RCS2012F2804CS Equivalent & Substitute Parts

Part Overview

The RCS2012F2804CS is a 2.8 MOhms ±1% 0.125W chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The component is RoHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

RCS2012F2804CS

Samsung Electro-MechanicsIn Stock: 1128RCS2012F2804CS Datasheet

Current PartRFQ

CRCW08052M80FKEA

Vishay DaleIn Stock: 24881CRCW08052M80FKEA Datasheet

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RC0805FR-072M8L

YAGEOIn Stock: 19298RC0805FR-072M8L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F2804CS are qualified based on strict electrical and mechanical parameter matching:

Electrical Parameters (Critical):

• Resistance value: 2.8 MOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters (Critical):

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

Compliance Parameters:

• RoHS3 compliance
• MSL Level 1 (Unlimited)
• REACH Unaffected status

All identified substitute parts meet these criteria without exception.

Parameter Comparison

Engineering Selection Recommendations

CRCW08052M80FKEA (Vishay Dale): This substitute carries AEC-Q200 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components. Seated height is 0.020" (0.50mm), which is lower than the original part. This component is suitable for designs where automotive compliance is required or preferred.

RC0805FR-072M8L (YAGEO): This substitute maintains moisture-resistant properties consistent with the original RCS2012F2804CS. Seated height is 0.024" (0.60mm), positioning it between the original and Vishay Dale alternatives. This component is suitable for general industrial applications requiring moisture resistance without automotive qualification.

All three components share identical electrical specifications, package dimensions, and compliance certifications. Selection between them depends on application-specific requirements such as automotive qualification needs and PCB assembly height constraints.

Frequently Asked Questions (FAQ)

Q: Can CRCW08052M80FKEA replace RCS2012F2804CS in any application?

A: CRCW08052M80FKEA meets all electrical and mechanical specifications of RCS2012F2804CS. The primary difference is AEC-Q200 automotive qualification and a lower seated height (0.020" vs 0.026"). Substitution is valid for applications where the lower height does not create assembly conflicts and automotive qualification is not detrimental.

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

A: Seated height affects PCB assembly clearance and component placement. RCS2012F2804CS has maximum seated height of 0.026", CRCW08052M80FKEA is 0.020", and RC0805FR-072M8L is 0.024". In designs with tight vertical constraints, the lower-profile Vishay Dale part may be advantageous. In designs with no height restrictions, all three are interchangeable.

Q: Are all three parts RoHS3 compliant?

A: Yes. RCS2012F2804CS, CRCW08052M80FKEA, and RC0805FR-072M8L are all RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status.

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

A: MSL Level 1 indicates unlimited shelf life without moisture baking requirements. These components can be stored indefinitely without special moisture control measures, simplifying inventory management and supply chain logistics.

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

A: Yes. All three components operate across -55°C to 155°C with identical ±100ppm/°C temperature coefficient, making them fully interchangeable for temperature performance in this range.

Q: Is there a functional difference between the anti-sulfur feature of RCS2012F2804CS and the moisture-resistant feature of RC0805FR-072M8L?

A: Both features address environmental protection. Anti-sulfur protection specifically targets sulfur contamination, while moisture-resistant protection addresses humidity exposure. Both are protective mechanisms suitable for industrial environments. The electrical and thermal performance remains identical.