RCS3216F221CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F221CS is a 220 Ohms ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component features anti-sulfur and moisture-resistant construction, operating across the temperature range of -55°C to 155°C. The part maintains Active product status with 1176 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	220 Ohms
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
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F221CS are qualified based on the following criteria:

Primary Matching Parameters:

Resistance Value: 220 Ohms
Tolerance: ±1%
Power Rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
Terminations: 2

Compliance Considerations:

RoHS3 Compliance status
Moisture Sensitivity Level: 1 (Unlimited)
REACH Status alignment

Parts meeting all primary matching parameters are classified as direct electrical and mechanical equivalents. Variations in secondary features such as automotive certifications (AEC-Q200), packaging format (Tape & Reel vs. Cut Tape), or enhanced power ratings are noted but do not disqualify substitution eligibility when core specifications align.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS Status	Product Status	Packaging Format
RCS3216F221CS	Samsung Electro-Mechanics	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Active	—
AC1206FR-07220RL	YAGEO	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Active	Tape & Reel (TR)
CR1206-FX-2200ELF	Bourns Inc.	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Active	Tape & Reel (TR)
CRCW1206220RFKEA	Vishay Dale	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Active	Tape & Reel (TR)
CRCW1206220RFKEAHP	Vishay Dale	220 Ω	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Active	Tape & Reel (TR)
CRCW1206220RFKTA	Vishay Dale	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	RoHS non-compliant	Active	Tape & Reel (TR)
ERJ-8ENF2200V	Panasonic Electronic Components	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Not For New Designs	Tape & Reel (TR)
RC1206FR-07220RL	YAGEO	220 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3 Compliant	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Tier 1 - Direct Equivalents (Recommended for New Designs):

AC1206FR-07220RL (YAGEO), CR1206-FX-2200ELF (Bourns Inc.), CRCW1206220RFKEA (Vishay Dale), and RC1206FR-07220RL (YAGEO) are fully qualified substitutes. All maintain Active product status, ROHS3 compliance, and identical electrical specifications. These parts are suitable for direct replacement in new circuit designs and production environments.

Tier 2 - Conditional Equivalents:

CRCW1206220RFKEAHP (Vishay Dale) provides equivalent electrical performance with enhanced power rating (0.75W vs. 0.25W). This part is suitable for applications requiring higher power dissipation capability while maintaining the same 1206 package footprint and resistance value.

Tier 3 - Legacy / Restricted Use:

CRCW1206220RFKTA (Vishay Dale) is electrically equivalent but carries RoHS non-compliance and REACH Affected status, restricting use in regulated markets and new designs.

ERJ-8ENF2200V (Panasonic Electronic Components) is electrically equivalent with ROHS3 compliance but carries "Not For New Designs" product status, indicating obsolescence trajectory. Use only for legacy system maintenance or repair applications.

Frequently Asked Questions (FAQ)

Q1: Can I substitute AC1206FR-07220RL for RCS3216F221CS in my circuit?

A: Yes. AC1206FR-07220RL meets all primary electrical and mechanical specifications: 220 Ohms ±1%, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both are ROHS3 compliant with MSL 1 rating. The primary difference is packaging format (Tape & Reel vs. standard packaging) and automotive AEC-Q200 certification on the YAGEO part, which does not affect functional compatibility.

Q2: What is the difference between CRCW1206220RFKEA and CRCW1206220RFKEAHP?

A: Both are Vishay Dale parts with identical resistance, tolerance, and package specifications. The key difference is power rating: CRCW1206220RFKEA is rated 0.25W (1/4W), while CRCW1206220RFKEAHP is rated 0.75W (3/4W) with pulse withstanding capability. The higher power rating part can be used as a substitute in applications where the original 0.25W rating is adequate, as it provides additional thermal margin.

Q3: Why is ERJ-8ENF2200V marked "Not For New Designs"?

A: This designation indicates the part is in obsolescence phase. While electrically and mechanically equivalent to RCS3216F221CS, Panasonic has discontinued active development and recommends alternative sources for new circuit designs. This part remains suitable for legacy system repairs or maintenance where existing inventory exists.

Q4: Can I use CRCW1206220RFKTA as a substitute?

A: CRCW1206220RFKTA is electrically equivalent but carries RoHS non-compliance and REACH Affected status. Use is restricted in regulated markets and applications subject to environmental compliance requirements. For new designs and regulated applications, select ROHS3-compliant alternatives such as CRCW1206220RFKEA.

Q5: Does package format (Tape & Reel vs. Cut Tape) affect substitution?

A: Package format affects procurement and assembly processes but not electrical or mechanical compatibility. Tape & Reel (TR) packaging is standard for automated assembly lines, while Cut Tape (CT) & Digi-Reel® is suitable for manual assembly or lower-volume applications. Both formats contain identical components with identical specifications.

Q6: Are all substitute parts automotive-qualified?

A: Not all. AC1206FR-07220RL, CRCW1206220RFKEA, CRCW1206220RFKEAHP, CRCW1206220RFKTA, and ERJ-8ENF2200V carry AEC-Q200 automotive certification. CR1206-FX-2200ELF (Bourns) and RC1206FR-07220RL (YAGEO) do not list automotive certification. For automotive applications, select AEC-Q200 certified parts.

Q7: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This applies to all listed parts and the original RCS3216F221CS, eliminating moisture-related procurement or storage constraints.

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