RC2012F392CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F392CS is a 3.9 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with 806 pieces currently in stock. The RC2012F392CS features moisture-resistant construction, making it suitable for general-purpose applications requiring stable resistance values across extended temperature ranges. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature options such as automotive qualification or enhanced packaging formats.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	3.9 kOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.125W (1/8W)	Thermal dissipation capacity
Package / Case	0805 (2012 Metric)	Physical footprint and mounting
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability over temperature
Operating Temperature Range	-55°C to 155°C	Environmental limits
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Handling and storage requirements
RoHS Status	ROHS3 Compliant	Environmental compliance
Number of Terminations	2	Connection points

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F392CS is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria (Must Match Exactly):

Resistance Value: 3.9 kOhms
Tolerance: ±1%
Power Rating: 0.125W (1/8W)
Package / Case: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C to 155°C
Number of Terminations: 2
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Substitute Classification:

Direct Substitutes (Identical electrical and mechanical specifications):

CR0805-FX-3901ELF (Bourns Inc.)
CRG0805F3K9 (TE Connectivity Passive Product)
ERJ-6ENF3901V (Panasonic Electronic Components)
KTR10EZPF3901 (Rohm Semiconductor)
RC0805FR-073K9L (YAGEO)
RMCF0805FT3K90 (Stackpole Electronics Inc)

Similar Substitutes (Meet core electrical specifications with additional features or compliance certifications):

AC0805FR-073K9L (YAGEO) – Includes AEC-Q200 automotive qualification
CRCW08053K90FKEA (Vishay Dale) – Includes AEC-Q200 automotive qualification
CRCW08053K90FKTA (Vishay Dale) – Includes AEC-Q200 automotive qualification

Non-Equivalent Part (Different power rating):

CRCW08053K90FKEAHP (Vishay Dale) – 0.5W power rating; not interchangeable for 0.125W applications

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Height Max (mm)	Features	RoHS	MSL
RC2012F392CS	Samsung Electro-Mechanics	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Moisture Resistant	ROHS3	1
CR0805-FX-3901ELF	Bourns Inc.	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
CRG0805F3K9	TE Connectivity Passive Product	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	None specified	ROHS3	1
ERJ-6ENF3901V	Panasonic Electronic Components	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	Automotive AEC-Q200	ROHS3	1
KTR10EZPF3901	Rohm Semiconductor	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3	1
RC0805FR-073K9L	YAGEO	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
RMCF0805FT3K90	Stackpole Electronics Inc	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200	ROHS3	1
AC0805FR-073K9L	YAGEO	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW08053K90FKEA	Vishay Dale	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	ROHS3	1
CRCW08053K90FKTA	Vishay Dale	3.9 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	RoHS non-compliant	1

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive):

The RC2012F392CS, CR0805-FX-3901ELF, CRG0805F3K9, RC0805FR-073K9L, and CRCW08053K90FKEA are suitable direct substitutes. All maintain identical electrical specifications, ROHS3 compliance, and MSL 1 rating. Selection among these options may be based on packaging format preference (Tape & Reel vs. Cut Tape) and component availability.

For Automotive Applications (AEC-Q200 Required):

ERJ-6ENF3901V, KTR10EZPF3901, RMCF0805FT3K90, AC0805FR-073K9L, and CRCW08053K90FKEA are qualified to AEC-Q200 standard. These parts are suitable for automotive circuit designs requiring supplier qualification documentation. KTR10EZPF3901 includes high-voltage capability as an additional feature.

Compliance Considerations:

CRCW08053K90FKTA is RoHS non-compliant and REACH-affected; this part is not recommended for new designs or applications requiring environmental compliance certification.

Physical Footprint Considerations:

All substitute parts maintain the 0805 (2012 Metric) package footprint. Height variations range from 0.50mm to 0.70mm maximum seated height. For applications with strict height constraints, CRCW08053K90FKEA and CRCW08053K90FKTA offer the lowest profile at 0.50mm.

Power Rating Verification:

CRCW08053K90FKEAHP is rated at 0.5W (1/2W) and is not interchangeable with the 0.125W RC2012F392CS. This part must not be used as a substitute in circuits designed for 0.125W dissipation.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for RC2012F392CS?

A: Direct substitutes are CR0805-FX-3901ELF, CRG0805F3K9, ERJ-6ENF3901V, KTR10EZPF3901, RC0805FR-073K9L, and RMCF0805FT3K90. These parts match all electrical and mechanical specifications. AC0805FR-073K9L and CRCW08053K90FKEA are also compatible but include additional AEC-Q200 automotive qualification. CRCW08053K90FKTA is compatible electrically but is RoHS non-compliant. CRCW08053K90FKEAHP has a different power rating (0.5W) and is not interchangeable.

Q: What is the difference between "Direct Substitutes" and "Similar Substitutes"?

A: Direct substitutes match all core electrical and mechanical parameters of the RC2012F392CS. Similar substitutes meet the same electrical specifications but include additional certifications or features, such as AEC-Q200 automotive qualification. Similar substitutes are compatible but may have different compliance documentation or application-specific ratings.

Q: Are all these parts ROHS3 compliant?

A: All substitute parts except CRCW08053K90FKTA are ROHS3 compliant. CRCW08053K90FKTA is RoHS non-compliant and REACH-affected, making it unsuitable for applications requiring environmental compliance.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts bearing this rating (ERJ-6ENF3901V, KTR10EZPF3901, RMCF0805FT3K90, AC0805FR-073K9L, CRCW08053K90FKEA, and CRCW08053K90FKTA) have undergone additional testing and documentation for automotive applications. These parts are suitable for automotive circuit designs but are also usable in general-purpose applications.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Reel vs. Cut Tape) affects handling, storage, and assembly processes but does not affect electrical performance. RC0805FR-073K9L is supplied in Cut Tape & Digi-Reel format, while most other substitutes are supplied in Tape & Reel format. Selection should be based on assembly equipment compatibility and supply chain requirements.

Q: Can I use CRCW08053K90FKEAHP as a substitute?

A: No. CRCW08053K90FKEAHP is rated at 0.5W (1/2W) power dissipation, whereas the RC2012F392CS is rated at 0.125W (1/8W). Using a higher-power-rated component in a circuit designed for 0.125W will result in oversizing and potential performance issues. This part is not interchangeable.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture-related degradation. All listed parts have MSL 1 rating, meaning they do not require special moisture-control storage conditions and can be stored indefinitely under normal conditions.

Q: Are there any height restrictions I should consider?

A: Component height varies from 0.50mm to 0.70mm maximum seated height. For applications with strict PCB clearance requirements, CRCW08053K90FKEA and CRCW08053K90FKTA offer the lowest profile at 0.50mm. The RC2012F392CS has a maximum height of 0.65mm. Verify height compatibility with your PCB design before selection.

Q: What is the Temperature Coefficient specification?

A: All listed parts have a Temperature Coefficient of ±100ppm/°C, meaning the resistance value changes by a maximum of 100 parts per million for each degree Celsius change in operating temperature. This specification is identical across all substitutes and the main part.

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