RC3216J392CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J392CS is a 3.9 kOhms ±5% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with 945 units currently in stock. The RC3216J392CS serves as a standard general-purpose resistor for applications requiring moisture-resistant thick film construction across industrial and commercial temperature ranges.

Equivalent and substitute parts are identified when design requirements permit tolerance upgrades, alternative packaging formats, or manufacturer substitution while maintaining electrical performance and mechanical compatibility within the 1206 package specification.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	3.9 kOhms	Core electrical specification
Tolerance	±5%	Accuracy classification for substitution
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package / Case	1206 (3216 Metric)	Physical form factor
Composition	Thick Film	Construction technology
Temperature Coefficient	±100ppm/°C	Stability specification
Operating Temperature Range	-55°C to 155°C	Environmental limits
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage classification
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitute parts for the RC3216J392CS are categorized based on the following substitution criteria:

Direct Substitutes (Equivalent Tolerance ±5%): Parts maintaining the original ±5% tolerance specification with identical electrical and thermal characteristics. These components are interchangeable without circuit redesign.

Upgrade Substitutes (Improved Tolerance ±1%): Parts offering tighter tolerance (±1%) while maintaining all other electrical parameters. These substitutes provide enhanced accuracy and are electrically compatible with circuits designed for ±5% tolerance. Upgrade substitutes may include additional certifications such as Automotive AEC-Q200 or enhanced feature sets.

Similar Parts (Tolerance Match, Alternative Features): Parts matching the ±5% tolerance with alternative feature sets such as automotive-grade certification or different moisture resistance characteristics.

Substitution logic is based strictly on:

Resistance value: 3.9 kOhms (exact match required)
Power rating: 0.25W minimum (equal or higher acceptable)
Package: 1206 (3216 Metric) form factor (physical compatibility)
Temperature coefficient: ±100ppm/°C (standard specification)
Operating temperature: -55°C to 155°C minimum range
Composition: Thick film technology
Compliance: ROHS3 and REACH requirements

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp Range	MSL	RoHS	Product Status
RC3216J392CS	Samsung Electro-Mechanics	3.9 kΩ	±5%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
RC1206JR-073K9L	YAGEO	3.9 kΩ	±5%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
AC1206FR-073K9L	YAGEO	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
CR1206-FX-3901ELF	Bourns Inc.	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
CRG1206F3K9	TE Connectivity Passive Product	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
ERJ-8ENF3901V	Panasonic Electronic Components	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Not For New Designs
KTR18EZPF3901	Rohm Semiconductor	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
MCR18ERTF3901	Rohm Semiconductor	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Discontinued at DiGi Electronics
RC1206FR-073K9L	YAGEO	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
RMCF1206FT3K90	Stackpole Electronics Inc	3.9 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active
AC1206JR-073K9L	YAGEO	3.9 kΩ	±5%	0.25W	1206	±100ppm/°C	-55 to 155°C	1	ROHS3	Active

Engineering Selection Recommendations

For Direct Replacement (Tolerance ±5%):

RC1206JR-073K9L (YAGEO) is the primary direct substitute for RC3216J392CS. Both components maintain ±5% tolerance, identical power rating, and equivalent moisture resistance. YAGEO RC1206JR-073K9L is Active product status with 93,640 units in inventory, providing supply continuity.

AC1206JR-073K9L (YAGEO) is a similar alternative maintaining ±5% tolerance with added Automotive AEC-Q200 certification. This part is suitable for applications requiring automotive-grade reliability without tolerance upgrade.

For Tolerance Upgrade (±1% Tolerance):

When circuit design permits tighter tolerance specifications, the following Active status parts are available:

RC1206FR-073K9L (YAGEO): Moisture-resistant thick film, 20,104 units in stock
AC1206FR-073K9L (YAGEO): Automotive AEC-Q200 certified, 18,463 units in stock
CR1206-FX-3901ELF (Bourns Inc.): Moisture-resistant thick film, 35,491 units in stock
CRG1206F3K9 (TE Connectivity): Neohm series, 18,486 units in stock
KTR18EZPF3901 (Rohm Semiconductor): Automotive AEC-Q200 with high voltage features, 5,824 units in stock
RMCF1206FT3K90 (Stackpole Electronics Inc): Automotive AEC-Q200 certified, 46,207 units in stock

Parts to Avoid for New Designs:

ERJ-8ENF3901V (Panasonic Electronic Components) carries "Not For New Designs" status and should not be selected for new circuit development.

MCR18ERTF3901 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be used for new designs requiring long-term supply assurance.

Compliance Verification:

All listed substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original RC3216J392CS environmental requirements. All components feature MSL 1 (Unlimited) moisture sensitivity level, permitting standard handling and storage procedures.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-073K9L replace RC3216J392CS directly without circuit modification?

A: Yes. RC1206JR-073K9L maintains identical electrical specifications: 3.9 kOhms ±5% tolerance, 0.25W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both components use thick film construction in 1206 package format. Direct substitution is electrically and mechanically compatible.

Q: What is the advantage of upgrading to ±1% tolerance parts?

A: Upgrade parts such as RC1206FR-073K9L or AC1206FR-073K9L provide tighter tolerance (±1% versus ±5%), improving circuit accuracy and performance in applications sensitive to resistor value variation. These upgrades are electrically backward-compatible with circuits designed for ±5% tolerance. No circuit redesign is required.

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

A: Yes. Automotive AEC-Q200 certified parts such as AC1206FR-073K9L, KTR18EZPF3901, and RMCF1206FT3K90 meet enhanced reliability and qualification standards. These parts are suitable for any application and provide additional quality assurance. Automotive certification does not restrict use to automotive applications.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging supplies components in individual strips suitable for small-quantity applications and manual assembly. Tape & Reel packaging provides components on continuous reels for automated pick-and-place assembly. Both packaging formats contain identical components; selection depends on assembly process requirements. RC3216J392CS is supplied in Cut Tape format; most substitutes are available in Tape & Reel format.

Q: Can I use parts with different physical dimensions if they are in 1206 package?

A: The 1206 package specification defines the nominal form factor (3.20mm × 1.60mm length × width). Minor dimensional variations exist between manufacturers (for example, CR1206-FX-3901ELF height is 0.030" versus 0.026" for other parts). These variations remain within 1206 package tolerance and do not affect PCB footprint compatibility or electrical performance. Verify specific height requirements only if component clearance is constrained.

Q: Why is ERJ-8ENF3901V marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and support for this product line. While existing inventory may be available, long-term supply assurance is not guaranteed. New circuit designs should select Active status alternatives such as RC1206FR-073K9L or RMCF1206FT3K90 to ensure sustained component availability.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, matching the original RC3216J392CS environmental requirements. This compliance applies to all Active and discontinued parts in the substitution list.

Q: What is MSL 1 (Unlimited) moisture sensitivity level?

A: MSL 1 (Unlimited) indicates the component requires no special moisture control during storage and handling. These components can be stored at standard ambient conditions without desiccant packaging or controlled humidity environments. All listed parts maintain MSL 1 classification.

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