Gowanda’s SMRF1812-392K is a high-quality, molded unshielded inductor designed for demanding applications. This component, part of the SMRF1812 series, is a COTS M83446/39 grade product, ensuring reliability and performance. It features a compact size with dimensions of 4.064 × 3 × 2.9 mm and a weight of just 0.15 g, making it suitable for space-constrained environments. The inductor offers an inductance of 39 µH, a DCR of 4.5 Ω, and a current rating of 0.211 A DC, with a self-resonant frequency of 11 MHz and a test frequency of 2.5 MHz. It boasts a minimum Q factor of 50 and a tolerance of ±10%. The component is designed for surface mount technology (SMT) and has a termination type of Pb with a Sn63Pb37 finish. Constructed with a ferrite core, it operates effectively in temperatures ranging from -55°C to +125°C and is rated MSL 1 for moisture sensitivity. Packaged in tape and reel (T&R) format, it is also fungal inert, ensuring durability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 39 |
| DCR (Ω) | 4.5 |
| Current Rating (A DC) | 0.211 |
| SRF (MHz) | 11 |
| Test Freq (MHz) | 2.5 |
| Q MIN | 50 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| 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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