RCS2012F4531CS Equivalent & Substitute Parts

Part Overview

The RCS2012F4531CS is a 4.53 kOhms ±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 with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with anti-sulfur and moisture-resistant characteristics. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental operating parameters to ensure direct circuit board compatibility.

Substiute Parts

RCS2012F4531CS

Samsung Electro-MechanicsIn Stock: 894RCS2012F4531CS Datasheet

Current PartRFQ

CRCW08054K53FKEA

Vishay DaleIn Stock: 31216CRCW08054K53FKEA Datasheet

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ERJ-6ENF4531V

Panasonic Electronic ComponentsIn Stock: 82243ERJ-6ENF4531V Datasheet

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RC0805FR-074K53L

YAGEOIn Stock: 184095RC0805FR-074K53L Datasheet

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RMCF0805FT4K53

Stackpole Electronics IncIn Stock: 97807RMCF0805FT4K53 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F4531CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters: Resistance value (4.53 kOhms), tolerance (±1%), and power rating (0.125W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C to 155°C) establish thermal performance boundaries.

Mechanical Parameters: Package designation (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W), and number of terminations (2) ensure PCB footprint compatibility and assembly process alignment.

Compliance Parameters: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, ensuring regulatory and environmental compatibility.

Composition: Thick film construction is maintained across all substitutes to preserve electrical performance characteristics and manufacturing process compatibility.

All four identified substitute parts meet these criteria and are classified as direct equivalents suitable for one-to-one replacement in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are classified as Active products with ROHS3 compliance and MSL 1 rating, establishing full regulatory and environmental equivalence to the RCS2012F4531CS.

CRCW08054K53FKEA (Vishay Dale): Carries AEC-Q200 automotive qualification. Suitable for applications requiring automotive-grade reliability standards. Lowest seated height (0.020") provides advantage in space-constrained PCB layouts.

ERJ-6ENF4531V (Panasonic Electronic Components): Carries AEC-Q200 automotive qualification. Highest seated height (0.028") among substitutes. Largest available inventory (82,229 pcs) supports high-volume procurement requirements.

RC0805FR-074K53L (YAGEO): General-purpose thick film resistor without automotive qualification. Moisture-resistant feature aligns with RCS2012F4531CS anti-sulfur and moisture-resistant characteristics. Largest inventory availability (184,050 pcs) supports immediate supply requirements.

RMCF0805FT4K53 (Stackpole Electronics Inc): Carries AEC-Q200 automotive qualification. Seated height (0.026") matches RCS2012F4531CS specification. Substantial inventory (97,740 pcs) supports production scheduling.

Selection among substitutes depends on application requirements: automotive-grade applications select from CRCW08054K53FKEA, ERJ-6ENF4531V, or RMCF0805FT4K53; general-purpose applications select RC0805FR-074K53L or any automotive-qualified option.

Frequently Asked Questions (FAQ)

Q: Can CRCW08054K53FKEA replace RCS2012F4531CS in non-automotive applications?

A: Yes. CRCW08054K53FKEA meets all electrical and mechanical specifications for direct substitution. AEC-Q200 qualification exceeds general-purpose requirements and does not restrict use in non-automotive circuits.

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

A: Seated height ranges from 0.020" to 0.028" across substitutes. All heights remain within typical PCB assembly tolerances. Height variation affects clearance to adjacent components or conformal coating processes. Verify PCB design clearance specifications before selection.

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

A: Yes. All substitute parts and the RCS2012F4531CS operate across -55°C to 155°C temperature range with ±100ppm/°C temperature coefficient. Temperature performance is identical across all options.

Q: Does moisture sensitivity level differ among substitutes?

A: No. All parts including RCS2012F4531CS carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute offers the best inventory availability?

A: RC0805FR-074K53L (YAGEO) provides the largest inventory (184,050 pcs). ERJ-6ENF4531V (Panasonic) offers 82,229 pcs. RMCF0805FT4K53 (Stackpole) provides 97,740 pcs. CRCW08054K53FKEA (Vishay Dale) has 31,118 pcs available.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All substitute parts and RCS2012F4531CS maintain ROHS3 compliance and REACH unaffected status.

Q: Can substitutes be mixed within the same PCB assembly?

A: Yes. All substitutes meet identical electrical specifications, tolerance, power rating, and package dimensions. Mixed usage within single PCB is permissible from engineering compatibility standpoint.