RC3216F4222CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F4222CS is a 42.2 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film, moisture-resistant component operates across -55°C to 155°C and is classified as Active product status with ROHS3 compliance and MSL 1 rating. Substitute parts are identified when electrical specifications, mechanical dimensions, and environmental ratings align with the original component's functional requirements.

Key Parameters

Parameter	Value
Resistance	42.2 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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC3216F4222CS are classified based on strict alignment with the following critical parameters:

Electrical Specifications: Resistance value (42.2 kOhms), tolerance (±1%), power rating (0.25W), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package designation (1206 / 3216 Metric), physical dimensions (0.126" L x 0.063" W / 3.20mm x 1.60mm), and termination count (2) must be identical to ensure PCB footprint compatibility.

Environmental & Compliance Requirements: Operating temperature range (-55°C ~ 155°C), moisture resistance, MSL 1 rating, and ROHS3 compliance must be maintained.

Composition: Thick film construction is required for functional equivalence.

All identified substitute parts meet these criteria. Variations in seated height (ranging from 0.024" to 0.030") remain within acceptable assembly tolerances for standard PCB reflow processes.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power	Package	Temp Coeff	Op. Temp Range	Height (Max)	Product Status	RoHS	MSL
Samsung Electro-Mechanics	RC3216F4222CS	42.2 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	0.66mm	Active	ROHS3	1
Bourns Inc.	CR1206-FX-4222ELF	42.2 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	0.75mm	Active	ROHS3	1
YAGEO	RC1206FR-0742K2L	42.2 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	0.65mm	Active	ROHS3	1
Vishay Dale	CRCW120642K2FKEA	42.2 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	0.60mm	Active	ROHS3	1
Panasonic Electronic Components	ERJ-8ENF4222V	42.2 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	0.70mm	Not For New Designs	ROHS3	1

Engineering Selection Recommendations

CR1206-FX-4222ELF (Bourns Inc.): Direct substitute with Active product status. Identical electrical and environmental specifications. Suitable for new designs and production applications.

RC1206FR-0742K2L (YAGEO): Direct substitute with Active product status. Identical electrical and environmental specifications. Suitable for new designs and production applications.

CRCW120642K2FKEA (Vishay Dale): Direct substitute with Active product status. Includes AEC-Q200 automotive qualification, providing enhanced reliability for automotive and industrial applications. Identical electrical specifications with lowest seated height (0.60mm).

ERJ-8ENF4222V (Panasonic Electronic Components): Functionally equivalent but classified as Not For New Designs. Includes AEC-Q200 automotive qualification. Suitable only for legacy system maintenance or replacement applications where existing inventory must be maintained.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical operating temperature range. Selection should be based on product availability, supply chain requirements, and application-specific certifications.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-4222ELF replace RC3216F4222CS in new designs?

A: Yes. CR1206-FX-4222ELF is an Active product with identical electrical specifications (42.2 kΩ ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and 1206 package. All compliance ratings (ROHS3, MSL 1) match the original component.

Q: What is the difference between direct and similar substitutes?

A: Direct substitutes (CR1206-FX-4222ELF, RC1206FR-0742K2L) are functionally identical with no additional features. Similar substitutes (CRCW120642K2FKEA, ERJ-8ENF4222V) include automotive AEC-Q200 qualification, providing enhanced reliability specifications for specific application requirements.

Q: Are there any dimensional compatibility concerns?

A: All substitute parts use the 1206 (3216 Metric) package with identical length (0.126" / 3.20mm) and width (0.063" / 1.60mm). Seated height varies from 0.60mm to 0.75mm, which remains within standard PCB assembly tolerances and does not affect footprint compatibility.

Q: Is ERJ-8ENF4222V suitable for new product development?

A: No. ERJ-8ENF4222V is classified as Not For New Designs. This designation indicates the manufacturer recommends against using this part in new applications. Use only for legacy system maintenance or replacement where existing designs already incorporate this component.

Q: Do all substitutes maintain the same moisture resistance rating?

A: Yes. All substitute parts are thick film, moisture-resistant components with MSL 1 (Unlimited) rating, identical to the original RC3216F4222CS specification.

Q: Which substitute offers the best automotive reliability?

A: Both CRCW120642K2FKEA and ERJ-8ENF4222V include AEC-Q200 automotive qualification. CRCW120642K2FKEA is recommended for new automotive designs due to Active product status. ERJ-8ENF4222V is suitable only for legacy automotive applications.

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