RC1005F22R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F22R1CS is a 22.1 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format with 1/16W (0.063W) power rating. This component is classified as Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). The part is moisture resistant and suitable for general industrial applications requiring precision resistive elements in compact surface-mount form factors. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific enhancements such as automotive qualification or increased power ratings.

Key Parameters

Parameter	Value	Unit
Resistance	22.1	Ohms
Tolerance	±1%	-
Power Rating	0.063	W (1/16W)
Package / Case	0402 (1005 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±100	ppm/°C
Operating Temperature Range	-55 to 155	°C
Terminations	2	-
RoHS Status	ROHS3 Compliant	-
MSL Rating	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the RC1005F22R1CS are classified based on strict electrical and mechanical parameter alignment. The primary substitution criteria are:

Critical Parameters (Must Match):

Resistance value: 22.1 Ohms
Tolerance: ±1%
Package: 0402 (1005 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C to 155°C
Terminations: 2
RoHS3 Compliance
MSL Level 1

Secondary Parameters (Allow Variation):

Power Rating: 0.063W (1/16W) baseline; 0.1W (1/10W) represents upgrade capability
Features: Moisture Resistant designation; Automotive AEC-Q200 qualification

Direct Equivalents: Parts matching all critical and secondary parameters without enhancement.

Upgrade Parts: Parts exceeding power rating or adding automotive qualification while maintaining all critical parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance (Ohms)	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	RoHS3	MSL
RC1005F22R1CS	Samsung Electro-Mechanics	22.1	±1%	0.063	0402	Thick Film	±100	-55 to 155	Moisture Resistant	Yes	1
CR0402-FX-22R1GLF	Bourns Inc.	22.1	±1%	0.063	0402	Thick Film	±100	-55 to 155	-	Yes	1
RC0402FR-0722R1L	YAGEO	22.1	±1%	0.063	0402	Thick Film	±100	-55 to 155	Moisture Resistant	Yes	1
ERJ-2RKF22R1X	Panasonic Electronic Components	22.1	±1%	0.1	0402	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Yes	1
AC0402FR-0722R1L	YAGEO	22.1	±1%	0.063	0402	Thick Film	±100	-55 to 155	Automotive AEC-Q200, Moisture Resistant	Yes	1
CRCW040222R1FKED	Vishay Dale	22.1	±1%	0.063	0402	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Yes	1
RMCF0402FT22R1	Stackpole Electronics Inc	22.1	±1%	0.063	0402	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Yes	1

Engineering Selection Recommendations

Direct Equivalent Selection: CR0402-FX-22R1GLF (Bourns Inc.) and RC0402FR-0722R1L (YAGEO) function as direct electrical and mechanical equivalents to RC1005F22R1CS. Both maintain identical resistance, tolerance, power rating, package dimensions, and temperature characteristics. RC0402FR-0722R1L includes moisture resistant designation matching the original part. Selection between these options is based on supply chain availability and procurement lead times.

Moisture-Resistant Applications: RC0402FR-0722R1L (YAGEO) and AC0402FR-0722R1L (YAGEO) both provide moisture resistant thick film construction. AC0402FR-0722R1L adds Automotive AEC-Q200 qualification while maintaining identical electrical specifications and 1/16W power rating. This part is suitable for applications requiring both moisture protection and automotive-grade reliability.

Automotive-Qualified Alternatives: ERJ-2RKF22R1X (Panasonic Electronic Components), AC0402FR-0722R1L (YAGEO), CRCW040222R1FKED (Vishay Dale), and RMCF0402FT22R1 (Stackpole Electronics Inc) all carry AEC-Q200 automotive qualification. ERJ-2RKF22R1X provides upgraded 1/10W (0.1W) power rating while maintaining all other specifications. The remaining three maintain 1/16W rating with automotive qualification. These parts are appropriate for automotive and industrial applications requiring enhanced reliability standards.

Power Rating Upgrade Path: ERJ-2RKF22R1X represents the only upgrade option with increased power dissipation capability (0.1W versus 0.063W baseline). This part maintains all other critical parameters and adds automotive AEC-Q200 qualification, suitable for applications with higher thermal stress requirements.

All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and identical operating temperature range (-55°C to 155°C). Selection should be based on application requirements for automotive qualification, moisture resistance, and power dissipation margin.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-22R1GLF replace RC1005F22R1CS in all applications?

A: CR0402-FX-22R1GLF is electrically and mechanically equivalent with identical resistance (22.1 Ohms), tolerance (±1%), power rating (0.063W), package (0402), and temperature characteristics. The primary difference is the absence of explicit moisture resistant designation in CR0402-FX-22R1GLF specifications. For applications where moisture resistance is not a design requirement, this part functions as a direct substitute. For moisture-sensitive environments, RC0402FR-0722R1L is recommended.

Q: What is the difference between 1/16W and 1/10W power ratings?

A: The RC1005F22R1CS is rated for 0.063W (1/16W) continuous power dissipation. ERJ-2RKF22R1X is rated for 0.1W (1/10W), representing approximately 59% higher power handling capability. Both parts maintain identical resistance and tolerance. The 1/10W rating provides additional thermal margin in applications with higher current or power dissipation requirements. Physical dimensions remain identical (0402 package).

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

A: Yes. Automotive AEC-Q200 qualification indicates enhanced reliability testing and quality standards. Parts such as CRCW040222R1FKED, RMCF0402FT22R1, AC0402FR-0722R1L, and ERJ-2RKF22R1X meeting AEC-Q200 standards are fully compatible with non-automotive applications. The qualification represents a superset of standard industrial requirements and does not restrict use in general industrial or consumer applications.

Q: What does MSL Level 1 (Unlimited) mean for component handling?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life without special moisture control measures. All listed parts carry MSL Level 1 rating, meaning they do not require dry-pack storage, desiccant bags, or moisture bake-out procedures prior to soldering. Standard handling and storage conditions are acceptable.

Q: Can I use AC0402FR-0722R1L as a direct replacement for RC1005F22R1CS?

A: AC0402FR-0722R1L is functionally compatible with identical electrical specifications (22.1 Ohms, ±1%, 0.063W, ±100ppm/°C, -55°C to 155°C). It adds Automotive AEC-Q200 qualification and moisture resistant features. The maximum seated height is 0.015" (0.37mm) compared to 0.016" (0.40mm) for RC1005F22R1CS, representing a negligible 0.03mm difference within standard PCB assembly tolerances. This part is suitable as a direct replacement with enhanced specifications.

Q: Which substitute part offers the best overall compatibility?

A: RC0402FR-0722R1L (YAGEO) provides the closest functional match with moisture resistant designation matching the original RC1005F22R1CS. For applications requiring automotive qualification, AC0402FR-0722R1L combines moisture resistance with AEC-Q200 rating. For applications requiring maximum power dissipation margin, ERJ-2RKF22R1X provides 1/10W capability with automotive qualification. Selection depends on specific application requirements.

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