RCS2012F5110CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F5110CS is a 511 Ohm ±1% 1/8W (0.125W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct interchangeability in circuit applications where the original part may be unavailable or require alternative sourcing.

Substiute Parts

RCS2012F5110CS

Samsung Electro-MechanicsIn Stock: 937RCS2012F5110CS Datasheet

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AC0805FR-07511RL

YAGEOIn Stock: 3935AC0805FR-07511RL Datasheet

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CRCW0805511RFKEA

Vishay DaleIn Stock: 34912CRCW0805511RFKEA Datasheet

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CRCW0805511RFKEAHP

Vishay DaleIn Stock: 21465CRCW0805511RFKEAHP Datasheet

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CRCW0805511RFKTA

Vishay DaleIn Stock: 5266CRCW0805511RFKTA Datasheet

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ERJ-6ENF5110V

Panasonic Electronic ComponentsIn Stock: 77977ERJ-6ENF5110V Datasheet

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RC0805FR-07511RL

YAGEOIn Stock: 346601RC0805FR-07511RL Datasheet

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RMCF0805FT511R

Stackpole Electronics IncIn Stock: 72263RMCF0805FT511R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F5110CS are qualified based on the following critical parameters:

Electrical Equivalence: Resistance value of 511 Ohms with ±1% tolerance, power rating of 0.125W (1/8W), and temperature coefficient of ±100ppm/°C.

Mechanical Compatibility: 0805 (2012 Metric) package format with identical footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) and two terminations.

Material & Construction: Thick film composition with operating temperature range of -55°C ~ 155°C.

Environmental Compliance: MSL 1 (Unlimited) moisture sensitivity level, ROHS3 compliance, and REACH unaffected status.

Substitute parts are grouped into two categories: Direct Equivalents (matching all specifications including power rating and compliance) and Functional Alternatives (matching core electrical and mechanical parameters with variations in certifications or power rating).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Preferred for Drop-In Replacement):

AC0805FR-07511RL (YAGEO), CRCW0805511RFKEA (Vishay Dale), ERJ-6ENF5110V (Panasonic), and RMCF0805FT511R (Stackpole) are fully equivalent to RCS2012F5110CS. All match the 511 Ohm ±1% 0.125W specification, 0805 package format, and ROHS3 compliance. These parts carry AEC-Q200 automotive qualification, providing enhanced reliability for applications requiring automotive-grade components. Selection among these options depends on availability and packaging preference (Tape & Reel or Cut Tape).

Functional Alternative (Higher Power Rating):

CRCW0805511RFKEAHP (Vishay Dale) provides 0.5W (1/2W) power rating in the same 0805 package with identical electrical specifications. This part is suitable for applications where higher power dissipation capability is beneficial, though it is not required for circuits designed for 0.125W operation.

Non-Compliant Alternative (Legacy Applications Only):

CRCW0805511RFKTA (Vishay Dale) matches all electrical and mechanical specifications but carries RoHS non-compliant status and REACH affected designation. This part is restricted to applications where RoHS compliance is not mandated.

General-Purpose Alternative (Non-Automotive):

RC0805FR-07511RL (YAGEO) provides equivalent electrical and mechanical specifications without AEC-Q200 automotive qualification. This part is suitable for consumer and industrial applications where automotive certification is not required.

Frequently Asked Questions (FAQ)

Q: Can AC0805FR-07511RL replace RCS2012F5110CS directly?

A: Yes. AC0805FR-07511RL matches all critical parameters: 511 Ohm ±1% resistance, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. Both are ROHS3 compliant with MSL 1 rating. The primary difference is that AC0805FR-07511RL includes AEC-Q200 automotive qualification, which provides additional reliability assurance.

Q: What is the difference between CRCW0805511RFKEA and CRCW0805511RFKEAHP?

A: Both parts are manufactured by Vishay Dale in 0805 package with 511 Ohm ±1% specification. The primary difference is power rating: CRCW0805511RFKEA is rated 0.125W (1/8W), while CRCW0805511RFKEAHP is rated 0.5W (1/2W). The higher power rating in CRCW0805511RFKEAHP provides greater thermal margin but is not necessary for circuits designed for 0.125W operation.

Q: Is RC0805FR-07511RL suitable for automotive applications?

A: RC0805FR-07511RL does not carry AEC-Q200 automotive qualification. For automotive applications, use AC0805FR-07511RL, CRCW0805511RFKEA, ERJ-6ENF5110V, or RMCF0805FT511R, all of which are AEC-Q200 qualified.

Q: Why is CRCW0805511RFKTA listed if it is RoHS non-compliant?

A: CRCW0805511RFKTA is included as a functional alternative for legacy systems or applications where RoHS compliance is not required. For new designs, ROHS3-compliant alternatives are recommended.

Q: Can I use ERJ-6ENF5110V if the PCB layout is tight?

A: ERJ-6ENF5110V has a maximum seated height of 0.70mm, which is higher than CRCW0805511RFKEA (0.50mm) or AC0805FR-07511RL (0.60mm). If PCB clearance is limited, select a substitute with lower maximum height specification.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Most substitute parts are available in Tape & Reel (TR) packaging. RC0805FR-07511RL is available in Cut Tape (CT) & Digi-Reel® format. Verify packaging availability with your supplier before finalizing component selection.

Q: What is the significance of MSL 1 rating?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture-controlled storage or baking procedures before soldering. All listed parts carry MSL 1 rating, ensuring consistent handling requirements.