RC2012F301CS 300 Ohm 1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012F301CS is a 300 Ohm ±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 moisture-resistant construction and ROHS3 compliance. The part is available in Cut Tape packaging with 1774 pieces in current inventory stock.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, operating temperature range). Alternative sources provide functionally equivalent performance for applications where the original Samsung part is unavailable or where design requirements specify alternative manufacturer qualifications such as automotive AEC-Q200 certification.

Substiute Parts

RC2012F301CS

Samsung Electro-MechanicsIn Stock: 1833RC2012F301CS Datasheet

Current PartRFQ

CR0805-FX-3000ELF

Bourns Inc.In Stock: 28304CR0805-FX-3000ELF Datasheet

DirectRFQ

ERJ-6ENF3000V

Panasonic Electronic ComponentsIn Stock: 130999ERJ-6ENF3000V Datasheet

DirectRFQ

KTR10EZPF3000

Rohm SemiconductorIn Stock: 5949KTR10EZPF3000 Datasheet

DirectRFQ

RC0805FR-07300RL

YAGEOIn Stock: 10140RC0805FR-07300RL Datasheet

DirectRFQ

RMCF0805FT300R

Stackpole Electronics IncIn Stock: 14987RMCF0805FT300R Datasheet

DirectRFQ

AC0805FR-07300RL

YAGEOIn Stock: 29989AC0805FR-07300RL Datasheet

SimilarRFQ

CRCW0805300RFKEA

Vishay DaleIn Stock: 42883CRCW0805300RFKEA Datasheet

SimilarRFQ

CRCW0805300RFKEAHP

Vishay DaleIn Stock: 42652CRCW0805300RFKEAHP Datasheet

SimilarRFQ

ERJ-P06F3000V

Panasonic Electronic ComponentsIn Stock: 11696ERJ-P06F3000V Datasheet

SimilarRFQ

RCS0805300RFKEA

Vishay DaleIn Stock: 6648RCS0805300RFKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical compatibility with the RC2012F301CS:

Direct Substitutes (Equivalent Power Rating - 1/8W)

Direct substitutes maintain identical electrical specifications: 300 Ohms resistance, ±1% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. These parts are mechanically compatible in the same 0805 package with 2 terminations. Direct substitutes include CR0805-FX-3000ELF (Bourns), ERJ-6ENF3000V (Panasonic), KTR10EZPF3000 (Rohm), RC0805FR-07300RL (YAGEO), and RMCF0805FT300R (Stackpole). Differences exist only in packaging format (Tape & Reel versus Cut Tape), seated height tolerances, and optional certifications such as AEC-Q200 automotive qualification.

Similar Substitutes (Higher Power Rating - 1/2W)

Similar substitutes maintain the same resistance, tolerance, temperature coefficient, and operating temperature range but feature increased power rating of 0.5W (1/2W). These parts are mechanically compatible in the same 0805 package. Similar substitutes include CRCW0805300RFKEAHP (Vishay Dale), ERJ-P06F3000V (Panasonic), and RCS0805300RFKEA (Vishay Dale). Higher power rating provides additional thermal margin and pulse withstanding capability for applications requiring enhanced power dissipation performance.

Substitution Criteria:

• Resistance value: 300 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 0805 (2012 Metric) (exact match required)
• Terminations: 2 (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature: -55°C to 155°C (exact match required)
• Power Rating: 0.125W minimum (1/8W or higher acceptable)
• Composition: Thick Film (exact match required)

Parameter Comparison

Engineering Selection Recommendations

For Direct Electrical and Mechanical Equivalence (1/8W Power Rating)

CR0805-FX-3000ELF (Bourns), RC0805FR-07300RL (YAGEO), and RMCF0805FT300R (Stackpole) provide direct substitution with identical 0.125W power rating. All three maintain ROHS3 compliance and MSL 1 rating. Selection between these options depends on packaging availability: CR0805-FX-3000ELF and RMCF0805FT300R are supplied in Tape & Reel format with 14963 and 28204 pieces in stock respectively, while RC0805FR-07300RL is available in Cut Tape & Digi-Reel format with 10100 pieces in stock.

For Automotive Applications (AEC-Q200 Qualified)

ERJ-6ENF3000V (Panasonic), KTR10EZPF3000 (Rohm), RMCF0805FT300R (Stackpole), AC0805FR-07300RL (YAGEO), and CRCW0805300RFKEA (Vishay Dale) carry AEC-Q200 automotive qualification at 0.125W power rating. These parts are suitable for automotive circuit applications requiring industry-standard reliability qualification. KTR10EZPF3000 additionally features high voltage capability. Inventory availability ranges from 5914 pieces (KTR10EZPF3000) to 130967 pieces (ERJ-6ENF3000V).

For Enhanced Power Dissipation (1/2W Power Rating)

CRCW0805300RFKEAHP (Vishay Dale), ERJ-P06F3000V (Panasonic), and RCS0805300RFKEA (Vishay Dale) provide 0.5W power rating with pulse withstanding capability and AEC-Q200 qualification. These parts are suitable for applications requiring higher thermal margin or pulse current handling. Inventory availability: CRCW0805300RFKEAHP (42628 pieces), ERJ-P06F3000V (11660 pieces), RCS0805300RFKEA (6561 pieces).

Compliance and Regulatory Status

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited moisture sensitivity level) classification, matching the regulatory profile of the RC2012F301CS. ECCN classification EAR99 and HTSUS code 8533.21.0030 are consistent across all parts.

Frequently Asked Questions (FAQ)

Q: Can I use a 1/2W rated resistor as a substitute for the 1/8W RC2012F301CS?

A: Yes. The 1/2W rated parts (CRCW0805300RFKEAHP, ERJ-P06F3000V, RCS0805300RFKEA) are electrically and mechanically compatible. Higher power rating provides additional thermal margin and does not degrade circuit performance. The 0805 package dimensions remain identical. Use of higher power rating is acceptable when the application circuit design permits.

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

A: Cut Tape (CT) packaging supplies individual components on carrier tape suitable for manual handling and small-quantity assembly. Tape & Reel (TR) packaging supplies components on continuous reel format optimized for automated pick-and-place assembly equipment. Electrical and mechanical specifications are identical; packaging selection depends on assembly process requirements and production volume.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance status, matching the regulatory requirement of the RC2012F301CS. All parts are also REACH unaffected and carry EAR99 ECCN classification.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts carrying this rating have undergone standardized reliability testing and are approved for use in automotive applications. ERJ-6ENF3000V, KTR10EZPF3000, RMCF0805FT300R, AC0805FR-07300RL, CRCW0805300RFKEA, CRCW0805300RFKEAHP, ERJ-P06F3000V, and RCS0805300RFKEA carry AEC-Q200 qualification.

Q: Does seated height variation affect PCB layout compatibility?

A: Seated height specifications range from 0.020" (0.50mm) to 0.028" (0.70mm) across substitute parts. Standard PCB design accommodates this variation within normal component placement tolerances. Verify specific PCB clearance requirements if height-constrained applications exist. The 0805 package footprint remains identical across all parts.

Q: Can I mix different manufacturers in the same production batch?

A: Yes. All substitute parts meet identical electrical specifications (300 Ohms ±1%, 0.125W or 0.5W, ±100ppm/°C, -55°C to 155°C). Mechanical compatibility in the 0805 package is confirmed. Manufacturing process differences between suppliers do not affect circuit performance when specifications are matched. Verify procurement and traceability requirements for your specific application.

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

A: MSL 1 indicates unlimited shelf life without moisture-related degradation. Components rated MSL 1 do not require special moisture-barrier packaging or baking procedures prior to assembly. All listed parts carry MSL 1 rating, providing maximum handling flexibility.

Q: Which substitute offers the best inventory availability?

A: ERJ-6ENF3000V (Panasonic) offers the highest inventory with 130967 pieces in stock. AC0805FR-07300RL (YAGEO) provides 29937 pieces, and CRCW0805300RFKEA (Vishay Dale) provides 42855 pieces. Inventory levels support high-volume production requirements.