RCS2012F2210CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F2210CS is a 221 Ohm ±1% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is supplied in Tape & Reel (TR) packaging with 933 pieces currently in stock inventory.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package class, resistance value, tolerance, and power rating. Alternative sources provide design flexibility, supply chain redundancy, and access to components with enhanced certifications such as automotive AEC-Q200 qualification.

Substiute Parts

RCS2012F2210CS

Samsung Electro-MechanicsIn Stock: 1029RCS2012F2210CS Datasheet

Current PartRFQ

CRCW0805221RFKEA

Vishay DaleIn Stock: 4649CRCW0805221RFKEA Datasheet

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CRCW0805221RFKEAHP

Vishay DaleIn Stock: 5842CRCW0805221RFKEAHP Datasheet

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CRCW0805221RFKTA

Vishay DaleIn Stock: 10737CRCW0805221RFKTA Datasheet

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ERJ-6ENF2210V

Panasonic Electronic ComponentsIn Stock: 80493ERJ-6ENF2210V Datasheet

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RC0805FR-07221RL

YAGEOIn Stock: 7718RC0805FR-07221RL Datasheet

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RCS0805221RFKEA

Vishay DaleIn Stock: 6010RCS0805221RFKEA Datasheet

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RMCF0805FT221R

Stackpole Electronics IncIn Stock: 198658RMCF0805FT221R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F2210CS are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Mandatory Matching Parameters:

• Resistance value: 221 Ohms
• Tolerance: ±1%
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)

Power Rating Categories: Substitutes are grouped into two power rating classes:

• 1/8W (0.125W) Class: Direct electrical equivalents with identical power dissipation capability
• 1/2W (0.5W) Class: Higher power rating variants that maintain all other electrical parameters but provide increased thermal capacity

Compliance Variants: Substitutes differ in regulatory compliance status (ROHS3 Compliant vs. RoHS non-compliant) and automotive certification (AEC-Q200 rated vs. standard industrial grade). These distinctions do not affect electrical interchangeability but influence application suitability.

Parameter Comparison

Engineering Selection Recommendations

Direct Electrical Equivalents (0.125W / 1/8W Class):

For applications requiring direct replacement with identical power dissipation specifications, the following parts maintain full electrical and mechanical compatibility:

• RMCF0805FT221R (Stackpole Electronics Inc): ROHS3 compliant with automotive AEC-Q200 certification. Highest inventory availability (198,634 pcs) supports supply chain continuity.

• CRCW0805221RFKEA (Vishay Dale): ROHS3 compliant with automotive AEC-Q200 certification. Suitable for automotive and industrial applications.

• ERJ-6ENF2210V (Panasonic Electronic Components): ROHS3 compliant with automotive AEC-Q200 certification. Largest inventory stock (80,405 pcs) among 1/8W alternatives.

• RC0805FR-07221RL (YAGEO): ROHS3 compliant with moisture-resistant characteristics matching the original part specification.

Compliance Consideration:

• CRCW0805221RFKTA (Vishay Dale): Functionally equivalent but RoHS non-compliant. Selection restricted to applications where RoHS compliance is not mandated.

Higher Power Rating Variants (0.5W / 1/2W Class):

For applications where increased thermal capacity is required while maintaining all other electrical parameters:

• CRCW0805221RFKEAHP (Vishay Dale): ROHS3 compliant with automotive AEC-Q200 certification and pulse withstanding capability.

• RCS0805221RFKEA (Vishay Dale): ROHS3 compliant with automotive AEC-Q200 certification and pulse withstanding capability.

These higher power variants are electrically interchangeable in circuits designed for 0.125W components but provide additional thermal margin for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can RMCF0805FT221R replace RCS2012F2210CS in any application?

A: Yes. RMCF0805FT221R maintains identical electrical specifications (221 Ω, ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C) and package format (0805). Both are ROHS3 compliant with MSL 1 rating. The primary difference is manufacturer source and automotive AEC-Q200 certification on the substitute.

Q: What is the difference between 1/8W and 1/2W variants?

A: Power rating determines maximum continuous power dissipation. 1/8W (0.125W) parts dissipate up to 0.125W; 1/2W (0.5W) parts dissipate up to 0.5W. All other electrical parameters (resistance, tolerance, temperature coefficient, operating range) remain identical. 1/2W variants are physically compatible in 0805 package but provide increased thermal capacity for high-current applications.

Q: Is CRCW0805221RFKTA suitable for new designs?

A: CRCW0805221RFKTA is RoHS non-compliant and REACH affected. Selection is restricted to legacy applications or regions where RoHS compliance is not required. For new designs, ROHS3 compliant alternatives (RMCF0805FT221R, CRCW0805221RFKEA, ERJ-6ENF2210V, RC0805FR-07221RL) are recommended.

Q: What does AEC-Q200 certification indicate?

A: AEC-Q200 is an automotive qualification standard. Parts bearing this certification have undergone stress testing and reliability validation for automotive applications. AEC-Q200 rated substitutes (RMCF0805FT221R, CRCW0805221RFKEA, ERJ-6ENF2210V, CRCW0805221RFKEAHP, RCS0805221RFKEA) are suitable for automotive and high-reliability industrial applications.

Q: Are all substitutes available in Tape & Reel packaging?

A: RC0805FR-07221RL is supplied in Cut Tape (CT) & Digi-Reel® packaging. All other substitutes are supplied in Tape & Reel (TR) format matching the original part packaging specification.

Q: Can I use a 1/2W variant in place of a 1/8W component?

A: Yes. 1/2W variants (CRCW0805221RFKEAHP, RCS0805221RFKEA) are electrically and mechanically compatible with 1/8W designs. The higher power rating provides additional thermal margin without affecting circuit operation. Physical dimensions and package footprint remain identical (0805 / 2012 Metric).

Q: Which substitute has the highest inventory availability?

A: RMCF0805FT221R (Stackpole Electronics Inc) has the highest inventory stock at 198,634 pieces, followed by ERJ-6ENF2210V (Panasonic Electronic Components) at 80,405 pieces.