RCS2012J223CS 22kΩ 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RCS2012J223CS is a 22 kOhms ±5% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is actively produced and widely used in general-purpose applications requiring standard tolerance resistive elements. Substitute parts are identified based on matching resistance value, package form factor, and electrical performance within specified operating parameters. Alternative sources provide equivalent functionality with variations in tolerance grade, power rating, and automotive qualification levels.

Key Parameters

Parameter	RCS2012J223CS
Resistance Value	22 kOhms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are grouped by tolerance specification and power rating, as these parameters directly determine functional equivalence within the 0805 package form factor. All listed substitutes maintain the 22 kOhms resistance value, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and ROHS3 compliance of the primary part.

Tolerance-matched substitutes (±5%): AC0805JR-0722KL and RC0805JR-0722KL provide direct functional equivalence with identical tolerance and power rating specifications.

Tighter tolerance substitutes (±1%): AC0805FR-0722KL, CRCW080522K0FKEA, ERJ-6ENF2202V, RC0805FR-0722KL, and RMCF0805FT22K0 offer improved tolerance performance while maintaining 0.125W power rating and 0805 package dimensions. These parts are suitable for applications requiring higher precision.

Higher power rating substitutes (0.5W): CRCW080522K0FKEAHP, ERJ-UP6F2202V, and RCS080522K0FKEA provide increased power dissipation capability in the same 0805 package footprint. These are applicable where thermal margin or pulse withstanding requirements exceed the 0.125W specification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op Temp Range	Package	Height Max	AEC-Q200	MSL
RCS2012J223CS	Samsung Electro-Mechanics	22 kΩ	±5%	0.125	±100ppm/°C	-55 to 155°C	0805	0.66mm	—	1
AC0805FR-0722KL	YAGEO	22 kΩ	±1%	0.125	±100ppm/°C	-55 to 155°C	0805	0.60mm	Yes	1
AC0805JR-0722KL	YAGEO	22 kΩ	±5%	0.125	±100ppm/°C	-55 to 155°C	0805	0.60mm	Yes	1
CRCW080522K0FKEA	Vishay Dale	22 kΩ	±1%	0.125	±100ppm/°C	-55 to 155°C	0805	0.50mm	Yes	1
CRCW080522K0FKEAHP	Vishay Dale	22 kΩ	±1%	0.5	±100ppm/°C	-55 to 155°C	0805	0.50mm	Yes	1
ERJ-6ENF2202V	Panasonic Electronic Components	22 kΩ	±1%	0.125	±100ppm/°C	-55 to 155°C	0805	0.70mm	Yes	1
ERJ-UP6F2202V	Panasonic Electronic Components	22 kΩ	±1%	0.5	±100ppm/°C	-55 to 155°C	0805	0.70mm	Yes	1
RC0805FR-0722KL	YAGEO	22 kΩ	±1%	0.125	±100ppm/°C	-55 to 155°C	0805	0.60mm	—	1
RC0805JR-0722KL	YAGEO	22 kΩ	±5%	0.125	±100ppm/°C	-55 to 155°C	0805	0.60mm	—	1
RCS080522K0FKEA	Vishay Dale	22 kΩ	±1%	0.5	±100ppm/°C	-55 to 155°C	0805	0.50mm	Yes	1
RMCF0805FT22K0	Stackpole Electronics Inc	22 kΩ	±1%	0.125	±100ppm/°C	-55 to 155°C	0805	0.65mm	Yes	1

Engineering Selection Recommendations

Direct replacement (tolerance and power matched): AC0805JR-0722KL and RC0805JR-0722KL are functionally equivalent to RCS2012J223CS with identical ±5% tolerance and 0.125W power rating. Both maintain ROHS3 compliance and MSL 1 rating. AC0805JR-0722KL includes AEC-Q200 automotive qualification.

Improved tolerance applications: AC0805FR-0722KL, CRCW080522K0FKEA, ERJ-6ENF2202V, RC0805FR-0722KL, and RMCF0805FT22K0 provide ±1% tolerance in 0.125W configuration. These are suitable for circuits requiring tighter resistance accuracy. All except RC0805FR-0722KL carry AEC-Q200 certification.

Higher power dissipation: CRCW080522K0FKEAHP, ERJ-UP6F2202V, and RCS080522K0FKEA offer 0.5W rating within the same 0805 footprint. These are applicable where the primary part's 0.125W specification is insufficient. All three carry AEC-Q200 qualification and pulse withstanding capability.

Automotive applications: Parts with AEC-Q200 rating (AC0805FR-0722KL, AC0805JR-0722KL, CRCW080522K0FKEA, CRCW080522K0FKEAHP, ERJ-6ENF2202V, ERJ-UP6F2202V, RCS080522K0FKEA, RMCF0805FT22K0) meet automotive reliability standards and are preferred for automotive circuit designs.

All substitutes maintain the -55°C to 155°C operating temperature range, ±100ppm/°C temperature coefficient, and MSL 1 moisture sensitivity level of the primary part.

Frequently Asked Questions (FAQ)

Q: Can AC0805JR-0722KL directly replace RCS2012J223CS? A: Yes. Both parts specify 22 kOhms ±5% tolerance, 0.125W power rating, 0805 package, and identical operating temperature range. Physical dimensions and electrical performance are equivalent. AC0805JR-0722KL includes AEC-Q200 automotive qualification, which the primary part does not specify.

Q: What is the difference between ±5% and ±1% tolerance parts? A: Tolerance defines the maximum deviation from the nominal 22 kOhms value. ±5% tolerance allows deviation up to ±1.1 kOhms; ±1% tolerance restricts deviation to ±0.22 kOhms. Applications requiring precise resistance values benefit from ±1% parts. Both tolerance grades are electrically compatible in circuits designed for the primary part's ±5% specification.

Q: When should I use 0.5W rated parts instead of 0.125W? A: Power rating indicates maximum continuous power dissipation. Use 0.5W parts (CRCW080522K0FKEAHP, ERJ-UP6F2202V, RCS080522K0FKEA) when circuit analysis shows the resistor will dissipate more than 0.125W, or when thermal margin is required for reliability. The 0805 package accommodates both ratings without footprint changes.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant and maintain MSL 1 (Unlimited) moisture sensitivity level, matching the primary part's environmental compliance.

Q: What does AEC-Q200 certification mean? A: AEC-Q200 is an automotive industry standard for passive component reliability. Parts carrying this rating (AC0805FR-0722KL, AC0805JR-0722KL, CRCW080522K0FKEA, CRCW080522K0FKEAHP, ERJ-6ENF2202V, ERJ-UP6F2202V, RCS080522K0FKEA, RMCF0805FT22K0) meet enhanced qualification and testing requirements for automotive applications. Non-automotive applications may use any listed substitute.

Q: Do height differences affect PCB assembly? A: Height variations (0.50mm to 0.70mm maximum seated height) are within typical PCB assembly tolerances for 0805 components. Verify with your assembly process specifications if height-critical applications exist. All parts maintain the same 0.079" × 0.049" (2.00mm × 1.25mm) footprint.

Q: Can I mix different manufacturers in the same design? A: Yes. All substitutes meet identical electrical specifications for resistance, tolerance, power rating, and operating temperature. Mixing manufacturers is acceptable from an electrical standpoint. Verify procurement and supply chain consistency with your supplier.

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