RCS2012F1054CS Equivalent & Substitute Parts

Part Overview

The RCS2012F1054CS is a 1.05 MOhm ±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, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RCS2012F1054CS

Samsung Electro-MechanicsIn Stock: 1133RCS2012F1054CS Datasheet

Current PartRFQ

ERJ-6ENF1054V

Panasonic Electronic ComponentsIn Stock: 47763ERJ-6ENF1054V Datasheet

SimilarRFQ

RC0805FR-071M05L

YAGEOIn Stock: 5374RC0805FR-071M05L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F1054CS are qualified based on the following criteria:

Electrical Parameters (Critical):

• Resistance value: 1.05 MOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Critical):

• Package type: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Number of terminations: 2

Compliance Parameters (Required):

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

All identified substitute parts meet these criteria and are therefore electrically and mechanically interchangeable with the RCS2012F1054CS in standard circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All three components—RCS2012F1054CS, ERJ-6ENF1054V, and RC0805FR-071M05L—are Active product status and fully compliant with ROHS3 and REACH requirements. Selection among these parts is based on availability, supply chain considerations, and application-specific certifications.

ERJ-6ENF1054V (Panasonic) carries AEC-Q200 automotive qualification, making it suitable for automotive and high-reliability applications requiring automotive-grade component certification.

RC0805FR-071M05L (YAGEO) and RCS2012F1054CS (Samsung) are suitable for general industrial and consumer applications. Both feature moisture-resistant thick film construction with identical electrical performance.

Height variation among the three parts (0.024" to 0.028") is within standard PCB assembly tolerances and does not affect interchangeability in typical circuit designs.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6ENF1054V replace RCS2012F1054CS in non-automotive applications?

A: Yes. ERJ-6ENF1054V meets all electrical and mechanical specifications of RCS2012F1054CS. AEC-Q200 certification is an additional qualification that does not restrict use in non-automotive circuits.

Q: Are there any height clearance concerns when substituting these parts?

A: Height variation ranges from 0.024" to 0.028" (0.60mm to 0.70mm). This 0.004" (0.10mm) difference is within standard PCB assembly tolerances and does not affect component placement or circuit performance in standard applications.

Q: Do all substitute parts have the same moisture sensitivity rating?

A: Yes. All three parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture precautions are required during storage, handling, or assembly.

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

A: Yes. All parts share identical 0805 (2012 Metric) package dimensions, footprint, and electrical specifications, enabling direct substitution without PCB redesign.

Q: What is the significance of the ±100ppm/°C temperature coefficient?

A: This specification indicates the resistance change per degree Celsius across the operating temperature range. All three parts have identical temperature coefficients, ensuring equivalent thermal performance.

Q: Are there supply chain advantages to selecting one substitute over another?

A: Inventory levels vary: RCS2012F1054CS (1,084 pcs), ERJ-6ENF1054V (47,660 pcs), and RC0805FR-071M05L (5,300 pcs). Selection should consider lead time and availability requirements for your application.