RCS2012F1822CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F1822CS is an 18.2 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. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	18.2 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 18.2 kOhms
Tolerance: ±1%
Package / Case: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Power rating: 0.125W (1/8W) primary specification; 0.5W (1/2W) acceptable for higher power margin applications
Packaging format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable in manufacturing processes
Height seated maximum: Minor variations (0.020" to 0.028") within 0805 package specification
Manufacturer: Multiple qualified manufacturers (Samsung Electro-Mechanics, Vishay Dale, Panasonic Electronic Components, YAGEO, Stackpole Electronics Inc)
Certifications: AEC-Q200 automotive qualification is optional enhancement; ROHS3 compliance required

Substitute parts RC2012F1822CS, CRCW080518K2FKEA, CRCW080518K2FKEAHP, CRCW080518K2FKTA, ERJ-6ENF1822V, RC0805FR-0718K2L, RCS080518K2FKEA, and RMCF0805FT18K2 meet these criteria and are electrically and mechanically equivalent to RCS2012F1822CS.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op Temp Range	MSL	RoHS Status	Packaging Format	Height Max (in)
RCS2012F1822CS	Samsung Electro-Mechanics	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Tape & Reel	0.026"
RC2012F1822CS	Samsung Electro-Mechanics	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Cut Tape	0.026"
CRCW080518K2FKEA	Vishay Dale	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Tape & Reel	0.020"
CRCW080518K2FKEAHP	Vishay Dale	18.2 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Tape & Reel	0.020"
CRCW080518K2FKTA	Vishay Dale	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	RoHS non-compliant	Tape & Reel	0.020"
ERJ-6ENF1822V	Panasonic Electronic Components	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Tape & Reel	0.028"
RC0805FR-0718K2L	YAGEO	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Cut Tape & Digi-Reel	0.024"
RCS080518K2FKEA	Vishay Dale	18.2 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Tape & Reel	0.020"
RMCF0805FT18K2	Stackpole Electronics Inc	18.2 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Tape & Reel	0.026"

Engineering Selection Recommendations

Primary Equivalent (Direct Replacement): RC2012F1822CS (Samsung Electro-Mechanics) is the closest equivalent, differing only in packaging format (Cut Tape vs. Tape & Reel). Both are ROHS3 compliant and carry identical electrical specifications.

Automotive-Qualified Alternatives: CRCW080518K2FKEA, ERJ-6ENF1822V, and RMCF0805FT18K2 are qualified to AEC-Q200 automotive standards. These parts are suitable for applications requiring automotive-grade reliability and are ROHS3 compliant.

Higher Power Margin Applications: CRCW080518K2FKEAHP and RCS080518K2FKEA provide 0.5W (1/2W) power rating with pulse withstanding capability, maintaining all other electrical parameters. These are appropriate for circuits requiring additional thermal margin or pulse stress tolerance.

Compliance Consideration: CRCW080518K2FKTA is RoHS non-compliant and REACH affected. This part is not recommended for new designs or applications with regulatory compliance requirements.

High-Volume Availability: RC0805FR-0718K2L (YAGEO) offers the highest inventory availability (309,115 pieces) with ROHS3 compliance and standard 0.125W rating, suitable for cost-sensitive high-volume production.

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS2012F1822CS with RC2012F1822CS? A: Yes. Both parts are manufactured by Samsung Electro-Mechanics with identical electrical specifications (18.2 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C). The only difference is packaging format (Tape & Reel vs. Cut Tape), which does not affect circuit performance.

Q: Are automotive-qualified parts (AEC-Q200) direct substitutes? A: Yes, for applications where automotive qualification is not mandatory. CRCW080518K2FKEA, ERJ-6ENF1822V, and RMCF0805FT18K2 meet all electrical and mechanical requirements of RCS2012F1822CS and add automotive reliability qualification. They are electrically and mechanically interchangeable.

Q: Can I use CRCW080518K2FKEAHP (0.5W) instead of RCS2012F1822CS (0.125W)? A: Yes, for direct substitution. The 0.5W rating provides additional power margin and pulse withstanding capability while maintaining identical resistance, tolerance, package, and temperature specifications. This substitution is appropriate when higher thermal stress or pulse immunity is beneficial.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Both formats contain identical components. Tape & Reel (TR) is supplied on continuous tape for automated pick-and-place assembly. Cut Tape (CT) is supplied in shorter tape segments for manual or lower-volume assembly. Electrical and mechanical performance is identical.

Q: Is CRCW080518K2FKTA suitable for new designs? A: No. This part is RoHS non-compliant and REACH affected. It is not recommended for new product designs or applications subject to environmental or regulatory compliance requirements.

Q: What is Moisture Sensitivity Level (MSL) 1? A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed substitute parts carry MSL 1, meaning they can be stored and handled without special moisture control procedures.

Q: Can I mix different manufacturers in the same circuit board? A: Yes. All listed substitute parts meet identical electrical specifications, tolerance, package dimensions, and temperature range. Mixing manufacturers on the same board does not affect circuit performance or reliability.

Q: Which substitute offers the best availability? A: RC0805FR-0718K2L (YAGEO) has the highest inventory at 309,115 pieces. This part is ROHS3 compliant with standard 0.125W rating and is suitable for high-volume production requirements.

Q: Are height differences significant? A: Height variations (0.020" to 0.028") are within 0805 package specification tolerances and do not affect PCB assembly or circuit performance. All listed parts are mechanically compatible with standard 0805 footprints.

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