RCS2012F5493CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F5493CS is a 549 kOhms ±1% 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 characteristics. 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 design modification.

Substiute Parts

RCS2012F5493CS

Samsung Electro-MechanicsIn Stock: 797RCS2012F5493CS Datasheet

Current PartRFQ

CRCW0805549KFKEA

Vishay DaleIn Stock: 20408CRCW0805549KFKEA Datasheet

SimilarRFQ

ERJ-6ENF5493V

Panasonic Electronic ComponentsIn Stock: 40712ERJ-6ENF5493V Datasheet

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RC0805FR-07549KL

YAGEOIn Stock: 18777RC0805FR-07549KL Datasheet

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RMCF0805FT549K

Stackpole Electronics IncIn Stock: 9454RMCF0805FT549K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F5493CS is determined by strict equivalence across the following parameters:

Electrical Specifications: Resistance value (549 kOhms), tolerance (±1%), power rating (0.125W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C) must be identical.

Mechanical Compatibility: Package designation (0805 / 2012 Metric), composition (thick film), and number of terminations (2) must match exactly.

Compliance Requirements: RoHS3 compliance and MSL Level 1 classification must be maintained.

All four substitute parts listed meet these criteria. Additional features such as automotive AEC-Q200 qualification or anti-sulfur treatment represent enhanced specifications that do not prevent substitution but indicate expanded application scope.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are Active product status components with ROHS3 compliance and MSL Level 1 rating, meeting the core compliance requirements of the RCS2012F5493CS.

CRCW0805549KFKEA (Vishay Dale): Automotive AEC-Q200 qualified with lowest seated height (0.020"). Suitable for applications requiring automotive-grade reliability.

ERJ-6ENF5493V (Panasonic Electronic Components): Automotive AEC-Q200 qualified with highest seated height (0.028"). Largest inventory availability (40,629 pcs). Suitable for automotive applications with space constraints permitting increased height.

RC0805FR-07549KL (YAGEO): Moisture-resistant thick film composition matching original anti-sulfur feature set. Mid-range seated height (0.024"). Suitable for general industrial applications.

RMCF0805FT549K (Stackpole Electronics Inc): Automotive AEC-Q200 qualified with seated height (0.026") matching the original component. Suitable for automotive applications requiring dimensional consistency.

Selection among substitutes depends on application requirements: automotive qualification necessity, available PCB height clearance, and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805549KFKEA replace RCS2012F5493CS in non-automotive applications?

A: Yes. The automotive AEC-Q200 qualification represents an enhanced specification. All electrical parameters, package dimensions, and compliance certifications are equivalent. AEC-Q200 qualification does not restrict use in non-automotive circuits.

Q: What is the significance of the seated height differences among substitute parts?

A: Seated height variations (0.020" to 0.028") reflect manufacturing tolerances within the 0805 package specification. All values remain within the 0805 (2012 Metric) standard. Height differences are relevant only when PCB clearance is constrained. For standard applications, height variation is not a limiting factor.

Q: Are all substitute parts suitable for high-temperature applications?

A: Yes. All substitute parts and the original component specify identical operating temperature range (-55°C ~ 155°C) and temperature coefficient (±100ppm/°C). Temperature performance is equivalent across all options.

Q: Does moisture resistance differ between substitute options?

A: The RCS2012F5493CS specifies anti-sulfur and moisture-resistant features. RC0805FR-07549KL explicitly lists moisture-resistant composition. CRCW0805549KFKEA, ERJ-6ENF5493V, and RMCF0805FT549K do not specify these features in provided data but maintain MSL Level 1 (Unlimited) rating, indicating equivalent moisture handling capability.

Q: Can substitute parts be mixed in the same production batch?

A: Yes. All substitute parts meet identical electrical specifications, tolerance, power rating, package designation, and compliance requirements. Mixed sourcing is permissible from an engineering standpoint. Supply chain and quality documentation procedures should be verified with procurement.

Q: What is the impact of different manufacturers on circuit performance?

A: All manufacturers (Samsung Electro-Mechanics, Vishay Dale, Panasonic, YAGEO, Stackpole Electronics) produce thick film 0805 resistors to industry standards. Electrical performance across all options is equivalent within specified tolerance (±1%) and temperature coefficient (±100ppm/°C). Manufacturer selection is driven by supply availability, cost, and qualification requirements rather than performance differentiation.