Equivalent & Substitute Parts for RCS2012F2211CS

Part Overview

The RCS2012F2211CS is a 2.21 kOhms ±1% 0.125W (1/8W) chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film resistor features anti-sulfur and moisture-resistant properties with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) rating and is currently in active production status with 930 pieces in stock. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific options when the primary part is unavailable or when design requirements necessitate alternative specifications.

Substiute Parts

RCS2012F2211CS

Samsung Electro-MechanicsIn Stock: 1009RCS2012F2211CS Datasheet

Current PartRFQ

AC0805FR-072K21L

YAGEOIn Stock: 47624AC0805FR-072K21L Datasheet

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CRCW08052K21FKEA

Vishay DaleIn Stock: 44116CRCW08052K21FKEA Datasheet

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CRCW08052K21FKEAHP

Vishay DaleIn Stock: 11184CRCW08052K21FKEAHP Datasheet

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CRCW08052K21FKTA

Vishay DaleIn Stock: 20394CRCW08052K21FKTA Datasheet

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ERJ-6ENF2211V

Panasonic Electronic ComponentsIn Stock: 105807ERJ-6ENF2211V Datasheet

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RC0805FR-072K21L

YAGEOIn Stock: 358846RC0805FR-072K21L Datasheet

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RCS08052K21FKEA

Vishay DaleIn Stock: 5871RCS08052K21FKEA Datasheet

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RMCF0805FT2K21

Stackpole Electronics IncIn Stock: 130347RMCF0805FT2K21 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F2211CS is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 2.21 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Power Rating: 0.125W (1/8W) for direct substitution
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)

Secondary Compliance Considerations:

• RoHS Status: ROHS3 Compliant preferred for regulatory alignment
• Moisture Sensitivity Level: MSL 1 (Unlimited) for handling compatibility
• Packaging: Tape & Reel (TR) for automated assembly compatibility

Parts meeting all primary criteria are classified as direct substitutes. Parts with identical electrical and thermal specifications but differing power ratings (0.5W/1/2W) are identified as functional alternatives for applications requiring higher power dissipation capability within the same package footprint. Parts with non-compliant RoHS or REACH status are flagged for applications with regulatory requirements.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (0.125W, 1/8W Rating):

RC0805FR-072K21L (YAGEO) and RMCF0805FT2K21 (Stackpole Electronics Inc) are direct electrical and mechanical equivalents to the RCS2012F2211CS. Both parts match all primary substitution criteria with identical resistance, tolerance, power rating, package, and thermal specifications. RC0805FR-072K21L offers the highest inventory availability (358,782 pieces) and is suitable for applications without automotive qualification requirements. RMCF0805FT2K21 provides AEC-Q200 automotive qualification with 130,326 pieces in stock, appropriate for automotive and industrial applications requiring automotive-grade components.

Automotive-Qualified Substitutes (0.125W, 1/8W Rating):

AC0805FR-072K21L (YAGEO), CRCW08052K21FKEA (Vishay Dale), ERJ-6ENF2211V (Panasonic Electronic Components), and RMCF0805FT2K21 (Stackpole Electronics Inc) all carry AEC-Q200 automotive qualification. These parts are suitable for automotive, industrial, and mission-critical applications. AC0805FR-072K21L and CRCW08052K21FKEA provide compact height profiles (0.60mm and 0.50mm respectively) for space-constrained designs. ERJ-6ENF2211V offers the largest inventory (105,761 pieces) among automotive-qualified options.

Higher Power Rating Alternatives (0.5W, 1/2W Rating):

CRCW08052K21FKEAHP (Vishay Dale) and RCS08052K21FKEA (Vishay Dale) provide 0.5W (1/2W) power rating within the same 0805 package footprint. These parts are functional alternatives for applications requiring higher power dissipation capability. Both carry AEC-Q200 qualification and ROHS3 compliance. CRCW08052K21FKEAHP includes pulse withstanding capability for transient protection applications.

Non-Compliant Alternative:

CRCW08052K21FKTA (Vishay Dale) is electrically and mechanically equivalent but carries RoHS non-compliant and REACH affected status. This part is suitable only for applications without regulatory compliance requirements or legacy system maintenance where RoHS exemptions apply.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-072K21L be used as a direct replacement for RCS2012F2211CS?

A: Yes. RC0805FR-072K21L meets all primary substitution criteria: 2.21 kOhms ±1% resistance, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating. Physical dimensions are compatible with identical footprint and similar height profile (0.60mm vs 0.66mm).

Q: What is the difference between CRCW08052K21FKEA and CRCW08052K21FKEAHP?

A: Both parts are manufactured by Vishay Dale with identical electrical specifications (2.21 kOhms ±1%, 0805 package, ±100ppm/°C). The primary difference is power rating: CRCW08052K21FKEA is rated 0.125W (1/8W), while CRCW08052K21FKEAHP is rated 0.5W (1/2W) with pulse withstanding capability. CRCW08052K21FKEAHP is suitable for applications requiring higher power dissipation or transient protection.

Q: Are all substitute parts AEC-Q200 qualified?

A: No. RC0805FR-072K21L and the main part RCS2012F2211CS do not carry AEC-Q200 qualification. AC0805FR-072K21L, CRCW08052K21FKEA, CRCW08052K21FKEAHP, CRCW08052K21FKTA, ERJ-6ENF2211V, RCS08052K21FKEA, and RMCF0805FT2K21 all carry AEC-Q200 automotive qualification. Select AEC-Q200 qualified parts for automotive and mission-critical applications.

Q: Can CRCW08052K21FKTA be used in new designs?

A: CRCW08052K21FKTA is electrically and mechanically equivalent but carries RoHS non-compliant and REACH affected status. This part is not suitable for new designs subject to RoHS3 or REACH regulations. Use only for legacy system maintenance or applications with explicit RoHS exemptions.

Q: What is the significance of height differences among substitute parts?

A: Height variations (0.50mm to 0.70mm) are within acceptable tolerances for 0805 package components and do not affect electrical performance. However, in space-constrained designs with tight vertical clearance requirements, lower-profile parts (CRCW series at 0.50mm) may be preferred over higher-profile alternatives (ERJ-6ENF2211V at 0.70mm). Verify PCB design clearance specifications before selection.

Q: Which substitute part offers the best inventory availability?

A: RC0805FR-072K21L (YAGEO) provides the highest inventory availability with 358,782 pieces in stock. For automotive-qualified alternatives, ERJ-6ENF2211V (Panasonic Electronic Components) offers 105,761 pieces, followed by RMCF0805FT2K21 (Stackpole Electronics Inc) with 130,326 pieces.

Q: Are all substitute parts ROHS3 compliant?

A: No. CRCW08052K21FKTA is RoHS non-compliant. All other substitute parts listed (RC0805FR-072K21L, AC0805FR-072K21L, CRCW08052K21FKEA, CRCW08052K21FKEAHP, ERJ-6ENF2211V, RCS08052K21FKEA, RMCF0805FT2K21) are ROHS3 compliant. Verify RoHS compliance requirements for your application before part selection.

Q: Can substitute parts with 0.5W rating be used in circuits designed for 0.125W resistors?

A: Yes. Parts with higher power ratings (0.5W) can be used in circuits designed for lower power ratings (0.125W) without electrical performance degradation. The higher power rating provides additional thermal margin and reliability. However, verify that PCB layout and thermal management accommodate the component without adverse effects on adjacent components or circuit performance.