RCS2012F1050CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F1050CS is a 105 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) surface mount package. This component is classified as Active product status with anti-sulfur and moisture resistant construction. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct board-level replacement without circuit redesign.

Substiute Parts

RCS2012F1050CS

Samsung Electro-MechanicsIn Stock: 814RCS2012F1050CS Datasheet

Current PartRFQ

CRCW0805105RFKEA

Vishay DaleIn Stock: 17943CRCW0805105RFKEA Datasheet

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ERJ-6ENF1050V

Panasonic Electronic ComponentsIn Stock: 44713ERJ-6ENF1050V Datasheet

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RC0805FR-07105RL

YAGEOIn Stock: 30953RC0805FR-07105RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F1050CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 105 Ohms
• 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
• Number of terminations: 2
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: 1 (Unlimited)

All identified substitute parts meet these criteria. Variations in physical height (seated maximum) and specific feature sets (anti-sulfur vs. automotive AEC-Q200 certification) do not preclude substitution when electrical and thermal performance requirements are identical.

Parameter Comparison

Engineering Selection Recommendations

All four components listed—RCS2012F1050CS, CRCW0805105RFKEA, ERJ-6ENF1050V, and RC0805FR-07105RL—are Active product status with ROHS3 compliance and MSL 1 rating. Selection among these parts is based on availability, supply chain considerations, and application-specific certifications.

CRCW0805105RFKEA (Vishay Dale) and ERJ-6ENF1050V (Panasonic) carry automotive AEC-Q200 qualification, suitable for applications requiring automotive-grade component reliability. RC0805FR-07105RL (YAGEO) and RCS2012F1050CS (Samsung) provide standard industrial-grade performance with moisture resistance features. All parts are electrically and thermally interchangeable within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805105RFKEA replace RCS2012F1050CS directly on the PCB?

A: Yes. Both components share identical electrical specifications (105 Ohms ±1%, 0.125W), thermal characteristics (±100ppm/°C, -55°C to 155°C), and package dimensions (0805/2012 Metric). The 0.006" difference in seated height (0.020" vs. 0.026") does not affect PCB assembly or circuit function.

Q: What is the difference between the Samsung RCS2012F1050CS and Panasonic ERJ-6ENF1050V?

A: Both components are electrically identical. The primary difference is certification: ERJ-6ENF1050V carries AEC-Q200 automotive qualification, while RCS2012F1050CS features anti-sulfur construction. Selection depends on application requirements—automotive applications benefit from AEC-Q200 rating; corrosive environments benefit from anti-sulfur treatment.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All four components—RCS2012F1050CS, CRCW0805105RFKEA, ERJ-6ENF1050V, and RC0805FR-07105RL—are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: Can I use ERJ-6ENF1050V in a non-automotive application?

A: Yes. AEC-Q200 certification indicates enhanced reliability and testing; it does not restrict use to automotive applications. ERJ-6ENF1050V meets or exceeds all electrical and thermal requirements for standard industrial applications.

Q: What does MSL 1 (Unlimited) mean for these resistors?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All four substitute parts share this rating, eliminating moisture sensitivity as a selection factor.