RCS2012F514CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F514CS is a 510 kOhms ±1% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant with MSL 1 (Unlimited) rating, suitable for general industrial and consumer applications requiring stable resistive elements across the -55°C to 155°C operating temperature range.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size and form factor), and environmental performance characteristics. Alternative sources provide functionally equivalent solutions for procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

RCS2012F514CS

Samsung Electro-MechanicsIn Stock: 1198RCS2012F514CS Datasheet

Current PartRFQ

AC0805FR-07510KL

YAGEOIn Stock: 25558AC0805FR-07510KL Datasheet

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CRCW0805510KFKEA

Vishay DaleIn Stock: 31583CRCW0805510KFKEA Datasheet

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CRCW0805510KFKEAHP

Vishay DaleIn Stock: 3055CRCW0805510KFKEAHP Datasheet

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ERJ-6ENF5103V

Panasonic Electronic ComponentsIn Stock: 49134ERJ-6ENF5103V Datasheet

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KTR10EZPF5103

Rohm SemiconductorIn Stock: 79763KTR10EZPF5103 Datasheet

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RC0805FR-07510KL

YAGEOIn Stock: 286690RC0805FR-07510KL Datasheet

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RCS0805510KFKEA

Vishay DaleIn Stock: 8133RCS0805510KFKEA Datasheet

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RMCF0805FT510K

Stackpole Electronics IncIn Stock: 15834RMCF0805FT510K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts are grouped into two categories based on power rating compatibility with the RCS2012F514CS:

Category A: Direct Electrical & Mechanical Equivalents (0.125W / 1/8W Rating)

Parts in this category match all critical parameters: 510 kOhms resistance, ±1% tolerance, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. These parts are interchangeable in applications where the 1/8W power specification is required. Substitutes include AC0805FR-07510KL (YAGEO), ERJ-6ENF5103V (Panasonic), KTR10EZPF5103 (Rohm), RC0805FR-07510KL (YAGEO), and RMCF0805FT510K (Stackpole).

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

Parts CRCW0805510KFKEAHP (Vishay Dale) and RCS0805510KFKEA (Vishay Dale) maintain identical resistance, tolerance, package, and temperature specifications but feature 0.5W power rating. These are suitable for applications requiring higher power dissipation capability while maintaining the same footprint and electrical characteristics.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and 2-termination configuration. Packaging format varies between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® options.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (0.125W Applications):

AC0805FR-07510KL, ERJ-6ENF5103V, KTR10EZPF5103, RC0805FR-07510KL, and RMCF0805FT510K are functionally equivalent to RCS2012F514CS. All maintain identical electrical specifications and operating temperature range. Selection among these options depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel®) and feature requirements. AC0805FR-07510KL, ERJ-6ENF5103V, KTR10EZPF5103, and RMCF0805FT510K include Automotive AEC-Q200 certification, suitable for automotive-grade applications. KTR10EZPF5103 additionally features high-voltage capability. RC0805FR-07510KL is available in highest inventory quantity (286,582 pcs) with Cut Tape & Digi-Reel® packaging option.

For Higher Power Dissipation (0.5W Applications):

CRCW0805510KFKEAHP and RCS0805510KFKEA provide 0.5W power rating while maintaining all other electrical and mechanical parameters. These are appropriate when circuit design requires increased power handling capability. Both include Automotive AEC-Q200 certification and pulse-withstanding features. CRCW0805510KFKEAHP offers higher inventory availability (3,012 pcs) compared to RCS0805510KFKEA (8,068 pcs).

All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can AC0805FR-07510KL be used as a direct replacement for RCS2012F514CS?

A: Yes. AC0805FR-07510KL matches all critical electrical parameters: 510 kOhms resistance, ±1% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both are 0805 package, 2-termination thick film resistors with ROHS3 compliance and MSL 1 rating. The primary difference is AC0805FR-07510KL includes Automotive AEC-Q200 certification and moisture-resistant features.

Q: What is the difference between 0.125W and 0.5W rated parts?

A: Power rating indicates maximum continuous power dissipation capability. 0.125W parts (RCS2012F514CS, AC0805FR-07510KL, ERJ-6ENF5103V, KTR10EZPF5103, RC0805FR-07510KL, RMCF0805FT510K) are suitable for applications with lower power dissipation requirements. 0.5W parts (CRCW0805510KFKEAHP, RCS0805510KFKEA) accommodate higher power dissipation while maintaining identical footprint and resistance value. Selection depends on circuit power requirements, not on physical size.

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

A: No. Packaging type affects only handling, storage, and assembly processes. RC0805FR-07510KL is available in Cut Tape & Digi-Reel® format, while other substitutes use Tape & Reel packaging. Electrical specifications and performance remain identical regardless of packaging format.

Q: Are all substitute parts suitable for automotive applications?

A: Most substitute parts include Automotive AEC-Q200 certification: AC0805FR-07510KL, CRCW0805510KFKEA, CRCW0805510KFKEAHP, ERJ-6ENF5103V, KTR10EZPF5103, RCS0805510KFKEA, and RMCF0805FT510K. The original RCS2012F514CS and RC0805FR-07510KL do not list AEC-Q200 certification. For automotive-grade applications, select from the AEC-Q200 certified options.

Q: What does MSL 1 (Unlimited) rating mean?

A: MSL 1 (Moisture Sensitivity Level 1) with Unlimited designation indicates the component has minimal moisture sensitivity and requires no special moisture control during storage or handling. All listed parts maintain this rating, ensuring compatibility with standard manufacturing environments.

Q: Can KTR10EZPF5103 be used in high-voltage circuits?

A: KTR10EZPF5103 includes high-voltage feature designation. However, specific voltage ratings are not provided in the technical parameters. Selection for high-voltage applications requires verification against circuit voltage requirements and component datasheets.

Q: Which substitute part has the highest inventory availability?

A: RC0805FR-07510KL has the highest inventory quantity at 286,582 pcs. This part is available in Cut Tape & Digi-Reel® packaging format and is suitable for direct replacement in 0.125W applications.