Gowanda’s SMRF1812S-391M is a high-quality molded shielded inductor designed for reliable performance in electronic applications. With a compact weight of 0.15 g and dimensions of 4.2 × 3 × 2.9 mm, this inductor is part of the SMRF1812S series and is suitable for surface mount technology (SMT). It features a COTS+ application grade, offering an inductance of 3.9 µH and a direct current resistance (DCR) of 0.282 Ω. The inductor supports a current rating of 0.841 A DC and a saturation current of 0.638 A DC, with a self-resonant frequency (SRF) of 40 MHz and a test frequency of 7.9 MHz. It has a minimum Q factor of 40 and a tolerance of ±20%. The termination type is Pb with a Sn63Pb37 finish, and it utilizes a ferrite core for shielding. The operating temperature ranges from -55°C to +125°C, with a moisture sensitivity level (MSL) of 1, and it is packaged in tape and reel (T&R) format. Additionally, the inductor is fungal inert, ensuring durability and reliability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 0.282 |
| Current Rating (A DC) | 0.841 |
| Saturation Current (A DC) | 0.638 |
| SRF (MHz) | 40 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 40 |
| Tolerance | ±20% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Ferrite |
| Shielded | Yes |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
| Fungal Inert | Yes |
Molded Shielded Inductor
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