RCS2012F184CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F184CS is a 180 kOhms ±1% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part is ROHS3 compliant with MSL 1 (Unlimited) rating, suitable for general industrial and consumer applications requiring stable resistive elements across extended temperature ranges from -55°C to 155°C.

Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and packaging standards. Alternative sources provide equivalent performance for applications where the primary part is unavailable or where specific certifications (such as AEC-Q200 automotive qualification) are required.

Substiute Parts

RCS2012F184CS

Samsung Electro-MechanicsIn Stock: 1056RCS2012F184CS Datasheet

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RC2012F184CS

Samsung Electro-MechanicsIn Stock: 868RC2012F184CS Datasheet

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AC0805FR-07180KL

YAGEOIn Stock: 5457AC0805FR-07180KL Datasheet

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CRCW0805180KFKEA

Vishay DaleIn Stock: 47586CRCW0805180KFKEA Datasheet

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CRCW0805180KFKEAHP

Vishay DaleIn Stock: 5200CRCW0805180KFKEAHP Datasheet

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ERJ-6ENF1803V

Panasonic Electronic ComponentsIn Stock: 70172ERJ-6ENF1803V Datasheet

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ERJ-UP6F1803V

Panasonic Electronic ComponentsIn Stock: 5875ERJ-UP6F1803V Datasheet

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RC0805FR-07180KL

YAGEOIn Stock: 5668RC0805FR-07180KL Datasheet

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RCS0805180KFKEA

Vishay DaleIn Stock: 4465RCS0805180KFKEA Datasheet

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RMCF0805FT180K

Stackpole Electronics IncIn Stock: 40862RMCF0805FT180K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F184CS are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Mandatory Matching Parameters:

• Resistance value: 180 kOhms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Power Rating Consideration: Substitutes are divided into two categories based on power dissipation capability:

• Direct Equivalents (0.125W / 1/8W): Parts with identical power rating for drop-in replacement in existing designs
• Higher Power Variants (0.5W / 1/2W): Parts with increased power handling capability, suitable for applications requiring additional thermal margin or higher pulse withstanding capability

Certification Variants: Some substitutes include AEC-Q200 automotive qualification, which is an additional feature not present in the main part but does not prevent substitution in non-automotive applications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (0.125W / 1/8W Power Rating):

Parts RC2012F184CS, AC0805FR-07180KL, CRCW0805180KFKEA, ERJ-6ENF1803V, RC0805FR-07180KL, and RMCF0805FT180K are electrically and mechanically equivalent to RCS2012F184CS. Selection among these options depends on packaging requirements and certification needs:

• RC2012F184CS (Samsung Electro-Mechanics, Cut Tape): Identical electrical specifications with alternative packaging format. Suitable for applications where cut tape supply is preferred over tape & reel.

• AC0805FR-07180KL, CRCW0805180KFKEA, ERJ-6ENF1803V, RMCF0805FT180K (YAGEO, Vishay Dale, Panasonic, Stackpole): All include AEC-Q200 automotive qualification. These parts are suitable for automotive applications and provide enhanced reliability documentation. Mechanical dimensions vary slightly (height range 0.50mm to 0.70mm), which is within standard PCB assembly tolerances.

• RC0805FR-07180KL (YAGEO, Cut Tape & Digi-Reel): Equivalent specifications with alternative packaging format.

For Higher Power Applications (0.5W / 1/2W Power Rating):

Parts CRCW0805180KFKEAHP, ERJ-UP6F1803V, and RCS0805180KFKEA provide increased power dissipation capability (0.5W vs. 0.125W) while maintaining all other electrical parameters. These parts are suitable for applications requiring higher thermal margin or pulse withstanding capability. All three include AEC-Q200 automotive qualification and pulse withstanding features.

Compliance and Certification:

All listed substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute a 0.5W (1/2W) rated resistor for the 0.125W (1/8W) RCS2012F184CS?

A: Yes. Parts CRCW0805180KFKEAHP, ERJ-UP6F1803V, and RCS0805180KFKEA are direct electrical substitutes with higher power rating. The increased power capability does not affect circuit operation in applications designed for 0.125W components. The physical package remains 0805 (2012 Metric) with compatible PCB footprints.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging supplies components on continuous carrier tape wound on reels, suitable for automated assembly lines. Cut Tape supplies components on cut segments of carrier tape, suitable for manual assembly or smaller production runs. Electrical and mechanical specifications are identical; packaging choice depends on assembly process requirements.

Q: Are AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and documentation. Parts with AEC-Q200 certification (AC0805FR-07180KL, CRCW0805180KFKEA, ERJ-6ENF1803V, CRCW0805180KFKEAHP, ERJ-UP6F1803V, RCS0805180KFKEA, RMCF0805FT180K) are fully compatible with non-automotive applications and provide additional quality assurance.

Q: What does ±100ppm/°C temperature coefficient mean?

A: Temperature coefficient specifies the fractional change in resistance per degree Celsius. ±100ppm/°C indicates that resistance changes by approximately 0.01% per °C across the operating temperature range of -55°C to 155°C. All listed substitutes share this specification with the main part.

Q: Can I use RC2012F184CS (Cut Tape) as a direct replacement for RCS2012F184CS (Tape & Reel)?

A: Yes, from an electrical and mechanical standpoint. Both parts are manufactured by Samsung Electro-Mechanics with identical electrical specifications (180 kΩ, ±1%, 0.125W). The difference is packaging format only. Verify that your assembly process accommodates cut tape supply.

Q: What is MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component can be stored indefinitely without special moisture control measures. All listed substitutes carry MSL 1 rating, ensuring compatibility with standard storage and handling procedures.

Q: Are there dimensional differences between substitute parts?

A: All parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height varies slightly between manufacturers (0.50mm to 0.70mm maximum seated height), which is within standard PCB assembly tolerances and does not affect footprint compatibility.