Equivalent & Substitute Parts for RCS2012F183CS

Part Overview

The RCS2012F183CS is an 18 kOhms ±1% 0.125W (1/8W) chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package. This thick film resistor features anti-sulfur and moisture-resistant properties, with an operating temperature range of -55°C to 155°C. The part is Active in product status and ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package type, dimensions, termination count) while maintaining equivalent performance characteristics across the specified operating environment.

Substiute Parts

RCS2012F183CS

Samsung Electro-MechanicsIn Stock: 681RCS2012F183CS Datasheet

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AC0805FR-0718KL

YAGEOIn Stock: 7911AC0805FR-0718KL Datasheet

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CRCW080518K0FKEA

Vishay DaleIn Stock: 37942CRCW080518K0FKEA Datasheet

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CRCW080518K0FKEAHP

Vishay DaleIn Stock: 14831CRCW080518K0FKEAHP Datasheet

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ERJ-6ENF1802V

Panasonic Electronic ComponentsIn Stock: 142467ERJ-6ENF1802V Datasheet

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ERJ-UP6F1802V

Panasonic Electronic ComponentsIn Stock: 5692ERJ-UP6F1802V Datasheet

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RC0805FR-0718KL

YAGEOIn Stock: 156516RC0805FR-0718KL Datasheet

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RCS080518K0FKEA

Vishay DaleIn Stock: 5901RCS080518K0FKEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F183CS are grouped into two categories based on power rating compatibility:

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

Parts in this category maintain identical power ratings, resistance values, tolerance, package dimensions, and operating temperature specifications. These parts are fully interchangeable in applications where the 0.125W power dissipation requirement is specified. Substitutes in this group include AC0805FR-0718KL (YAGEO), ERJ-6ENF1802V (Panasonic), and RC0805FR-0718KL (YAGEO).

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

Parts in this category share identical resistance, tolerance, package type, and operating temperature range but feature increased power ratings of 0.5W (1/2W). These parts are suitable for applications where higher power dissipation capability is required or beneficial. Substitutes in this group include CRCW080518K0FKEAHP (Vishay Dale), ERJ-UP6F1802V (Panasonic), and RCS080518K0FKEA (Vishay Dale).

Key Parameters Determining Substitution:

• Resistance value: 18 kOhms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature: -55°C ~ 155°C
• Termination count: 2
• Composition: Thick Film

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (0.125W Power Rating):

AC0805FR-0718KL, ERJ-6ENF1802V, RC0805FR-0718KL, and CRCW080518K0FKEA are electrically and mechanically equivalent to RCS2012F183CS. All maintain identical resistance, tolerance, power rating, package dimensions, and operating temperature specifications. All substitute parts are ROHS3 compliant with MSL 1 rating. AC0805FR-0718KL and CRCW080518K0FKEA feature automotive AEC-Q200 certification, providing additional qualification for automotive applications. RC0805FR-0718KL offers the highest inventory availability at 156,482 pieces.

For Higher Power Dissipation Applications (0.5W Power Rating):

CRCW080518K0FKEAHP, ERJ-UP6F1802V, and RCS080518K0FKEA provide increased power handling capability while maintaining all other electrical and mechanical parameters. These parts are suitable for circuit designs requiring greater thermal margin or higher power dissipation. CRCW080518K0FKEAHP and ERJ-UP6F1802V include pulse withstanding capability. ERJ-UP6F1802V and CRCW080518K0FKEAHP carry automotive AEC-Q200 certification.

All substitute parts maintain the -55°C to 155°C operating temperature range and ±100ppm/°C temperature coefficient of the original part.

Frequently Asked Questions (FAQ)

Q: Can AC0805FR-0718KL be used as a direct replacement for RCS2012F183CS?

A: Yes. AC0805FR-0718KL matches all critical electrical parameters (18 kOhms ±1%, 0.125W) and mechanical specifications (0805 package, 2 terminations). Both parts are ROHS3 compliant with MSL 1 rating and operate across -55°C to 155°C. AC0805FR-0718KL includes automotive AEC-Q200 certification.

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

A: Power rating indicates the maximum continuous power dissipation the resistor can handle. The 0.125W (1/8W) parts are suitable for standard signal-level applications. The 0.5W (1/2W) parts provide higher thermal capacity and are used in applications requiring greater power dissipation or thermal margin. Both ratings share identical resistance, tolerance, and package specifications.

Q: Are all substitute parts in the 0805 package identical in physical dimensions?

A: All parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height varies slightly between manufacturers: Samsung 0.66mm, YAGEO 0.60mm, Vishay Dale 0.50mm-0.60mm, and Panasonic 0.70mm. These height variations remain within standard PCB assembly tolerances and do not affect interchangeability.

Q: Which substitute parts have automotive qualification?

A: AC0805FR-0718KL, CRCW080518K0FKEA, CRCW080518K0FKEAHP, ERJ-6ENF1802V, ERJ-UP6F1802V, and RCS080518K0FKEA all carry automotive AEC-Q200 certification. The original RCS2012F183CS does not list AEC-Q200 certification.

Q: Can I use a 0.5W part in place of a 0.125W part?

A: Yes. A higher power-rated resistor is electrically compatible in applications designed for lower power ratings. The 0.5W parts (CRCW080518K0FKEAHP, ERJ-UP6F1802V, RCS080518K0FKEA) maintain identical resistance, tolerance, and operating temperature range. Physical dimensions remain within standard assembly tolerances.

Q: What does MSL 1 (Unlimited) mean?

A: MSL 1 indicates Moisture Sensitivity Level 1, which means unlimited floor life. The component does not require special moisture control during storage or handling, making it suitable for standard manufacturing environments without desiccant packaging requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. All parts listed, including the main part RCS2012F183CS and all substitutes, are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.