RCS2012F3012CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F3012CS is a 30.1 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation with anti-sulfur and moisture-resistant properties. The part is Active in product status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to support component procurement flexibility and supply chain continuity.

Substiute Parts

RCS2012F3012CS

Samsung Electro-MechanicsIn Stock: 813RCS2012F3012CS Datasheet

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AC0805FR-0730K1L

YAGEOIn Stock: 10785AC0805FR-0730K1L Datasheet

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CRCW080530K1FKEA

Vishay DaleIn Stock: 65896CRCW080530K1FKEA Datasheet

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CRCW080530K1FKEAHP

Vishay DaleIn Stock: 2435CRCW080530K1FKEAHP Datasheet

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CRCW080530K1FKTA

Vishay DaleIn Stock: 15777CRCW080530K1FKTA Datasheet

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ERJ-6ENF3012V

Panasonic Electronic ComponentsIn Stock: 241043ERJ-6ENF3012V Datasheet

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RC0805FR-0730K1L

YAGEOIn Stock: 106953RC0805FR-0730K1L Datasheet

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RCS080530K1FKEA

Vishay DaleIn Stock: 6007RCS080530K1FKEA Datasheet

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RMCF0805FT30K1

Stackpole Electronics IncIn Stock: 93408RMCF0805FT30K1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F3012CS are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Core Matching Parameters:

• Resistance value: 30.1 kOhms
• Tolerance: ±1%
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• Number of Terminations: 2

Power Rating Consideration: Substitute parts are divided into two categories based on power rating:

• Direct Equivalents (0.125W / 1/8W): Parts with identical power rating to the main part
• Higher Power Rating Alternatives (0.5W / 1/2W): Parts with increased power dissipation capability, suitable for applications requiring additional thermal margin

Compliance and Certification: Substitute parts are further differentiated by RoHS status, REACH compliance, and automotive qualification (AEC-Q200). Parts maintaining ROHS3 compliance are preferred for unrestricted use in regulated applications.

Parameter Comparison

Engineering Selection Recommendations

Category 1: Direct Electrical and Mechanical Equivalents (0.125W / 1/8W)

The following parts provide direct substitution with identical electrical specifications and power rating:

• AC0805FR-0730K1L (YAGEO): ROHS3 compliant with AEC-Q200 automotive qualification. Suitable for automotive and industrial applications requiring compliance certification.

• CRCW080530K1FKEA (Vishay Dale): ROHS3 compliant with AEC-Q200 automotive qualification. Lowest seated height (0.50mm) among direct equivalents, beneficial for space-constrained PCB layouts.

• ERJ-6ENF3012V (Panasonic Electronic Components): ROHS3 compliant with AEC-Q200 automotive qualification. Highest inventory availability (240,940 pcs) among all substitutes, supporting supply chain reliability.

• RC0805FR-0730K1L (YAGEO): ROHS3 compliant. Available in Cut Tape & Digi-Reel packaging format as alternative to Tape & Reel. Suitable for applications not requiring automotive qualification.

• RMCF0805FT30K1 (Stackpole Electronics Inc): ROHS3 compliant with AEC-Q200 automotive qualification. Moderate inventory availability (93,381 pcs).

Category 2: Higher Power Rating Alternatives (0.5W / 1/2W)

The following parts provide increased power dissipation capability while maintaining all other electrical specifications:

• CRCW080530K1FKEAHP (Vishay Dale): ROHS3 compliant with AEC-Q200 automotive qualification and pulse withstanding capability. Suitable for applications requiring thermal margin or pulse current handling.

• RCS080530K1FKEA (Vishay Dale): ROHS3 compliant with AEC-Q200 automotive qualification and pulse withstanding capability. Suitable for applications requiring thermal margin or pulse current handling.

Non-Compliant Alternative:

• CRCW080530K1FKTA (Vishay Dale): RoHS non-compliant and REACH affected. Use only in applications where regulatory compliance is not required.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.5W (1/2W) rated resistor as a substitute for the 0.125W (1/8W) RCS2012F3012CS?

A: Yes. A higher power rating resistor can be used in place of a lower power rating resistor when all other electrical parameters (resistance, tolerance, temperature coefficient, operating temperature range) are identical. The 0.5W alternatives provide additional thermal margin and are mechanically compatible with the same 0805 package footprint.

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

A: Tape & Reel packaging is supplied on continuous carrier tape wound on reels, suitable for high-volume automated assembly. Cut Tape & Digi-Reel packaging is supplied in shorter tape segments or alternative reel formats, suitable for lower-volume applications or mixed-component orders. Both formats contain identical components; packaging format selection depends on assembly process requirements.

Q: Are all substitute parts AEC-Q200 qualified?

A: No. The main part RCS2012F3012CS and RC0805FR-0730K1L are not AEC-Q200 qualified. All other substitutes listed carry AEC-Q200 automotive qualification. Select AEC-Q200 qualified parts for automotive applications or applications requiring automotive-grade reliability standards.

Q: What does ROHS3 compliance mean?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials including lead, cadmium, mercury, and certain flame retardants. ROHS3 compliant parts are required for sale in European Union markets and many regulated industries. One substitute (CRCW080530K1FKTA) is RoHS non-compliant and should not be used in regulated applications.

Q: Can I substitute parts with different seated heights?

A: Yes. All substitute parts maintain the same 0805 (2012 Metric) package dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Seated height variations (0.50mm to 0.70mm) are within normal manufacturing tolerances for this package class and do not affect PCB assembly compatibility or electrical performance.

Q: Which substitute offers the best supply chain availability?

A: ERJ-6ENF3012V (Panasonic Electronic Components) offers the highest inventory availability at 240,940 pcs, followed by RC0805FR-0730K1L (YAGEO) at 106,911 pcs and RMCF0805FT30K1 (Stackpole Electronics Inc) at 93,381 pcs. These parts support consistent procurement and reduced lead times.

Q: Are all substitutes suitable for the full -55°C to 155°C operating temperature range?

A: Yes. All substitute parts listed are rated for the identical -55°C to 155°C operating temperature range with ±100ppm/°C temperature coefficient, ensuring thermal performance equivalence across the full specified operating envelope.