RCS2012F1740CS Equivalent & Substitute Parts

Part Overview

The RCS2012F1740CS is a 174 Ohm ±1% 1/8W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package. This component is actively produced and widely used in general-purpose electronic applications requiring precision resistive elements with anti-sulfur and moisture-resistant properties. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity across multiple manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

RCS2012F1740CS

Samsung Electro-MechanicsIn Stock: 1213RCS2012F1740CS Datasheet

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CRCW0805174RFKEA

Vishay DaleIn Stock: 17520CRCW0805174RFKEA Datasheet

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CRCW0805174RFKEAHP

Vishay DaleIn Stock: 7723CRCW0805174RFKEAHP Datasheet

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ERJ-6ENF1740V

Panasonic Electronic ComponentsIn Stock: 50094ERJ-6ENF1740V Datasheet

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RC0805FR-07174RL

YAGEOIn Stock: 183236RC0805FR-07174RL Datasheet

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RMCF0805FT174R

Stackpole Electronics IncIn Stock: 137590RMCF0805FT174R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F1740CS are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

Electrical Parameters:

• Resistance value: 174 Ohms
• Tolerance: ±1%
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters:

• Package / Case: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Number of terminations: 2
• Composition: Thick Film

Compliance Parameters:

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Unaffected status

All substitute parts listed maintain these core parameters. Power rating variations and feature enhancements (such as automotive AEC-Q200 qualification or pulse withstanding capability) are noted where applicable, as these represent functional upgrades rather than deviations from the base specification.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the RCS2012F1740CS across the specified parameter set. Selection among these alternatives is determined by application-specific requirements and compliance certifications:

Direct Equivalents (0.125W Power Rating): CRCW0805174RFKEA, ERJ-6ENF1740V, RC0805FR-07174RL, and RMCF0805FT174R are electrically and mechanically equivalent to the RCS2012F1740CS. These parts are suitable for applications where the 1/8W power rating is specified. CRCW0805174RFKEA, ERJ-6ENF1740V, and RMCF0805FT174R carry automotive AEC-Q200 qualification, which is applicable for automotive and high-reliability applications. RC0805FR-07174RL provides moisture-resistant construction aligned with the original part's environmental protection features.

Enhanced Power Rating Alternative: CRCW0805174RFKEAHP provides a 0.5W (1/2W) power rating within the same 0805 package footprint. This part is suitable for applications requiring higher power dissipation capability while maintaining the same resistance value and tolerance. Automotive AEC-Q200 qualification and pulse withstanding capability are included.

Compliance Considerations: All substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's regulatory and environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805174RFKEAHP be used as a direct replacement for RCS2012F1740CS?

A: CRCW0805174RFKEAHP is mechanically and electrically compatible with RCS2012F1740CS in terms of resistance value, tolerance, package, and operating temperature range. However, it provides a higher power rating (0.5W versus 0.125W). This part is suitable for applications where the higher power dissipation capability does not create thermal or design constraints. Verify that the increased power rating does not affect circuit performance or thermal management in your specific application.

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

A: Yes, all substitute parts listed are supplied in Tape & Reel (TR) packaging, matching the original RCS2012F1740CS packaging format. This ensures compatibility with standard pick-and-place assembly equipment and procurement workflows.

Q: What is the significance of the AEC-Q200 qualification on some substitute parts?

A: AEC-Q200 is an automotive industry qualification standard for passive components. CRCW0805174RFKEA, ERJ-6ENF1740V, and RMCF0805FT174R carry this certification, indicating suitability for automotive applications and high-reliability environments. The RCS2012F1740CS does not carry this designation. Selection of AEC-Q200 qualified parts is required for automotive applications; for general-purpose applications, this certification is not necessary.

Q: How do the physical height differences among substitute parts affect PCB design?

A: Substitute parts exhibit minor height variations: RCS2012F1740CS (0.66mm), CRCW0805174RFKEA (0.50mm), CRCW0805174RFKEAHP (0.50mm), ERJ-6ENF1740V (0.70mm), RC0805FR-07174RL (0.60mm), and RMCF0805FT174R (0.65mm). These variations are within typical 0805 package tolerances and do not affect standard PCB layout or assembly processes. Height differences are relevant only in applications with strict vertical clearance constraints.

Q: Can substitute parts be mixed within the same assembly?

A: All substitute parts maintain identical electrical specifications (174 Ohms ±1%, ±100ppm/°C, -55°C ~ 155°C operating range) and package footprint (0805). Mixed usage within the same assembly is permissible from an electrical and mechanical standpoint. However, procurement and quality control practices typically favor single-source or limited-source strategies to simplify inventory management and traceability.

Q: What is the difference between the anti-sulfur feature on RCS2012F1740CS and the moisture-resistant feature on RC0805FR-07174RL?

A: Anti-sulfur protection specifically addresses corrosion from sulfur-containing atmospheric contaminants, while moisture-resistant construction provides general environmental protection against humidity and moisture ingress. Both features serve environmental protection purposes. Selection between these alternatives depends on the specific environmental conditions of the application. For general-purpose applications, either feature set is acceptable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory compliance status of the RCS2012F1740CS. This ensures compatibility with current environmental and regulatory requirements for electronic component procurement.