Gowanda’s SMRF1812-391MLF is a high-quality, reliable molded unshielded inductor designed for demanding applications. This component, part of the SMRF1812 series, features a compact size with dimensions of 4.064 × 3 × 2.9 mm and a weight of 0.15 g, making it suitable for surface mount technology (SMT). It is crafted for COTS+ application grade, offering an inductance of 3.9 µH with a DCR of 0.9 Ω and a current rating of 0.472 A DC. The inductor operates efficiently across a frequency range, with a self-resonant frequency (SRF) of 40 MHz and a test frequency of 7.9 MHz, maintaining a Q factor of at least 50. It is built with a ferrite core and is RoHS compliant, featuring Sn100 termination finish. The component is designed to withstand extreme temperatures from -55°C to +125°C and is packaged in tape and reel (T&R) format, ensuring ease of handling and integration. Additionally, it is fungal inert, enhancing its reliability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 0.9 |
| Current Rating (A DC) | 0.472 |
| SRF (MHz) | 40 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 50 |
| Tolerance | ±20% |
| Termination Type | RoHS |
| Termination Finish | Sn100 |
| Core | Ferrite |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Unshielded Inductor, COTS M83446/39
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