RCS2012F683CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F683CS is a 68 kOhms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is supplied in Tape & Reel (TR) packaging with anti-sulfur and moisture-resistant properties. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, operating temperature range) while accounting for packaging format variations and enhanced feature sets available from alternative manufacturers.

Substiute Parts

RCS2012F683CS

Samsung Electro-MechanicsIn Stock: 817RCS2012F683CS Datasheet

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RC2012F683CS

Samsung Electro-MechanicsIn Stock: 1104RC2012F683CS Datasheet

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AC0805FR-0768KL

YAGEOIn Stock: 6637AC0805FR-0768KL Datasheet

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CRCW080568K0FKEA

Vishay DaleIn Stock: 50596CRCW080568K0FKEA Datasheet

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CRCW080568K0FKEAHP

Vishay DaleIn Stock: 15965CRCW080568K0FKEAHP Datasheet

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ERJ-6ENF6802V

Panasonic Electronic ComponentsIn Stock: 127779ERJ-6ENF6802V Datasheet

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ERJ-UP6F6802V

Panasonic Electronic ComponentsIn Stock: 5492ERJ-UP6F6802V Datasheet

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RC0805FR-0768KL

YAGEOIn Stock: 5000372RC0805FR-0768KL Datasheet

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RCS080568K0FKEA

Vishay DaleIn Stock: 7946RCS080568K0FKEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F683CS are classified into two functional groups based on power rating compatibility:

Group 1: Direct Electrical Equivalents (0.125W / 1/8W Rating) These parts maintain identical power specifications and are suitable for direct replacement in applications where the original 0.125W rating is specified. Parts in this group include RC2012F683CS (Samsung Electro-Mechanics, Cut Tape packaging), AC0805FR-0768KL (YAGEO, Tape & Reel with AEC-Q200), ERJ-6ENF6802V (Panasonic, AEC-Q200), and RC0805FR-0768KL (YAGEO, Cut Tape & Digi-Reel).

Group 2: Enhanced Power Rating Substitutes (0.5W / 1/2W Rating) These parts provide higher power dissipation capability (0.5W) while maintaining all other electrical parameters. They are suitable for applications requiring increased thermal margin or pulse withstanding capability. Parts in this group include CRCW080568K0FKEAHP (Vishay Dale, Tape & Reel with pulse withstanding), RCS080568K0FKEA (Vishay Dale, Tape & Reel with pulse withstanding), and ERJ-UP6F6802V (Panasonic, Tape & Reel with anti-sulfur and pulse withstanding).

All substitute parts share the following critical parameters with the main part:

• Resistance value: 68 kOhms
• Tolerance: ±1%
• Package: 0805 (2012 Metric)
• Temperature coefficient: ±100ppm/°C
• Operating temperature: -55°C ~ 155°C
• Termination count: 2
• RoHS3 compliance
• MSL 1 rating

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical 0.125W Power Rating):

When the application circuit is designed specifically for 0.125W dissipation, select from Group 1 equivalents. AC0805FR-0768KL (YAGEO) and ERJ-6ENF6802V (Panasonic) are recommended for applications requiring automotive qualification (AEC-Q200 certification). RC0805FR-0768KL (YAGEO) provides the highest inventory availability (5,000,300 units) for high-volume production. RC2012F683CS (Samsung Electro-Mechanics) offers Cut Tape packaging as an alternative to the original Tape & Reel format.

For Enhanced Thermal Performance (0.5W Power Rating):

When circuit design permits or requires higher power dissipation capability, Group 2 substitutes provide 4x thermal margin. CRCW080568K0FKEAHP (Vishay Dale) and RCS080568K0FKEA (Vishay Dale) deliver pulse withstanding capability with AEC-Q200 compliance. ERJ-UP6F6802V (Panasonic) combines anti-sulfur properties with pulse withstanding and AEC-Q200 rating, matching the environmental protection features of the original RCS2012F683CS.

Packaging Format Considerations:

The original RCS2012F683CS is supplied in Tape & Reel format. Substitute parts maintain this format or offer Cut Tape & Digi-Reel alternatives. Tape & Reel packaging is standard for automated assembly; Cut Tape format is suitable for manual assembly or lower-volume applications.

Compliance and Certification:

All substitute parts maintain RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating. Parts designated with AEC-Q200 certification (AC0805FR-0768KL, CRCW080568K0FKEA, CRCW080568K0FKEAHP, ERJ-6ENF6802V, ERJ-UP6F6802V, RCS080568K0FKEA) are qualified for automotive applications and provide enhanced reliability documentation.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.5W rated resistor in place of the 0.125W RCS2012F683CS?

A: Yes. The 0.5W parts (CRCW080568K0FKEAHP, RCS080568K0FKEA, ERJ-UP6F6802V) are electrically compatible substitutes. They maintain identical resistance, tolerance, and temperature coefficient specifications. The higher power rating provides additional thermal margin and does not negatively impact circuit performance. Physical dimensions remain identical (0805 package), ensuring PCB layout compatibility.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging supplies components on continuous carrier tape wound on reels, optimized for automated pick-and-place assembly. Cut Tape packaging supplies components on cut segments of carrier tape, suitable for manual assembly or lower-volume production. Both formats contain identical components; packaging format selection depends on assembly process requirements.

Q: Are all substitute parts suitable for automotive applications?

A: Parts with AEC-Q200 designation (AC0805FR-0768KL, CRCW080568K0FKEA, CRCW080568K0FKEAHP, ERJ-6ENF6802V, ERJ-UP6F6802V, RCS080568K0FKEA) meet automotive qualification standards. The original RCS2012F683CS and RC2012F683CS do not carry AEC-Q200 certification. For automotive applications, select from the AEC-Q200 qualified alternatives.

Q: What does anti-sulfur protection mean?

A: Anti-sulfur protection refers to resistance to sulfur-containing environmental contaminants that can degrade component performance. The original RCS2012F683CS and substitute ERJ-UP6F6802V include this feature. For applications in sulfur-prone environments, these parts are preferred.

Q: Can I substitute RC0805FR-0768KL for RCS2012F683CS in high-volume production?

A: RC0805FR-0768KL (YAGEO) is electrically and mechanically compatible and maintains identical 0.125W power rating. However, it is supplied in Cut Tape & Digi-Reel format rather than Tape & Reel. Verify that your assembly equipment supports this packaging format. The extremely high inventory availability (5,000,300 units) makes this part suitable for high-volume applications where packaging format compatibility exists.

Q: What is the temperature coefficient specification, and why does it matter?

A: Temperature coefficient (±100ppm/°C) specifies how much the resistance value changes per degree Celsius change in operating temperature. All listed substitute parts maintain this identical specification, ensuring predictable circuit behavior across the -55°C to 155°C operating range. This parameter is critical for precision analog circuits and must not be compromised during substitution.

Q: Are there inventory differences between substitute parts?

A: Yes. RC0805FR-0768KL (YAGEO) has the highest inventory (5,000,300 units), followed by CRCW080568K0FKEA (Vishay Dale, 50,520 units). ERJ-6ENF6802V (Panasonic) has 127,682 units. For supply chain continuity in high-volume production, RC0805FR-0768KL provides the most secure availability, subject to packaging format compatibility verification.