RCS2012F5494CS Equivalent & Substitute Parts

Part Overview

The RCS2012F5494CS is a 5.49 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 features anti-sulfur and moisture-resistant construction. The part maintains Active product status with 1030 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 design modification.

Substiute Parts

RCS2012F5494CS

Samsung Electro-MechanicsIn Stock: 1077RCS2012F5494CS Datasheet

Current PartRFQ

CRCW08055M49FKEA

Vishay DaleIn Stock: 27974CRCW08055M49FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F5494CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (5.49 MOhms), 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), and termination count (2) ensure physical fit and solderability in existing PCB layouts.

Regulatory Compliance: RoHS3 compliance, REACH unaffected status, and MSL rating (1) confirm environmental and handling requirements are met.

Composition: Thick film construction maintains electrical performance characteristics and reliability profiles.

The CRCW08055M49FKEA from Vishay Dale satisfies all substitution criteria through complete parameter alignment with the main part.

Parameter Comparison

Engineering Selection Recommendations

Both the RCS2012F5494CS and CRCW08055M49FKEA maintain Active product status and satisfy identical electrical and mechanical requirements. Selection between these components is based on availability, supply chain considerations, and application-specific certifications.

The CRCW08055M49FKEA carries AEC-Q200 automotive qualification, which provides additional reliability assurance for automotive and high-reliability applications. This certification is not specified for the RCS2012F5494CS.

Both components are ROHS3 compliant and REACH unaffected, confirming regulatory alignment for commercial and industrial applications. The marginal difference in seated height (0.026" versus 0.020") does not affect PCB layout compatibility for standard 0805 footprints.

Component selection should prioritize inventory availability and lead time requirements while maintaining compliance with application-specific standards.

Frequently Asked Questions (FAQ)

Q: Can the CRCW08055M49FKEA directly replace the RCS2012F5494CS in existing designs?

A: Yes. Both components share identical electrical specifications (5.49 MOhms ±1%, 0.125W), thermal characteristics (±100ppm/°C, -55°C ~ 155°C), and mechanical dimensions (0805 package, 2.00mm x 1.25mm). PCB footprints and soldering processes require no modification.

Q: What is the significance of the AEC-Q200 rating on the CRCW08055M49FKEA?

A: AEC-Q200 is an automotive qualification standard that certifies component reliability under automotive environmental and operational stresses. This certification applies to the Vishay Dale part but is not specified for the Samsung part. Selection should reflect application requirements.

Q: Are there differences in moisture handling between these parts?

A: Both components carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions. Storage and handling procedures are equivalent for both parts.

Q: Does the height difference (0.026" vs 0.020") affect compatibility?

A: No. Both heights fall within standard 0805 package specifications and are compatible with conventional 0805 PCB footprints. The difference does not impact assembly, clearance, or electrical performance.

Q: What compliance certifications apply to both parts?

A: Both the RCS2012F5494CS and CRCW08055M49FKEA are ROHS3 compliant and REACH unaffected. Both carry EAR99 ECCN classification and 8533.21.0030 HTSUS code.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both components operate across the identical temperature range (-55°C ~ 155°C) with matching temperature coefficients (±100ppm/°C), ensuring equivalent performance in thermal extremes.