RCS3216F2212CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F2212CS is a 22.1 kOhms ±1% 0.25W (1/4W) chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant construction, operating across -55°C to 155°C with ±100ppm/°C temperature coefficient. The part is ROHS3 compliant with MSL 1 (Unlimited) rating and is currently Active in product status with 710 pieces in stock.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design requirements necessitate alternative certifications such as automotive AEC-Q200 qualification or enhanced power ratings.

Key Parameters

Parameter	Value
Resistance	22.1 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F2212CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 22.1 kOhms
Tolerance: ±1%
Package / Case: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
Number of Terminations: 2

Allowable Variation Parameters:

Power Rating: 0.25W (1/4W) or higher
Physical dimensions: Minor variations within 1206 package specification
Packaging format: Tape & Reel (TR), Cut Tape (CT), or equivalent
Manufacturer: Different qualified manufacturers
Additional certifications: AEC-Q200 automotive qualification is allowable as an enhancement

All substitute parts listed meet these criteria and are electrically and mechanically interchangeable with the RCS3216F2212CS in standard applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS	MSL	Product Status	Inventory
RCS3216F2212CS	Samsung Electro-Mechanics	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	710 Pcs
AC1206FR-0722K1L	YAGEO	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	10960 Pcs
CR1206-FX-2212ELF	Bourns Inc.	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	25316 Pcs
CRCW120622K1FKEA	Vishay Dale	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	23986 Pcs
CRCW120622K1FKEAHP	Vishay Dale	22.1 kOhms	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	6201 Pcs
ERJ-8ENF2212V	Panasonic Electronic Components	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Not For New Designs	79917 Pcs
RC1206FR-0722K1L	YAGEO	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	31422 Pcs
RMCF1206FT22K1	Stackpole Electronics Inc	22.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active	42911 Pcs

Engineering Selection Recommendations

Primary Substitutes (Active Status, Standard Applications):

The following parts are recommended as direct substitutes for the RCS3216F2212CS in applications requiring standard industrial or commercial specifications:

RC1206FR-0722K1L (YAGEO): Active product status with 31422 pieces in inventory. Identical electrical specifications and 1206 package. Suitable for general-purpose applications.
CR1206-FX-2212ELF (Bourns Inc.): Active product status with highest inventory (25316 pieces). Meets all electrical and mechanical requirements.
RMCF1206FT22K1 (Stackpole Electronics Inc): Active product status with 42911 pieces available. Provides reliable supply continuity.
AC1206FR-0722K1L (YAGEO): Active product status with automotive AEC-Q200 certification. Suitable for applications requiring automotive-grade components.

Enhanced Power Rating Substitute:

CRCW120622K1FKEAHP (Vishay Dale): Provides 0.75W (3/4W) power rating in the same 1206 package. Suitable for applications requiring higher power dissipation capability while maintaining identical resistance, tolerance, and temperature specifications. Active product status with AEC-Q200 certification.

Automotive-Qualified Substitutes:

CRCW120622K1FKEA (Vishay Dale): AEC-Q200 certified, Active status, 23986 pieces in inventory.
RMCF1206FT22K1 (Stackpole Electronics Inc): AEC-Q200 certified, Active status, 42911 pieces in inventory.

Legacy Component (Not Recommended for New Designs):

ERJ-8ENF2212V (Panasonic Electronic Components): Product status is "Not For New Designs." Although 79917 pieces are in inventory, this part should not be selected for new circuit designs. Use only for replacement or repair of existing equipment.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS3216F2212CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts (except ERJ-8ENF2212V) maintain identical resistance (22.1 kOhms), tolerance (±1%), package (1206), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitution is electrically and mechanically compatible.

Q: What is the difference between the standard 0.25W substitutes and the CRCW120622K1FKEAHP?

A: The CRCW120622K1FKEAHP provides 0.75W power rating compared to 0.25W in the standard substitutes. This higher power rating allows the component to dissipate more heat without exceeding temperature limits. All other electrical parameters remain identical. Use the 0.75W variant only if your circuit design requires higher power dissipation.

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

A: Yes. Automotive-qualified parts meet or exceed industrial and commercial specifications. AEC-Q200 certification indicates enhanced reliability testing and quality assurance. These parts are fully compatible with non-automotive applications and provide additional assurance of component quality.

Q: Why is ERJ-8ENF2212V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) has discontinued active development and recommends against using this part in new circuit designs. Although inventory is available, this part should be reserved for maintenance and repair of existing equipment only. Select an Active-status alternative for new designs.

Q: What packaging formats are available for these substitutes?

A: Most substitutes are supplied in Tape & Reel (TR) format for automated assembly. CRCW120622K1FKEAHP is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging compatibility with your procurement and assembly processes before final part selection.

Q: Do all substitutes have the same physical dimensions?

A: All parts conform to the 1206 (3216 Metric) package specification. Minor dimensional variations exist within package tolerance (length 0.122" to 0.126", width 0.063", height 0.024" to 0.030"). These variations are within standard PCB footprint tolerances and do not affect mechanical compatibility.

Q: Which substitute offers the best supply availability?

A: RMCF1206FT22K1 (Stackpole Electronics Inc) has the highest inventory at 42911 pieces, followed by CR1206-FX-2212ELF (Bourns Inc.) at 25316 pieces. Both are Active products with reliable supply chains.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the RCS3216F2212CS specifications.

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