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RMCF0603FG18R2 Equivalent & Substitute Parts
Part Overview
The RMCF0603FG18R2 is an 18.2 Ohm ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Stackpole Electronics Inc. This component is rated for automotive applications under AEC-Q200 standard with an operating temperature range of -55°C to 155°C. The part is currently active in production with 961 pieces in stock. Equivalent and substitute parts are identified when identical electrical specifications, mechanical dimensions, and compliance ratings are maintained across different manufacturers or packaging configurations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 18.2 Ohms |
| Tolerance | ±1% |
| Power Rating | 0.1W (1/10W) |
| Package / Case | 0603 (1608 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (18.2 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99). All identified substitute parts meet these criteria. Variations in physical dimensions within the 0603 package specification, inventory levels, and packaging format (Tape & Reel versus Cut Tape) do not affect functional equivalence. Differences in manufacturer-specific features such as moisture resistance designation are noted but do not preclude substitution when all core electrical and mechanical parameters align.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | AEC-Q200 | RoHS3 | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| RMCF0603FG18R2 | Stackpole Electronics Inc | 18.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 961 |
| RMCF0603FT18R2 | Stackpole Electronics Inc | 18.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 6850 |
| CRCW060318R2FKEA | Vishay Dale | 18.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 16146 |
| ERJ-3EKF18R2V | Panasonic Electronic Components | 18.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 39790 |
| CR0603-FX-18R2ELF | Bourns Inc. | 18.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 18337 |
| RC0603FR-0718R2L | YAGEO | 18.2 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 306975 |
Engineering Selection Recommendations
All substitute parts listed maintain full electrical and mechanical equivalence to the RMCF0603FG18R2. Parts RMCF0603FT18R2, CRCW060318R2FKEA, and ERJ-3EKF18R2V carry AEC-Q200 automotive qualification matching the original specification. Parts CR0603-FX-18R2ELF and RC0603FR-0718R2L do not carry AEC-Q200 rating but are qualified for moisture-resistant applications and maintain all other compliance requirements (ROHS3, REACH Unaffected, EAR99). Selection should be based on application requirements: automotive-qualified designs require AEC-Q200 rated parts; general industrial and consumer applications may utilize any listed substitute. Inventory availability varies significantly, with RC0603FR-0718L offering the highest stock level at 306,975 pieces.
Frequently Asked Questions (FAQ)
Q: Can RMCF0603FT18R2 be used as a direct replacement for RMCF0603FG18R2? A: Yes. Both parts are manufactured by Stackpole Electronics Inc with identical electrical specifications (18.2 Ohms ±1%, 0.1W), package type (0603), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and AEC-Q200 rating. The parts differ only in packaging format designation.
Q: Are the Vishay Dale CRCW060318R2FKEA and Panasonic ERJ-3EKF18R2V suitable for automotive applications? A: Yes. Both parts carry AEC-Q200 automotive qualification with identical electrical and thermal specifications to the original RMCF0603FG18R2.
Q: What is the difference between AEC-Q200 rated and non-AEC-Q200 rated substitutes? A: AEC-Q200 certification indicates automotive-grade qualification with defined reliability and performance standards. Parts CR0603-FX-18R2ELF and RC0603FR-0718R2L do not carry this rating. Use AEC-Q200 parts for automotive applications; non-AEC-Q200 parts are suitable for industrial and consumer applications where automotive qualification is not required.
Q: Do physical dimension variations within the 0603 package affect substitution? A: No. All listed parts conform to 0603 (1608 Metric) package specification. Minor variations in length, width, and height within standard tolerances do not affect PCB layout compatibility or functional performance.
Q: Is the packaging format (Tape & Reel versus Cut Tape) significant for substitution? A: Packaging format affects handling and assembly logistics but does not impact electrical or mechanical equivalence. Both formats are suitable for automated assembly processes.
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