RCS2012F1654CS Equivalent & Substitute Parts

Part Overview

The RCS2012F1654CS is a 1.65 MOhm ±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 operates across a temperature range of -55°C to 155°C. The part features anti-sulfur and moisture-resistant construction, with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The product maintains active status with 988 units currently in stock. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and component availability options for applications requiring identical electrical and mechanical specifications.

Substiute Parts

RCS2012F1654CS

Samsung Electro-MechanicsIn Stock: 1024RCS2012F1654CS Datasheet

Current PartRFQ

CRCW08051M65FKEA

Vishay DaleIn Stock: 20905CRCW08051M65FKEA Datasheet

SimilarRFQ

ERJ-6ENF1654V

Panasonic Electronic ComponentsIn Stock: 79343ERJ-6ENF1654V Datasheet

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RC0805FR-071M65L

YAGEOIn Stock: 133390RC0805FR-071M65L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F1654CS is determined by strict equivalence across the following critical parameters: resistance value (1.65 MOhms), tolerance (±1%), power rating (0.125W / 1/8W), package type (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and termination count (2). All identified substitute parts meet these core electrical and mechanical requirements. Substitute parts are grouped by manufacturer and series designation while maintaining identical functional performance. Physical dimensions, height specifications, and compliance certifications may vary within acceptable tolerances for the 0805 package format. All substitute parts maintain RoHS3 compliance, unlimited MSL rating, and REACH unaffected status, ensuring regulatory equivalence with the primary component.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts—CRCW08051M65FKEA (Vishay Dale), ERJ-6ENF1654V (Panasonic), and RC0805FR-071M65L (YAGEO)—are electrically and mechanically equivalent to the RCS2012F1654CS and are suitable for direct substitution in applications requiring 1.65 MOhm ±1% 0.125W 0805 chip resistors.

CRCW08051M65FKEA and ERJ-6ENF1654V both carry AEC-Q200 automotive qualification, making them appropriate for automotive and high-reliability applications. The CRCW08051M65FKEA exhibits the lowest seated height at 0.020" (0.50mm), which may be advantageous in space-constrained designs. The ERJ-6ENF1654V provides the highest inventory availability at 79,312 units and includes AEC-Q200 certification.

RC0805FR-071M65L from YAGEO offers the largest inventory stock at 133,290 units and maintains moisture-resistant construction consistent with the primary part. This option provides excellent supply chain availability for high-volume production requirements.

The RCS2012F1654CS from Samsung Electro-Mechanics features anti-sulfur construction in addition to moisture resistance, providing enhanced environmental protection for applications in corrosive or high-humidity environments.

All parts maintain identical compliance certifications: RoHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity level (MSL 1). Selection among these equivalents should be based on supply chain availability, specific application requirements, and design constraints related to component height or automotive qualification needs.

Frequently Asked Questions (FAQ)

Q: Can CRCW08051M65FKEA be used as a direct replacement for RCS2012F1654CS?

A: Yes. Both components share identical electrical specifications (1.65 MOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C operating range) and mechanical package format (0805 / 2012 Metric). The CRCW08051M65FKEA includes AEC-Q200 automotive qualification, which provides additional reliability assurance. The seated height difference (0.020" versus 0.026") is within acceptable 0805 package tolerances.

Q: What is the difference between the anti-sulfur feature of RCS2012F1654CS and the automotive AEC-Q200 rating of CRCW08051M65FKEA and ERJ-6ENF1654V?

A: Anti-sulfur construction protects against sulfur-containing atmospheric contaminants and corrosive environments. AEC-Q200 automotive qualification certifies the component for automotive applications through rigorous testing protocols including temperature cycling, humidity resistance, and reliability standards. These are distinct protective features; anti-sulfur addresses environmental corrosion, while AEC-Q200 addresses automotive-grade reliability and performance consistency.

Q: Are there any height restrictions that would prevent substitution?

A: The seated heights vary slightly: RCS2012F1654CS (0.026"), CRCW08051M65FKEA (0.020"), ERJ-6ENF1654V (0.028"), and RC0805FR-071M65L (0.024"). All values fall within the standard 0805 package tolerance range. Height differences of this magnitude do not typically restrict substitution in standard PCB designs. Applications with extreme height constraints should verify specific design requirements.

Q: Which substitute part offers the best supply chain availability?

A: RC0805FR-071M65L from YAGEO provides the highest inventory stock at 133,290 units. ERJ-6ENF1654V from Panasonic follows with 79,312 units. CRCW08051M65FKEA from Vishay Dale has 20,805 units available. For high-volume production, RC0805FR-071M65L or ERJ-6ENF1654V are recommended.

Q: Do all substitute parts meet the same regulatory compliance standards?

A: Yes. All substitute parts and the primary component are RoHS3 compliant, REACH unaffected, and carry unlimited moisture sensitivity level (MSL 1) ratings. Regulatory equivalence is maintained across all options.

Q: Should I select a substitute part with AEC-Q200 certification for non-automotive applications?

A: AEC-Q200 certification is not required for non-automotive applications. However, it provides additional assurance of component reliability and consistency through automotive-grade testing. Selection should be based on application requirements, supply availability, and cost considerations rather than unnecessary certification requirements.

Q: Are the physical dimensions identical across all parts?

A: Length and width dimensions are identical (0.079" L x 0.049" W / 2.00mm x 1.25mm) for all parts, as they share the 0805 package standard. Seated height varies within acceptable tolerances: 0.020" to 0.028" maximum. These dimensional variations are normal within the 0805 package specification and do not affect PCB footprint compatibility.