RC2012F18R7CS Equivalent & Substitute Parts

Part Overview

The RC2012F18R7CS is an 18.7 Ohm ±1% 0.125W (1/8W) chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 1026 units available in inventory. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative qualified sources meeting identical or superior electrical and mechanical specifications.

Substiute Parts

RC2012F18R7CS

Samsung Electro-MechanicsIn Stock: 1109RC2012F18R7CS Datasheet

Current PartRFQ

RC0805FR-0718R7L

YAGEOIn Stock: 12873RC0805FR-0718R7L Datasheet

DirectRFQ

ERJ-6ENF18R7V

Panasonic Electronic ComponentsIn Stock: 30433ERJ-6ENF18R7V Datasheet

SimilarRFQ

ESR10EZPF18R7

Rohm SemiconductorIn Stock: 4094ESR10EZPF18R7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC2012F18R7CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 18.7 Ohms
• Tolerance: ±1%
• Package / Case: 0805 (2012 Metric)
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Composition: Thick Film
• Number of Terminations: 2
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Power Rating: Equal or greater than 0.125W
• Height - Seated (Max): Variation within 0.026" ± 0.004" acceptable for 0805 package footprint compatibility
• Manufacturer source: Different qualified manufacturers permitted

All identified substitute parts meet or exceed the mandatory parameters. Substitute parts with higher power ratings (0.4W) provide enhanced thermal performance while maintaining full backward compatibility with the original design specifications.

Parameter Comparison

Engineering Selection Recommendations

RC0805FR-0718R7L (YAGEO) is a direct equivalent substitute. This part matches all mandatory electrical and mechanical parameters of the RC2012F18R7CS. Both components share identical resistance, tolerance, power rating, package dimensions, and temperature specifications. YAGEO inventory availability (12,851 units) exceeds Samsung stock levels. This substitute is suitable for applications requiring no design modifications or qualification changes.

ERJ-6ENF18R7V (Panasonic) is a qualified substitute with automotive AEC-Q200 certification. This component meets all mandatory parameters and adds automotive-grade reliability qualification. The ERJ-6ENF18R7V is appropriate for designs requiring enhanced quality assurance or automotive application compatibility. Panasonic inventory (30,389 units) provides superior supply security.

ESR10EZPF18R7 (Rohm Semiconductor) is a qualified substitute with enhanced power rating (0.4W versus 0.125W) and automotive AEC-Q200 certification with pulse withstanding capability. This component exceeds the original power specification while maintaining all other mandatory parameters. The ESR10EZPF18R7 is suitable for applications where thermal margin improvement or pulse stress tolerance is beneficial. Rohm inventory (4,024 units) supports availability requirements.

All substitute parts are ROHS3 compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, and operate across the identical -55°C to 155°C temperature range. Selection among these equivalents depends on supply chain priorities, automotive qualification requirements, and thermal performance needs rather than electrical compatibility constraints.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0718L replace RC2012F18R7CS in existing designs without PCB modification?

A: Yes. Both components share identical 0805 (2012 Metric) package dimensions (0.079" L x 0.049" W), footprint, and termination count (2). Height variation (0.024" versus 0.026" seated maximum) is within standard 0805 package tolerance and does not require PCB layout changes.

Q: What is the difference between the 0.125W and 0.4W power ratings in the substitute parts?

A: The RC2012F18R7CS and RC0805FR-0718R7L are rated at 0.125W (1/8W). The ESR10EZPF18R7 is rated at 0.4W (2/5W). Higher power rating indicates greater thermal dissipation capability. The 0.4W part operates at lower junction temperature under identical current conditions, providing thermal margin. Both ratings are suitable for the same circuit applications; the 0.4W variant offers enhanced reliability in high-ambient-temperature environments.

Q: Are all substitute parts suitable for moisture-sensitive applications?

A: Yes. All listed substitutes carry Moisture Sensitivity Level 1 (Unlimited), identical to the RC2012F18R7CS. This classification indicates no moisture sensitivity restrictions and no special handling or baking requirements prior to soldering.

Q: What does AEC-Q200 certification mean for the Panasonic and Rohm substitutes?

A: AEC-Q200 is an automotive electronics qualification standard. ERJ-6ENF18R7V and ESR10EZPF18R7 meet this automotive-grade reliability specification. These parts are suitable for automotive applications and general industrial use. The original RC2012F18R7CS does not carry AEC-Q200 designation but remains suitable for non-automotive applications.

Q: Can these parts be used interchangeably in high-frequency circuits?

A: All parts share identical temperature coefficient (±100ppm/°C) and thick film composition. Frequency performance is determined by parasitic inductance and capacitance, which are package-dependent. The 0805 package is common across all parts. Interchangeability in high-frequency applications depends on circuit-specific impedance and frequency requirements rather than part selection among these equivalents.

Q: What is the REACH and ECCN status for substitute parts?

A: All substitute parts carry identical REACH Unaffected status and ECCN EAR99 classification, matching the RC2012F18R7CS. No additional export or compliance documentation is required when substituting among these parts.