Equivalent & Substitute Parts for RCS2012F5111CS

Part Overview

The RCS2012F5111CS is a 5.11 kOhms ±1% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. 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 886 pieces in stock.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design requirements necessitate alternative feature sets such as automotive qualification or enhanced pulse withstanding capabilities.

Substiute Parts

RCS2012F5111CS

Samsung Electro-MechanicsIn Stock: 963RCS2012F5111CS Datasheet

Current PartRFQ

AC0805FR-075K11L

YAGEOIn Stock: 10360AC0805FR-075K11L Datasheet

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CRCW08055K11FKEA

Vishay DaleIn Stock: 5375CRCW08055K11FKEA Datasheet

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CRCW08055K11FKEAHP

Vishay DaleIn Stock: 11152CRCW08055K11FKEAHP Datasheet

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CRCW08055K11FKTA

Vishay DaleIn Stock: 22734CRCW08055K11FKTA Datasheet

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ERJ-6ENF5111V

Panasonic Electronic ComponentsIn Stock: 333905ERJ-6ENF5111V Datasheet

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RC0805FR-075K11L

YAGEOIn Stock: 159194RC0805FR-075K11L Datasheet

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RCS08055K11FKEA

Vishay DaleIn Stock: 7011RCS08055K11FKEA Datasheet

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RMCF0805FT5K11

Stackpole Electronics IncIn Stock: 115282RMCF0805FT5K11 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F5111CS is determined by strict adherence to the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 5.11 kOhms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

• Power rating: Substitutes with equal or higher power rating (0.125W or greater) are acceptable
• Manufacturer: Different manufacturers are acceptable provided all mandatory parameters match
• Packaging format: Both Tape & Reel (TR) and Cut Tape (CT) formats are acceptable
• Compliance certifications: Additional certifications (AEC-Q200) do not disqualify a substitute

Substitutes are grouped into two categories based on power rating: standard 0.125W (1/8W) equivalents and enhanced 0.5W (1/2W) variants with pulse withstanding capability.

Parameter Comparison

Engineering Selection Recommendations

Primary Equivalents (0.125W, 1/8W, ROHS3 Compliant):

The following parts provide direct electrical and mechanical equivalence to the RCS2012F5111CS with full ROHS3 compliance:

• ERJ-6ENF5111V (Panasonic): Highest inventory availability (333,883 pcs) with AEC-Q200 automotive qualification. Suitable for applications requiring automotive-grade reliability.

• RC0805FR-075K11L (YAGEO): Available in Cut Tape format with 159,128 pcs in stock. Appropriate for applications with flexible packaging requirements.

• AC0805FR-075K11L (YAGEO): Tape & Reel format with AEC-Q200 qualification and 10,315 pcs available.

• CRCW08055K11FKEA (Vishay Dale): Tape & Reel format with AEC-Q200 qualification and 5,300 pcs in stock.

• RMCF0805FT5K11 (Stackpole Electronics Inc): Tape & Reel format with AEC-Q200 qualification and 115,237 pcs available.

Enhanced Power Rating Alternatives (0.5W, 1/2W, ROHS3 Compliant):

The following parts provide higher power dissipation capability with pulse withstanding features:

• CRCW08055K11FKEAHP (Vishay Dale): 0.5W rating with pulse withstanding capability and 11,064 pcs in stock.

• RCS08055K11FKEA (Vishay Dale): 0.5W rating with pulse withstanding capability and 6,959 pcs in stock.

Non-Compliant Alternative (Not Recommended for New Designs):

• CRCW08055K11FKTA (Vishay Dale): RoHS non-compliant with REACH affected status. Highest inventory (22,668 pcs) but unsuitable for applications requiring regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.5W (1/2W) resistor as a substitute for the 0.125W (1/8W) RCS2012F5111CS?

A: Yes. A higher power rating is acceptable as a direct substitute. The 0.5W variants (CRCW08055K11FKEAHP and RCS08055K11FKEA) will function identically in the circuit while providing additional thermal margin and pulse withstanding capability. Physical dimensions remain identical at 0805 package size.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging is supplied on continuous reels suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging is supplied in smaller quantities on tape segments. Both formats contain identical components; packaging selection depends on production volume and assembly equipment compatibility.

Q: Are AEC-Q200 qualified parts required for this application?

A: AEC-Q200 qualification is not mandatory unless the application is automotive or requires automotive-grade reliability standards. Non-automotive qualified parts (such as RC0805FR-075K11L) are fully functional equivalents for general industrial and consumer applications.

Q: Why is CRCW08055K11FKTA listed as non-compliant?

A: CRCW08055K11FKTA carries RoHS non-compliant status and REACH affected designation. This part should not be used in new designs targeting markets with regulatory compliance requirements. ROHS3 compliant alternatives are available with equivalent specifications.

Q: Can I substitute parts from different manufacturers?

A: Yes. All listed substitutes from Samsung Electro-Mechanics, YAGEO, Vishay Dale, Panasonic, and Stackpole Electronics meet identical electrical and mechanical specifications. Manufacturer selection may be based on inventory availability, lead time, or supply chain preferences.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes carry identical MSL 1 rating.

Q: Are the physical dimensions identical across all substitutes?

A: All substitutes use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height variations exist (ranging from 0.020" to 0.028" seated height maximum) but remain within standard 0805 package tolerances and do not affect PCB layout or assembly compatibility.