Gowanda’s SMRF1812-039M is a high-quality, reliable molded unshielded inductor designed for demanding applications. As part of the COTS M83446/39 series, it features a compact design with dimensions of 4.064 × 3 × 2.9 mm and a weight of 0.15 g. This surface-mount technology (SMT) component is ideal for COTS+ grade applications, offering an inductance of 0.039 µH and a direct current resistance (DCR) of 0.2 Ω. It supports a current rating of 0.87 A DC and a self-resonant frequency (SRF) of 1000 MHz, tested at 50 MHz with a minimum Q factor of 35. The inductor has a tolerance of ±20% and features Pb termination with a Sn63Pb37 finish. Constructed with a phenolic core, it operates efficiently 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 and 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) | 0.039 |
| DCR (Ω) | 0.2 |
| Current Rating (A DC) | 0.87 |
| SRF (MHz) | 1000 |
| Test Freq (MHz) | 50 |
| Q MIN | 35 |
| Tolerance | ±20% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Phenolic |
| 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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