RC2012F3012CS Equivalent & Substitute Parts

Part Overview

The RC2012F3012CS is a 30.1 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This surface mount device is rated for 0.125W (1/8W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture resistance and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). This resistor is currently in active production status with 722 units available in inventory. Equivalent and substitute parts are necessary to address supply chain continuity, alternative packaging preferences, automotive-grade requirements, or higher power rating applications while maintaining electrical and mechanical compatibility.

Substiute Parts

RC2012F3012CS

Samsung Electro-MechanicsIn Stock: 827RC2012F3012CS Datasheet

Current PartRFQ

CR0805-FX-3012ELF

Bourns Inc.In Stock: 68197CR0805-FX-3012ELF Datasheet

DirectRFQ

ERJ-6ENF3012V

Panasonic Electronic ComponentsIn Stock: 241043ERJ-6ENF3012V Datasheet

DirectRFQ

KTR10EZPF3012

Rohm SemiconductorIn Stock: 5704KTR10EZPF3012 Datasheet

DirectRFQ

RC0805FR-0730K1L

YAGEOIn Stock: 106953RC0805FR-0730K1L Datasheet

DirectRFQ

RMCF0805FT30K1

Stackpole Electronics IncIn Stock: 93408RMCF0805FT30K1 Datasheet

DirectRFQ

AC0805FR-0730K1L

YAGEOIn Stock: 10785AC0805FR-0730K1L Datasheet

SimilarRFQ

CRCW080530K1FKEA

Vishay DaleIn Stock: 65896CRCW080530K1FKEA Datasheet

SimilarRFQ

CRCW080530K1FKEAHP

Vishay DaleIn Stock: 2435CRCW080530K1FKEAHP Datasheet

SimilarRFQ

CRCW080530K1FKTA

Vishay DaleIn Stock: 15777CRCW080530K1FKTA Datasheet

SimilarRFQ

RCS080530K1FKEA

Vishay DaleIn Stock: 6007RCS080530K1FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F3012CS are classified based on strict electrical and mechanical parameter alignment. All substitute candidates must match the following core parameters: 30.1 kOhms resistance value, ±1% tolerance, 0805 (2012 Metric) package format, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. The primary substitution criterion is the power rating of 0.125W (1/8W), which determines direct equivalency. Parts with identical electrical specifications but different power ratings (0.5W / 1/2W) are classified as similar substitutes suitable for applications requiring higher power dissipation capability. Packaging format variations (Tape & Reel versus Cut Tape & Digi-Reel) do not affect electrical or mechanical compatibility but may influence procurement and assembly workflows. Automotive AEC-Q200 certification and moisture resistance features are secondary differentiators that enhance suitability for specific application environments but do not prevent substitution in non-automotive or general-purpose circuits.

Parameter Comparison

Engineering Selection Recommendations

Direct substitutes for the RC2012F3012CS are parts that maintain identical electrical specifications (30.1 kOhms, ±1%, 0.125W) and mechanical compatibility (0805 package). The following parts qualify as direct equivalents: CR0805-FX-3012ELF (Bourns), RC0805FR-0730K1L (YAGEO), and CRCW080530K1FKEA (Vishay Dale). These parts are ROHS3 compliant and suitable for direct board-level substitution without circuit redesign.

For automotive applications requiring AEC-Q200 certification, the following direct substitutes are available: ERJ-6ENF3012V (Panasonic), KTR10EZPF3012 (Rohm), RMCF0805FT30K1 (Stackpole), AC0805FR-0730K1L (YAGEO), and CRCW080530K1FKEA (Vishay Dale). These parts maintain full electrical and mechanical compatibility while meeting automotive qualification standards.

Similar substitutes with higher power ratings (0.5W / 1/2W) include CRCW080530K1FKEAHP and RCS080530K1FKEA (both Vishay Dale). These parts are suitable for applications requiring increased power dissipation capability while maintaining the same resistance value and tolerance. The 0805 package format remains unchanged, ensuring mechanical compatibility.

CRCW080530K1FKTA (Vishay Dale) is not recommended for new designs due to RoHS non-compliance and REACH affected status, despite matching electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F3012CS with CR0805-FX-3012ELF in my circuit?

A: Yes. CR0805-FX-3012ELF is a direct electrical and mechanical equivalent. Both parts feature 30.1 kOhms resistance, ±1% tolerance, 0.125W power rating, 0805 package format, and identical temperature characteristics. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect circuit performance.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes maintain identical power ratings (0.125W). Similar substitutes with 0.5W (1/2W) power ratings provide higher power dissipation capability but are not interchangeable in circuits designed for 0.125W components. Similar substitutes are suitable only when the application requires increased power handling.

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

A: Yes. Automotive-grade parts such as ERJ-6ENF3012V, KTR10EZPF3012, and RMCF0805FT30K1 meet or exceed the electrical and mechanical specifications of the RC2012F3012CS and are fully compatible with non-automotive circuits. AEC-Q200 certification indicates additional reliability testing and is not a limitation for general-purpose use.

Q: Does the 0805 package dimension remain consistent across all substitute parts?

A: Yes. All substitute parts maintain the 0805 (2012 Metric) package format with dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). Height variations (ranging from 0.020" to 0.028") are within standard PCB assembly tolerances and do not affect board-level compatibility.

Q: Which substitute part has the lowest seated height?

A: CRCW080530K1FKEA, CRCW080530K1FKEAHP, CRCW080530K1FKTA, and RCS080530K1FKEA (all Vishay Dale) feature a maximum seated height of 0.020" (0.50mm), compared to 0.026" (0.65mm) for the RC2012F3012CS. This difference is negligible for standard PCB assembly applications.

Q: Is the RC2012F3012CS moisture resistant?

A: Yes. The RC2012F3012CS features moisture resistance and carries MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. Several substitute parts including CR0805-FX-3012ELF, RC0805FR-0730K1L, and AC0805FR-0730K1L also provide moisture resistance.

Q: Can I use a 0.5W substitute in place of a 0.125W resistor?

A: Yes, from an electrical standpoint. Parts such as CRCW080530K1FKEAHP and RCS080530K1FKEA are rated for 0.5W and will function correctly in circuits designed for 0.125W components. However, the higher power rating may result in unnecessary cost and board space considerations. Use higher-rated parts only when the application requires increased power dissipation.

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

A: All listed parts feature a temperature coefficient of ±100ppm/°C, which defines the resistance change per degree Celsius across the operating temperature range. This specification ensures consistent performance across the -55°C to 155°C operating range and is critical for precision analog circuits and temperature-sensitive applications.

Q: Are all substitute parts ROHS3 compliant?

A: Most substitute parts are ROHS3 compliant. CRCW080530K1FKTA is the exception, marked as RoHS non-compliant with REACH affected status. This part should not be used in applications requiring regulatory compliance with environmental directives.