RCS3216F223CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F223CS is a 22 kOhms ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This thick film resistor features anti-sulfur and moisture-resistant construction with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is currently Active in product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count) while maintaining the same environmental performance characteristics.

Key Parameters

Parameter	Value
Resistance	22 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F223CS are qualified based on the following criteria:

Electrical Equivalence: All substitute parts must match the primary electrical specifications: 22 kOhms resistance value, ±1% tolerance, and 0.25W (1/4W) power rating.

Mechanical Compatibility: All substitute parts must use the 1206 (3216 Metric) package with 2 terminations to ensure direct board-level compatibility without layout modifications.

Environmental Performance: All substitute parts must maintain the same operating temperature range (-55°C to 155°C), temperature coefficient (±100ppm/°C), and thick film composition.

Regulatory Compliance: All substitute parts must be ROHS3 compliant and maintain MSL 1 (Unlimited) moisture sensitivity level.

Composition: All substitute parts utilize thick film construction consistent with the primary part.

Parts that exceed the 0.25W power rating (such as CRCW120622K0FKEAHP at 0.75W) are listed as substitutes but represent upgraded alternatives suitable for applications requiring higher power dissipation capability within the same package footprint.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS Status	MSL	Product Status
RCS3216F223CS	Samsung Electro-Mechanics	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
AC1206FR-0722KL	YAGEO	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CR1206-FX-2202ELF	Bourns Inc.	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRCW120622K0FKEA	Vishay Dale	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CRCW120622K0FKEAHP	Vishay Dale	22 kOhms	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
ERJ-8ENF2202V	Panasonic Electronic Components	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Not For New Designs
KTR18EZPF2202	Rohm Semiconductor	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RC1206FR-0722KL	YAGEO	22 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active

Engineering Selection Recommendations

Primary Equivalents (Direct Substitution): AC1206FR-0722KL (YAGEO), CR1206-FX-2202ELF (Bourns Inc.), CRCW120622K0FKEA (Vishay Dale), KTR18EZPF2202 (Rohm Semiconductor), and RC1206FR-0722KL (YAGEO) are direct electrical and mechanical equivalents to the RCS3216F223CS. All maintain identical resistance, tolerance, power rating, package, and environmental specifications. All are Active in product status with ROHS3 compliance.

Upgraded Alternative: CRCW120622K0FKEAHP (Vishay Dale) provides the same electrical value and tolerance within the 1206 package but with increased power rating (0.75W versus 0.25W). This part is suitable for applications requiring higher power dissipation margin while maintaining the same footprint and environmental performance.

Legacy Consideration: ERJ-8ENF2202V (Panasonic Electronic Components) meets all electrical and mechanical specifications but carries a "Not For New Designs" product status. This part remains available for existing design support and maintenance applications but should not be selected for new circuit development.

Automotive Applications: AC1206FR-0722KL, CRCW120622K0FKEA, CRCW120622K0FKEAHP, ERJ-8ENF2202V, and KTR18EZPF2202 include AEC-Q200 automotive qualification. These parts are suitable for automotive and high-reliability applications requiring automotive-grade component certification.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-0722KL be used as a direct replacement for RCS3216F223CS?

A: Yes. AC1206FR-0722KL matches all critical parameters: 22 kOhms ±1%, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1. The part is Active in product status and suitable for direct board-level substitution.

Q: What is the difference between CRCW120622K0FKEA and CRCW120622K0FKEAHP?

A: Both parts share identical resistance (22 kOhms), tolerance (±1%), package (1206), and environmental specifications. The primary difference is power rating: CRCW120622K0FKEA is rated at 0.25W, while CRCW120622K0FKEAHP is rated at 0.75W. The higher-power variant (FKEAHP) is suitable for applications requiring greater power dissipation capability within the same footprint.

Q: Why is ERJ-8ENF2202V marked "Not For New Designs"?

A: ERJ-8ENF2202V carries a "Not For New Designs" product status, indicating that Panasonic has transitioned this part to legacy support. While the part remains electrically and mechanically equivalent to RCS3216F223CS and is available in inventory, it should be used only for existing design maintenance and support. New circuit designs should select from Active-status alternatives such as AC1206FR-0722KL, CR1206-FX-2202ELF, CRCW120622K0FKEA, KTR18EZPF2202, or RC1206FR-0722KL.

Q: Are all substitute parts suitable for automotive applications?

A: Five of the seven substitute parts include AEC-Q200 automotive qualification: AC1206FR-0722KL, CRCW120622K0FKEA, CRCW120622K0FKEAHP, ERJ-8ENF2202V, and KTR18EZPF2202. CR1206-FX-2202ELF (Bourns) and RC1206FR-0722KL (YAGEO) do not list AEC-Q200 certification. For automotive applications, select from the AEC-Q200 qualified alternatives.

Q: Can the 1206 package dimensions vary between manufacturers?

A: Yes. While all substitute parts use the 1206 (3216 Metric) package designation, dimensional tolerances vary slightly between manufacturers. Typical length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations remain within standard 1206 package specifications and do not affect PCB footprint compatibility. Verify specific dimensions against your PCB design requirements if tight mechanical clearances are present.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture-controlled storage or handling. This classification applies to all listed parts and means they can be stored under standard warehouse conditions without time-based degradation or moisture absorption concerns.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, matching the RCS3216F223CS environmental standard. This ensures compatibility with regulatory requirements for restricted substances in electronic components.

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