RCS2012F1544CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F1544CS is a 1.54 MOhm thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at ±1% tolerance and 0.125W (1/8W) power dissipation in 0805 (2012 Metric) surface mount package. This component is classified as Active product status with anti-sulfur and moisture resistant construction. Equivalent and substitute parts are identified when identical electrical specifications, mechanical dimensions, and compliance certifications align with application requirements.

Substiute Parts

RCS2012F1544CS

Samsung Electro-MechanicsIn Stock: 950RCS2012F1544CS Datasheet

Current PartRFQ

CRCW08051M54FKEA

Vishay DaleIn Stock: 20017CRCW08051M54FKEA Datasheet

SimilarRFQ

ERJ-6ENF1544V

Panasonic Electronic ComponentsIn Stock: 26071ERJ-6ENF1544V Datasheet

SimilarRFQ

RC0805FR-071M54L

YAGEOIn Stock: 5327RC0805FR-071M54L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F1544CS is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

• Resistance value: 1.54 MOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical criteria. Variations in physical height, manufacturer-specific features (such as automotive AEC-Q200 certification), and series designation do not affect functional interchangeability within the specified parameter set.

Parameter Comparison

Engineering Selection Recommendations

All four parts listed—RCS2012F1544CS, CRCW08051M54FKEA, ERJ-6ENF1544V, and RC0805FR-071M54L—are functionally equivalent for applications requiring a 1.54 MOhm ±1% 0.125W 0805 thick film resistor. Selection among these parts is based on:

Compliance & Certification:

• CRCW08051M54FKEA and ERJ-6ENF1544V carry AEC-Q200 automotive qualification, suitable for automotive and high-reliability applications.
• RCS2012F1544CS and RC0805FR-071M54L are suitable for general industrial and consumer applications.

Availability & Supply Chain:

• CRCW08051M54FKEA (Vishay Dale): 20,007 pcs in stock
• ERJ-6ENF1544V (Panasonic): 26,024 pcs in stock
• RC0805FR-071M54L (YAGEO): 5,276 pcs in stock
• RCS2012F1544CS (Samsung): 886 pcs in stock

Physical Dimensions:

• All parts fit within 0805 package constraints. Height variation (0.50mm to 0.70mm) is within standard PCB assembly tolerances.

Frequently Asked Questions (FAQ)

Q: Can CRCW08051M54FKEA replace RCS2012F1544CS directly?

A: Yes. Both parts share identical electrical specifications (1.54 MOhms, ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C operating range) and 0805 package dimensions. CRCW08051M54FKEA includes AEC-Q200 automotive certification, which does not restrict use in non-automotive applications.

Q: What is the significance of AEC-Q200 certification on ERJ-6ENF1544V and CRCW08051M54FKEA?

A: AEC-Q200 is an automotive industry qualification standard. Parts bearing this certification meet additional reliability and quality requirements. These parts are suitable for automotive applications and high-reliability environments. Non-certified parts (RCS2012F1544CS, RC0805FR-071M54L) are not restricted from automotive use but lack formal automotive qualification.

Q: Are there physical installation differences between these parts?

A: Physical height varies slightly (0.50mm to 0.70mm maximum seated height). This variation is within standard PCB assembly tolerances and does not affect installation compatibility on 0805 footprints. Confirm PCB design clearance if height-constrained applications exist.

Q: Do all parts meet RoHS3 and MSL requirements?

A: Yes. All four parts are ROHS3 compliant and carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which part should be selected for cost optimization?

A: Selection based on cost requires current pricing data not provided in this reference. Consult supplier quotations. RC0805FR-071M54L (YAGEO) and RCS2012F1544CS (Samsung) typically represent cost-competitive options for non-automotive applications.