RC2012F510CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F510CS is a 51 Ohm ±1% 1/8W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC2012F510CS

Samsung Electro-MechanicsIn Stock: 716RC2012F510CS Datasheet

Current PartRFQ

RC0805FR-0751RL

YAGEOIn Stock: 1147880RC0805FR-0751RL Datasheet

DirectRFQ

AC0805FR-0751RL

YAGEOIn Stock: 7250AC0805FR-0751RL Datasheet

UpgradeRFQ

CRCW080551R0FKEA

Vishay DaleIn Stock: 53444CRCW080551R0FKEA Datasheet

SimilarRFQ

CRCW080551R0FKEAHP

Vishay DaleIn Stock: 53472CRCW080551R0FKEAHP Datasheet

SimilarRFQ

ERJ-6ENF51R0V

Panasonic Electronic ComponentsIn Stock: 87101ERJ-6ENF51R0V Datasheet

SimilarRFQ

KTR10EZPF51R0

Rohm SemiconductorIn Stock: 3617KTR10EZPF51R0 Datasheet

SimilarRFQ

RCS080551R0FKEA

Vishay DaleIn Stock: 3087RCS080551R0FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Primary Matching Criteria:

• Resistance value: 51 Ohms
• Tolerance: ±1%
• Package format: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Moisture sensitivity level: 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant

Secondary Consideration:

• Power rating: 0.125W (1/8W) for direct equivalents; higher power ratings (0.5W) classified as upgrades with expanded thermal capability

Substitute parts are grouped into three categories based on functional relationship to the main part:

Direct Equivalent: RC0805FR-0751RL (YAGEO) matches all primary parameters with identical electrical and thermal specifications.

Upgrade Category: AC0805FR-0751RL (YAGEO) and CRCW080551R0FKEAHP (Vishay Dale) provide enhanced automotive AEC-Q200 qualification and/or increased power dissipation (0.5W) while maintaining core electrical parameters.

Similar Category: CRCW080551R0FKEA (Vishay Dale), ERJ-6ENF51R0V (Panasonic), KTR10EZPF51R0 (Rohm Semiconductor), and RCS080551R0FKEA (Vishay Dale) maintain electrical equivalence with variations in packaging format, automotive ratings, or specialized features.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (Electrical and Mechanical Equivalence):

RC0805FR-0751RL from YAGEO serves as the primary direct equivalent to RC2012F510CS. Both components share identical electrical specifications (51Ω ±1%, 0.125W), thermal characteristics (±100ppm/°C, -55°C to 155°C), and package dimensions (0805 format). The seated height differential (0.60mm versus 0.66mm) remains within acceptable PCB assembly tolerances. Both components maintain ROHS3 compliance and MSL Level 1 rating. This part is suitable for one-to-one replacement without circuit redesign.

Automotive-Qualified Alternatives:

AC0805FR-0751RL (YAGEO), CRCW080551R0FKEA (Vishay Dale), ERJ-6ENF51R0V (Panasonic), and KTR10EZPF51R0 (Rohm Semiconductor) provide AEC-Q200 automotive qualification while maintaining electrical equivalence at 0.125W power rating. These components are appropriate for applications requiring automotive-grade reliability documentation. Selection among these alternatives depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and specific supply chain availability.

Enhanced Power Capability (Upgrade Path):

CRCW080551R0FKEAHP (Vishay Dale) and RCS080551R0FKEA (Vishay Dale) offer 0.5W power rating in the same 0805 package format with AEC-Q200 qualification. These components are suitable for applications where thermal margin or pulse withstanding capability requires increased power dissipation. The electrical resistance and tolerance remain identical (51Ω ±1%), ensuring circuit performance equivalence while providing thermal headroom.

Product Status Consideration:

All listed substitute parts maintain Active product status, confirming ongoing manufacturer support and supply availability. ROHS3 compliance is universal across all alternatives, supporting regulatory requirements for electronics manufacturing.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0751RL directly replace RC2012F510CS without PCB modification?

A: Yes. RC0805FR-0751RL is electrically and mechanically equivalent. Both components feature 51Ω ±1% resistance, 0.125W power rating, 0805 package format, and identical thermal characteristics. The 0.06mm seated height difference (0.60mm versus 0.66mm) is within standard PCB assembly tolerances and does not require layout changes.

Q: What is the difference between the 0.125W and 0.5W power-rated substitutes?

A: Power rating indicates maximum continuous power dissipation capability. The 0.125W variants (RC2012F510CS, RC0805FR-0751RL, CRCW080551R0FKEA, ERJ-6ENF51R0V, KTR10EZPF51R0) are suitable for standard signal-level applications. The 0.5W variants (CRCW080551R0FKEAHP, RCS080551R0FKEA) provide increased thermal capacity for higher-power or pulse-withstanding applications. Resistance value and tolerance remain identical across both power ratings.

Q: Are automotive-qualified parts (AEC-Q200) interchangeable with non-automotive versions?

A: Automotive-qualified parts (AC0805FR-0751RL, CRCW080551R0FKEA, ERJ-6ENF51R0V, KTR10EZPF51R0, RCS080551R0FKEA) meet additional reliability and qualification standards beyond standard industrial components. They are functionally interchangeable with non-automotive versions in electrical performance but provide enhanced documentation and traceability for automotive applications. Non-automotive parts cannot substitute for automotive-qualified requirements.

Q: Does packaging format (Tape & Reel versus Cut Tape & Digi-Reel) affect electrical performance?

A: No. Packaging format affects only supply chain logistics and assembly handling. Tape & Reel (TR) and Cut Tape & Digi-Reel packaging contain identical components with no electrical or thermal differences. Selection depends on manufacturing equipment compatibility and inventory management preferences.

Q: What is the significance of the ±100ppm/°C temperature coefficient specification?

A: Temperature coefficient defines resistance value drift across the operating temperature range. All listed parts maintain ±100ppm/°C, ensuring consistent performance from -55°C to 155°C. This specification is critical for precision analog circuits and temperature-sensitive applications. All substitutes maintain identical temperature stability.

Q: Can these 0805 resistors be used in high-frequency applications?

A: The provided specifications do not include frequency response or high-frequency characteristics. Component selection for RF or high-frequency applications requires additional technical data beyond the parameters listed. Consult manufacturer datasheets for frequency-dependent performance information.

Q: What does MSL Level 1 (Unlimited) mean for moisture sensitivity?

A: MSL Level 1 indicates the component has unlimited shelf life without moisture bake-out requirements. All listed parts carry MSL Level 1 rating, eliminating moisture-related handling constraints during storage and assembly. This simplifies supply chain management and reduces manufacturing process complexity.