200 qualification of the Vishay part represents an additional certification that does not restrict its use in non-automotive applications.

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

A: AEC-Q200 is an automotive industry qualification standard indicating enhanced reliability testing and quality assurance. Parts carrying this certification are suitable for both automotive and general industrial applications. The absence of this rating on the original RCS2012F5231CS does not preclude the use of AEC-Q200 qualified substitutes.

Q: Are there dimensional differences between the substitute parts?

A: Seated height varies slightly among the options: RCS2012F5231CS (0.026"), CRCW08055K23FKEA (0.020"), ERJ-6ENF5231V (0.028"), and RC0805FR-075K23L (0.024"). All values remain within acceptable tolerances for standard 0805 package specifications. Length and width dimensions (0.079" x 0.049") are identical across all parts.

Q: Do all substitute parts meet RoHS3 and REACH compliance requirements?

A: Yes. All identified substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the original RCS2012F5231CS.

Q: What is Moisture Sensitivity Level (MSL) 1, and why is it important?

A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. All parts in this comparison carry MSL 1 rating, eliminating moisture-related handling restrictions during storage and assembly.

Q: Can I use these substitutes interchangeably on the same PCB?

A: Yes. All substitute parts are mechanically and electrically interchangeable with the RCS2012F5231CS. PCB footprints designed for 0805 (2012 Metric) packages accommodate all listed components without modification.