Equivalent & Substitute Parts for RC2012F390CS

Part Overview

The RC2012F390CS is a 39 Ohm ±1% 1/8W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). The part is moisture resistant and suitable for general industrial applications across the operating temperature range of -55°C to 155°C. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature enhancements such as automotive qualification or increased power ratings.

Substiute Parts

RC2012F390CS

Samsung Electro-MechanicsIn Stock: 801RC2012F390CS Datasheet

Current PartRFQ

RC0805FR-0739RL

YAGEOIn Stock: 3089RC0805FR-0739RL Datasheet

DirectRFQ

CRCW080539R0FKEA

Vishay DaleIn Stock: 20041CRCW080539R0FKEA Datasheet

SimilarRFQ

CRCW080539R0FKEAHP

Vishay DaleIn Stock: 47233CRCW080539R0FKEAHP Datasheet

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ERJ-6ENF39R0V

Panasonic Electronic ComponentsIn Stock: 198043ERJ-6ENF39R0V Datasheet

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ERJ-UP6F39R0V

Panasonic Electronic ComponentsIn Stock: 5912ERJ-UP6F39R0V Datasheet

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RCS080539R0FKEA

Vishay DaleIn Stock: 6115RCS080539R0FKEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F390CS are grouped based on strict electrical and mechanical parameter compatibility. The primary substitution criteria are:

Core Compatibility Parameters:

• Resistance value: 39 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• Composition: Thick Film (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• MSL Level: 1 (Unlimited) (exact match required)

Secondary Variation Parameters (Allowed Differences):

• Power Rating: 0.125W (1/8W) or 0.5W (1/2W) - higher power ratings are acceptable substitutes
• Manufacturer: Different manufacturers permitted
• Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® - format differences do not affect electrical compatibility
• Features: Additional features such as Automotive AEC-Q200, Pulse Withstanding, or Anti-Sulfur are acceptable enhancements
• Height - Seated (Max): Variations within 0.020" to 0.028" are acceptable for 0805 package

Parts that deviate from core compatibility parameters are not listed as substitutes.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Power Rating - 0.125W):

RC0805FR-0739RL (YAGEO) and CRCW080539R0FKEA (Vishay Dale) are direct electrical equivalents to the RC2012F390CS with identical power ratings. Both parts maintain the same 0.125W specification and are suitable for applications where the original Samsung component specifications are required. CRCW080539R0FKEA includes Automotive AEC-Q200 qualification, providing enhanced reliability for automotive applications without power rating changes.

Enhanced Power Rating Substitutes (0.5W):

CRCW080539R0FKEAHP (Vishay Dale), ERJ-UP6F39R0V (Panasonic), and RCS080539R0FKEA (Vishay Dale) provide 0.5W power ratings while maintaining all other core electrical parameters. These parts are suitable for applications requiring higher power dissipation capability. All three include Automotive AEC-Q200 qualification and Pulse Withstanding features. ERJ-UP6F39R0V additionally includes Anti-Sulfur protection.

Automotive-Qualified Equivalent (Same Power Rating - 0.125W):

ERJ-6ENF39R0V (Panasonic) matches the RC2012F390CS electrical specifications with identical 0.125W power rating and includes Automotive AEC-Q200 qualification for applications requiring automotive-grade components.

All listed substitutes maintain RoHS3 compliance, MSL Level 1 rating, and the -55°C to 155°C operating temperature range of the original part.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0805FR-0739RL for RC2012F390CS in my design?

A: Yes. RC0805FR-0739RL is a direct equivalent with identical electrical specifications: 39 Ohms ±1%, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both parts are RoHS3 compliant with MSL Level 1.

Q: What is the difference between the 0.125W and 0.5W substitute options?

A: The 0.125W substitutes (RC0805FR-0739RL, CRCW080539R0FKEA, ERJ-6ENF39R0V) match the original RC2012F390CS power rating exactly. The 0.5W substitutes (CRCW080539R0FKEAHP, ERJ-UP6F39R0V, RCS080539R0FKEA) provide four times the power dissipation capability. Selection depends on circuit power requirements. Higher power-rated parts are acceptable substitutes for applications originally designed for 0.125W.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 qualified parts meet or exceed the electrical and reliability specifications required for non-automotive applications. These parts can be used as direct substitutes in general industrial designs without compatibility issues.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Packaging format differences do not affect electrical performance or compatibility. RC2012F390CS is supplied in Tape & Reel format. RC0805FR-0739RL is available in Cut Tape & Digi-Reel® format. Both formats are electrically equivalent; selection depends on assembly process requirements.

Q: Can I use ERJ-UP6F39R0V with Anti-Sulfur protection in place of the standard RC2012F390CS?

A: Yes. ERJ-UP6F39R0V is a valid substitute with enhanced features (Anti-Sulfur, Pulse Withstanding, 0.5W power rating). The Anti-Sulfur feature provides additional environmental protection and does not create compatibility issues in standard applications. The higher power rating is acceptable for designs originally specified for 0.125W.

Q: What is the maximum seated height difference between substitute parts?

A: Substitute parts have maximum seated heights ranging from 0.020" to 0.028". All values are within acceptable tolerances for 0805 package assembly. Height variations do not affect electrical compatibility or PCB layout for standard 0805 footprints.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant and maintain MSL Level 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the RC2012F390CS.