RC2012F511CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F511CS is a 510 Ohm ±1% 0.125W (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 characteristics and operates across the temperature range of -55°C to 155°C. The part is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity level).

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain optimization requires alternative sourcing, or when design specifications permit functional alternatives from qualified manufacturers. All substitute parts listed maintain identical electrical specifications and mechanical compatibility within the defined parameter tolerances.

Substiute Parts

RC2012F511CS

Samsung Electro-MechanicsIn Stock: 1139RC2012F511CS Datasheet

Current PartRFQ

CR0805-FX-5100ELF

Bourns Inc.In Stock: 29042CR0805-FX-5100ELF Datasheet

DirectRFQ

CRG0805F510R

TE Connectivity Passive ProductIn Stock: 87780CRG0805F510R Datasheet

DirectRFQ

ERJ-6ENF5100V

Panasonic Electronic ComponentsIn Stock: 161979ERJ-6ENF5100V Datasheet

DirectRFQ

KTR10EZPF5100

Rohm SemiconductorIn Stock: 14508KTR10EZPF5100 Datasheet

DirectRFQ

RC0805FR-07510RL

YAGEOIn Stock: 20121RC0805FR-07510RL Datasheet

DirectRFQ

RMCF0805FT510R

Stackpole Electronics IncIn Stock: 89742RMCF0805FT510R Datasheet

DirectRFQ

AC0805FR-07510RL

YAGEOIn Stock: 3796AC0805FR-07510RL Datasheet

SimilarRFQ

CRCW0805510RFKEA

Vishay DaleIn Stock: 31991CRCW0805510RFKEA Datasheet

SimilarRFQ

CRCW0805510RFKEAHP

Vishay DaleIn Stock: 68839CRCW0805510RFKEAHP Datasheet

SimilarRFQ

RCS0805510RFKEA

Vishay DaleIn Stock: 43850RCS0805510RFKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC2012F511CS is based on strict electrical and mechanical parameter matching. All substitute parts must satisfy the following criteria:

Primary Substitution Criteria (Mandatory Match):

• Resistance value: 510 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Number of terminations: 2
• RoHS3 compliance
• MSL Level 1

Secondary Compatibility Parameters:

• Supplier device package designation: 0805
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Height seated maximum: 0.020" to 0.026" (0.50mm to 0.65mm) — all variants within acceptable PCB assembly clearance
• ECCN: EAR99
• HTSUS: 8533.21.0030

Substitute parts are categorized as Direct Equivalents when all parameters match identically, and Similar Equivalents when additional features (such as automotive AEC-Q200 certification or higher power ratings) are present. Similar equivalents remain functionally compatible for standard applications but may offer enhanced performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection (Identical Specifications):

The following parts are direct functional equivalents with identical electrical and mechanical specifications:

• CR0805-FX-5100ELF (Bourns Inc.) — Moisture-resistant variant matching all primary parameters
• CRG0805F510R (TE Connectivity Passive Product) — Standard thick film composition with equivalent performance
• RC0805FR-07510RL (YAGEO) — Moisture-resistant variant with identical tolerance and power rating

These parts are suitable for direct substitution in applications where the original RC2012F511CS is specified, with no design modifications required.

Enhanced Specification Selection (Additional Certifications):

The following parts include automotive AEC-Q200 certification while maintaining identical core electrical specifications:

• ERJ-6ENF5100V (Panasonic Electronic Components)
• KTR10EZPF5100 (Rohm Semiconductor) — Includes high voltage capability
• RMCF0805FT510R (Stackpole Electronics Inc)
• AC0805FR-07510RL (YAGEO) — Combines AEC-Q200 with moisture resistance
• CRCW0805510RFKEA (Vishay Dale)

These parts are suitable for applications requiring automotive-grade reliability and can be used as substitutes in standard industrial applications where the additional certification does not create incompatibility.

Higher Power Rating Selection (0.5W / 1/2W):

The following parts feature increased power dissipation capacity (0.5W instead of 0.125W) with automotive AEC-Q200 and pulse withstanding characteristics:

• CRCW0805510RFKEAHP (Vishay Dale)
• RCS0805510RFKEA (Vishay Dale)

These parts are suitable for applications requiring higher thermal headroom or pulse current handling, but should only be selected when the design permits the use of higher power-rated components. Physical dimensions remain within 0805 package specifications.

Compliance Verification:

All listed substitute parts maintain RoHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing processes and environmental regulations. ECCN and HTSUS classifications are identical across all variants.

Frequently Asked Questions (FAQ)

Q1: Can CR0805-FX-5100ELF be used as a direct replacement for RC2012F511CS?

A: Yes. CR0805-FX-5100ELF is a direct equivalent with identical resistance (510 Ω), tolerance (±1%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Both parts feature moisture-resistant thick film composition and RoHS3 compliance. No circuit modifications are required.

Q2: What is the difference between direct equivalents and similar equivalents?

A: Direct equivalents (CR0805-FX-5100ELF, CRG0805F510R, RC0805FR-07510RL) match all electrical and mechanical specifications of the RC2012F511CS without additional features. Similar equivalents (ERJ-6ENF5100V, RMCF0805FT510R, CRCW0805510RFKEA) include automotive AEC-Q200 certification or enhanced capabilities while maintaining identical core specifications. Similar equivalents are functionally compatible but offer additional qualification for automotive applications.

Q3: Can CRCW0805510RFKEAHP (0.5W) replace RC2012F511CS (0.125W)?

A: CRCW0805510RFKEAHP maintains identical resistance, tolerance, package, and temperature specifications but provides higher power dissipation (0.5W vs. 0.125W). This part can be used in applications where the original 0.125W rating is specified, as it represents a higher capability component. However, verify that the PCB layout and thermal design accommodate the slightly different physical height (0.020" vs. 0.026" maximum seated height for the original part). The higher power rating does not create electrical incompatibility.

Q4: Are all substitute parts available in the same packaging format?

A: All substitute parts are available in 0805 (2012 Metric) package format with 2 terminations. Packaging options vary by manufacturer: some are supplied in Tape & Reel (TR) format, while others are available in Cut Tape (CT) & Digi-Reel® format. Verify packaging availability with your supplier based on procurement requirements and assembly equipment compatibility.

Q5: Which substitute part should be selected for automotive applications?

A: For automotive applications, select parts with AEC-Q200 certification: ERJ-6ENF5100V (Panasonic), KTR10EZPF5100 (Rohm), RMCF0805FT510R (Stackpole), AC0805FR-07510RL (YAGEO), or CRCW0805510RFKEA (Vishay Dale). These parts meet automotive reliability standards while maintaining identical electrical specifications. KTR10EZPF5100 includes additional high voltage capability if required by the application.

Q6: What is MSL Level 1 and why is it important?

A: MSL (Moisture Sensitivity Level) Level 1 indicates unlimited shelf life and moisture handling capability. All listed parts, including the RC2012F511CS, carry MSL Level 1 rating, meaning they do not require special moisture control during storage or handling. This simplifies supply chain management and reduces component preparation requirements before assembly.

Q7: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance, ensuring compatibility with modern manufacturing processes and environmental regulations. This compliance is consistent across all manufacturers and variants, including automotive-grade and higher power-rated options.

Q8: What is the temperature coefficient specification and why does it matter?

A: The temperature coefficient of ±100ppm/°C indicates the resistance value change per degree Celsius across the operating temperature range. All listed parts maintain this identical specification, ensuring predictable performance across the -55°C to 155°C operating range. This parameter is critical for precision analog circuits and temperature-sensitive applications.

Q9: Can I mix different manufacturers' parts in the same circuit board?

A: Yes. All substitute parts meet identical electrical and mechanical specifications, allowing mixed sourcing within the same design. However, verify that your procurement and quality assurance processes accommodate multiple manufacturers. Maintaining consistent supplier documentation and traceability may require separate inventory management for different manufacturers.

Q10: What should I verify before finalizing a substitute part selection?

A: Verify the following before substitution: (1) Electrical specifications match exactly (510 Ω, ±1%, 0.125W or higher); (2) Package format is 0805 (2012 Metric); (3) Packaging format (Tape & Reel vs. Cut Tape) is compatible with your assembly equipment; (4) Supplier inventory and lead times meet your procurement schedule; (5) Any additional certifications (AEC-Q200) align with application requirements; (6) RoHS3 and MSL Level 1 compliance are maintained.