RCS3216F3922CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F3922CS is a 39.2 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with RoHS3 compliance and MSL Level 1 rating.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings align with the main part, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resistance	39.2 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following parameters:

Critical Matching Parameters:

Resistance value: 39.2 kOhms
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
RoHS3 compliance
MSL Level 1

All identified substitute parts meet these electrical and mechanical specifications. Variations in physical dimensions (length, width, height) within standard 1206 package tolerances do not affect substitutability. Differences in feature sets (anti-sulfur vs. moisture-resistant vs. automotive AEC-Q200 qualification) represent additional capabilities and do not prevent substitution.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op. Temp Range	RoHS3	MSL	Product Status
RCS3216F3922CS	Samsung Electro-Mechanics	39.2 kΩ	±1%	0.25	1206	±100	-55 ~ 155°C	Yes	1	Active
CR1206-FX-3922ELF	Bourns Inc.	39.2 kΩ	±1%	0.25	1206	±100	-55 ~ 155°C	Yes	1	Active
CRCW120639K2FKEA	Vishay Dale	39.2 kΩ	±1%	0.25	1206	±100	-55 ~ 155°C	Yes	1	Active
ERJ-8ENF3922V	Panasonic Electronic Components	39.2 kΩ	±1%	0.25	1206	±100	-55 ~ 155°C	Yes	1	Not For New Designs
RC1206FR-0739K2L	YAGEO	39.2 kΩ	±1%	0.25	1206	±100	-55 ~ 155°C	Yes	1	Active
RMCF1206FT39K2	Stackpole Electronics Inc	39.2 kΩ	±1%	0.25	1206	±100	-55 ~ 155°C	Yes	1	Active

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CR1206-FX-3922ELF (Bourns Inc.) and RC1206FR-0739K2L (YAGEO) are recommended as primary alternatives. Both maintain Active product status with full RoHS3 compliance and MSL Level 1 rating. CR1206-FX-3922ELF offers moisture-resistant thick film construction. RC1206FR-0739K2L provides equivalent moisture-resistant specifications with established supply availability.

Automotive-Qualified Alternatives:

CRCW120639K2FKEA (Vishay Dale) and RMCF1206FT39K2 (Stackpole Electronics Inc) are suitable for applications requiring AEC-Q200 automotive qualification. Both parts maintain Active status and identical electrical parameters. Selection between these options depends on supply chain requirements and existing design qualification history.

Legacy Consideration:

ERJ-8ENF3922V (Panasonic Electronic Components) carries "Not For New Designs" status. This part meets all electrical and mechanical specifications but should not be selected for new circuit designs. Existing designs currently using this part may continue operation without modification.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-3922ELF directly replace RCS3216F3922CS in existing designs?

A: Yes. Both parts share identical resistance (39.2 kOhms), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance certifications (RoHS3, MSL Level 1). Physical dimension variations fall within standard 1206 package tolerances and do not affect circuit performance.

Q: What is the difference between moisture-resistant and anti-sulfur features?

A: Both features are environmental protection mechanisms. Anti-sulfur protection (RCS3216F3922CS) guards against sulfur-containing atmospheric contaminants. Moisture-resistant protection (CR1206-FX-3922ELF, RC1206FR-0739K2L) guards against humidity ingress. These represent different environmental stress scenarios and do not affect electrical substitutability.

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

A: Yes. AEC-Q200 qualification represents additional testing and reliability validation beyond standard requirements. Parts meeting AEC-Q200 (CRCW120639K2FKEA, ERJ-8ENF3922V, RMCF1206FT39K2) are fully compatible with non-automotive designs and provide enhanced reliability margins.

Q: Why is ERJ-8ENF3922V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. Existing designs using this part remain functional and do not require immediate replacement. New designs should select from Active status alternatives.

Q: Do physical dimension differences between substitute parts affect PCB layout?

A: No. All parts conform to 1206 (3216 Metric) package specifications. Dimension variations (length 0.122" to 0.126", height 0.024" to 0.030") remain within standard package tolerances and do not require PCB redesign. Standard 1206 footprints accommodate all listed substitutes.

Q: Which substitute part offers the best supply availability?

A: RC1206FR-0739K2L (YAGEO) shows highest inventory (58,728 pcs), followed by ERJ-8ENF3922V (39,745 pcs) and CR1206-FX-3922ELF (22,684 pcs). Supply availability should be verified with current distributors for time-sensitive procurement requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message