RC2012F180CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F180CS is an 18 Ohm ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC2012F180CS

Samsung Electro-MechanicsIn Stock: 821RC2012F180CS Datasheet

Current PartRFQ

CR0805-FX-18R0ELF

Bourns Inc.In Stock: 25336CR0805-FX-18R0ELF Datasheet

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ERJ-6ENF18R0V

Panasonic Electronic ComponentsIn Stock: 103812ERJ-6ENF18R0V Datasheet

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RC0805FR-0718RL

YAGEOIn Stock: 133835RC0805FR-0718RL Datasheet

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RMCF0805FT18R0

Stackpole Electronics IncIn Stock: 2049RMCF0805FT18R0 Datasheet

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AC0805FR-0718RL

YAGEOIn Stock: 10538AC0805FR-0718RL Datasheet

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CRCW080518R0FKEA

Vishay DaleIn Stock: 46879CRCW080518R0FKEA Datasheet

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CRCW080518R0FKEAHP

Vishay DaleIn Stock: 30744CRCW080518R0FKEAHP Datasheet

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ERJ-UP6F18R0V

Panasonic Electronic ComponentsIn Stock: 5735ERJ-UP6F18R0V Datasheet

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RCS080518R0FKEA

Vishay DaleIn Stock: 1545RCS080518R0FKEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F180CS are categorized into two groups based on electrical and mechanical compatibility:

Direct Substitutes (Identical Electrical and Power Specifications): Parts matching all critical parameters: 18 Ohms resistance, ±1% tolerance, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1 rating. These parts are functionally equivalent for standard applications without design modification.

Similar Substitutes (Matching Core Specifications with Variations): Parts that maintain identical resistance, tolerance, package, temperature coefficient, and operating range but differ in power rating (0.5W instead of 0.125W) or include additional features such as automotive AEC-Q200 qualification, anti-sulfur treatment, or pulse withstanding capability. These parts provide enhanced performance characteristics suitable for demanding applications.

The substitution logic is based strictly on the following allowed parameters:

• Resistance value and tolerance
• Package dimensions and form factor
• Temperature coefficient and operating temperature range
• Power dissipation capability
• Environmental compliance (RoHS, REACH, MSL)
• Automotive qualification where applicable

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required):

CR0805-FX-18R0ELF (Bourns Inc.) and RC0805FR-0718RL (YAGEO) are functionally equivalent to RC2012F180CS with identical electrical specifications and 0.125W power rating. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these options depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and supplier availability.

For Applications Requiring Automotive Qualification:

ERJ-6ENF18R0V (Panasonic), RMCF0805FT18R0 (Stackpole), AC0805FR-0718RL (YAGEO), and CRCW080518R0FKEA (Vishay Dale) provide AEC-Q200 automotive qualification while maintaining identical 0.125W power rating and all other core specifications. AC0805FR-0718RL additionally includes moisture resistant features matching the original part.

For Applications Requiring Enhanced Power Dissipation:

CRCW080518R0FKEAHP (Vishay Dale), ERJ-UP6F18R0V (Panasonic), and RCS080518R0FKEA (Vishay Dale) provide 0.5W power rating with automotive AEC-Q200 qualification. ERJ-UP6F18R0V includes anti-sulfur and pulse withstanding features. These parts are suitable for applications where higher power dissipation or pulse tolerance is required while maintaining the same 18 Ohm resistance and ±1% tolerance.

All listed substitutes maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating consistent with the original RC2012F180CS specification.

Frequently Asked Questions (FAQ)

Q: Can CR0805-FX-18R0ELF replace RC2012F180CS in any application?

A: CR0805-FX-18R0ELF is a direct electrical and mechanical equivalent with identical 18 Ohm resistance, ±1% tolerance, 0.125W power rating, 0805 package, and operating temperature range. Substitution is valid for all applications where the original part is specified, subject to packaging format compatibility (Tape & Reel).

Q: What is the difference between 0.125W and 0.5W rated parts?

A: Power rating indicates maximum continuous power dissipation capability. Parts rated 0.5W (such as CRCW080518R0FKEAHP and ERJ-UP6F18R0V) can dissipate four times more power than 0.125W parts. Selection of higher power rating parts is appropriate only when circuit design requires increased power handling. Using 0.5W parts in applications designed for 0.125W parts introduces no functional penalty but increases component cost and board space.

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

A: Automotive AEC-Q200 qualification indicates enhanced reliability testing and environmental stress screening. These parts are fully suitable for non-automotive applications and provide equivalent or superior performance compared to non-qualified alternatives. Selection of AEC-Q200 parts for non-automotive use is a design choice based on reliability requirements and cost considerations.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This classification applies to all listed substitute parts and the original RC2012F180CS, eliminating moisture-related handling constraints.

Q: Can I substitute ERJ-UP6F18R0V (0.5W) for RC2012F180CS (0.125W) without circuit modification?

A: ERJ-UP6F18R0V maintains identical resistance, tolerance, package, temperature coefficient, and operating range. The higher 0.5W power rating does not require circuit modification. However, verify that the application does not depend on the specific thermal characteristics of the 0.125W part. In most standard applications, substitution is valid.

Q: What packaging formats are available for these substitutes?

A: RC2012F180CS is supplied in Tape & Reel (TR) format. Substitute parts are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Verify packaging compatibility with assembly equipment specifications before procurement.

Q: Are all listed parts ROHS3 compliant?

A: All listed substitute parts maintain ROHS3 compliance and REACH unaffected status consistent with RC2012F180CS. Environmental compliance is uniform across all options.