RCS2012F18R7CS Equivalent & Substitute Parts

Part Overview

The RCS2012F18R7CS is a 18.7 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 characteristics. The part is supplied in Tape & Reel packaging and maintains ROHS3 compliance with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or specific application certifications such as automotive AEC-Q200 qualification.

Substiute Parts

RCS2012F18R7CS

Samsung Electro-MechanicsIn Stock: 1123RCS2012F18R7CS Datasheet

Current PartRFQ

ERJ-6ENF18R7V

Panasonic Electronic ComponentsIn Stock: 30433ERJ-6ENF18R7V Datasheet

SimilarRFQ

ESR10EZPF18R7

Rohm SemiconductorIn Stock: 4094ESR10EZPF18R7 Datasheet

SimilarRFQ

RC0805FR-0718R7L

YAGEOIn Stock: 12873RC0805FR-0718R7L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F18R7CS is determined by strict equivalence across the following critical parameters:

Primary Matching Criteria:

• Resistance value: 18.7 Ohms
• Tolerance: ±1%
• Package format: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Termination count: 2
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Secondary Consideration:

• Power rating: Substitutes rated at 0.125W (1/8W) or higher are acceptable

All three identified substitute parts meet the primary matching criteria. The ESR10EZPF18R7 from Rohm Semiconductor provides enhanced power rating (0.4W) with automotive AEC-Q200 qualification and pulse withstanding capability, representing an upgrade path for applications requiring higher power dissipation or automotive-grade reliability.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Pin-Compatible, Identical Electrical Performance):

The ERJ-6ENF18R7V (Panasonic) and RC0805FR-0718R7L (YAGEO) are direct functional equivalents to the RCS2012F18R7CS. Both maintain identical resistance, tolerance, power rating, and thermal characteristics. Selection between these three parts depends on supply availability and manufacturer preference. The ERJ-6ENF18R7V carries AEC-Q200 automotive qualification, making it suitable for automotive applications. The RC0805FR-0718R7L offers the lowest seated height at 0.024" (0.60mm), which may be advantageous in space-constrained PCB layouts.

Enhanced Performance Alternative:

The ESR10EZPF18R7 (Rohm Semiconductor) provides a higher power rating of 0.4W (2/5W) while maintaining all other electrical parameters. This part includes AEC-Q200 automotive qualification and pulse withstanding capability. Selection of this part is appropriate when applications require higher power dissipation margins or automotive-grade reliability specifications. The seated height of 0.026" (0.65mm) is compatible with standard 0805 footprints.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6ENF18R7V replace RCS2012F18R7CS in any application?

A: Yes. The ERJ-6ENF18R7V is electrically and mechanically equivalent. Both parts share identical resistance (18.7 Ohms), tolerance (±1%), power rating (0.125W), package format (0805), and operating temperature range (-55°C to 155°C). The maximum seated height difference is 0.002" (0.04mm), which is negligible for standard PCB assembly. The primary distinction is AEC-Q200 automotive certification on the Panasonic part.

Q: Is ESR10EZPF18R7 a suitable substitute despite higher power rating?

A: Yes. The ESR10EZPF18R7 meets all primary matching criteria and provides enhanced power dissipation capability (0.4W versus 0.125W). In applications where the circuit design requires only 0.125W, the higher rating provides additional safety margin. The part maintains identical resistance, tolerance, package, and thermal characteristics. Selection of this part is appropriate for designs requiring automotive AEC-Q200 qualification or pulse withstanding performance.

Q: Are there height restrictions when substituting these parts?

A: The seated heights range from 0.024" to 0.028" (0.60mm to 0.70mm). Standard 0805 PCB footprints accommodate this variation. If the design has specific height constraints below 0.024" or above 0.028", verify the PCB assembly clearance requirements. The RC0805FR-0718R7L offers the lowest profile at 0.024" (0.60mm).

Q: Do all substitute parts meet RoHS and MSL requirements?

A: Yes. All four parts (RCS2012F18R7CS, ERJ-6ENF18R7V, ESR10EZPF18R7, and RC0805FR-0718R7L) are ROHS3 compliant with MSL 1 (Unlimited) rating. No special moisture handling or storage procedures are required beyond standard component handling practices.

Q: Which substitute offers the best availability?

A: Based on provided inventory data, the ERJ-6ENF18R7V (Panasonic) has the highest stock level at 30,389 pieces. The RC0805FR-0718R7L (YAGEO) has 12,851 pieces in stock. The ESR10EZPF18R7 (Rohm) has 4,024 pieces available. The RCS2012F18R7CS (Samsung) has 1,047 pieces in stock.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. All parts use identical 0805 (2012 Metric) package format with 2 terminations. PCB footprints designed for 0805 resistors accommodate all four parts without modification. The minor height variations do not affect standard reflow soldering or automated assembly processes.