RCS2012F63R4CS Equivalent & Substitute Parts

Part Overview

The RCS2012F63R4CS is a 63.4 Ohm ±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 and is designed for general-purpose applications requiring precision resistive elements with moisture and anti-sulfur protection. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance certifications to ensure direct interchangeability in circuit designs.

Substiute Parts

RCS2012F63R4CS

Samsung Electro-MechanicsIn Stock: 825RCS2012F63R4CS Datasheet

Current PartRFQ

CRCW080563R4FKEA

Vishay DaleIn Stock: 14536CRCW080563R4FKEA Datasheet

SimilarRFQ

ERJ-6ENF63R4V

Panasonic Electronic ComponentsIn Stock: 77468ERJ-6ENF63R4V Datasheet

SimilarRFQ

RC0805FR-0763R4L

YAGEOIn Stock: 30336RC0805FR-0763R4L Datasheet

SimilarRFQ

RMCF0805FT63R4

Stackpole Electronics IncIn Stock: 1077RMCF0805FT63R4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F63R4CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (63.4 Ohms), tolerance (±1%), and power rating (0.125W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (0805 / 2012 Metric), physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm), and number of terminations (2) ensure PCB footprint compatibility.

Environmental & Compliance Standards: RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status are mandatory for substitution. Additional certifications such as AEC-Q200 automotive qualification are noted but do not restrict substitution for non-automotive applications.

Composition & Features: Thick film construction is required. Anti-sulfur and moisture-resistant properties are documented where applicable but do not exclude parts with moisture-resistant features alone.

All identified substitute parts meet these criteria without exception.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts are functionally equivalent to the RCS2012F63R4CS and are suitable for direct replacement in circuit applications. Selection among these alternatives may be based on the following factors:

Inventory Availability: ERJ-6ENF63R4V (Panasonic) offers the highest inventory level at 77,369 pieces. RC0805FR-0763R4L (YAGEO) provides 30,302 pieces. CRCW080563R4FKEA (Vishay Dale) stocks 14,449 pieces. RMCF0805FT63R4 (Stackpole) has 1,030 pieces available.

Automotive Qualification: CRCW080563R4FKEA, ERJ-6ENF63R4V, and RMCF0805FT63R4 carry AEC-Q200 automotive qualification. RC0805FR-0763R4L and RCS2012F63R4CS do not list this certification.

Environmental Features: RCS2012F63R4CS specifies anti-sulfur and moisture-resistant properties. RC0805FR-0763R4L specifies moisture-resistant properties. CRCW080563R4FKEA, ERJ-6ENF63R4V, and RMCF0805FT63R4 specify automotive AEC-Q200 qualification without explicit anti-sulfur designation.

Physical Height Variation: Seated height ranges from 0.020" (0.50mm) for CRCW080563R4FKEA to 0.028" (0.70mm) for ERJ-6ENF63R4V. This variation remains within typical PCB assembly tolerances for 0805 packages.

All parts maintain Active product status and full RoHS3 and REACH compliance.

Frequently Asked Questions (FAQ)

Q: Can CRCW080563R4FKEA replace RCS2012F63R4CS in any application?

A: Yes. Both parts share identical electrical specifications (63.4 Ohms ±1%, 0.125W), package dimensions (0805 / 2012 Metric), temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected, MSL 1). The primary difference is that CRCW080563R4FKEA carries AEC-Q200 automotive qualification, which does not restrict its use in non-automotive applications.

Q: What is the significance of the height difference between substitute parts?

A: Seated height varies from 0.020" (CRCW080563R4FKEA) to 0.028" (ERJ-6ENF63R4V). This 0.008" variation is within standard PCB assembly tolerances for 0805 components and does not affect electrical performance or mechanical fit on standard 0805 footprints.

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

A: Yes. All parts, including the main part RCS2012F63R4CS, operate across the identical temperature range of -55°C ~ 155°C with a temperature coefficient of ±100ppm/°C. No substitute part has a more restricted temperature rating.

Q: Does the absence of AEC-Q200 certification on RCS2012F63R4CS and RC0805FR-0763R4L affect their use in general-purpose circuits?

A: No. AEC-Q200 is an automotive qualification standard. Its absence does not indicate inferior performance for non-automotive applications. All parts meet identical electrical and environmental specifications required for general-purpose use.

Q: Which substitute part should be selected for maximum inventory availability?

A: ERJ-6ENF63R4V (Panasonic) provides the highest stock level at 77,369 pieces. This part is electrically and mechanically identical to RCS2012F63R4CS and carries AEC-Q200 automotive qualification.

Q: Are there any differences in moisture sensitivity between the main part and substitutes?

A: No. All parts, including RCS2012F63R4CS and all four substitute parts, are rated at Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions.

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

A: Yes. All parts conform to the 0805 (2012 Metric) package standard with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and two terminations. Physical height variations do not affect PCB assembly compatibility.