Gowanda’s SMRF1812S-393K is a molded shielded inductor designed for high reliability in electronic applications. With a compact size of 4.2 × 3 × 2.9 mm and a weight of 0.15 g, it is suitable for surface mount technology (SMT) applications. This inductor belongs to the SMRF1812S series and is classified as COTS+ grade, ensuring enhanced performance for commercial off-the-shelf applications. It features an inductance of 390 µH, a direct current resistance (DCR) of 12 Ω, and a current rating of 0.129 A DC, with a saturation current of 0.053 A DC. The self-resonant frequency (SRF) is 3.5 MHz, and it is tested at a frequency of 0.79 MHz with a minimum Q factor of 40. The inductor has a tolerance of ±10% and uses a lead (Pb) termination type with a Sn63Pb37 finish. Constructed with a ferrite core and shielded for improved performance, it operates within a temperature range of -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. Packaged in tape and reel (T&R) format, it is also fungal inert, making it suitable for various demanding environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 390 |
| DCR (Ω) | 12 |
| Current Rating (A DC) | 0.129 |
| Saturation Current (A DC) | 0.053 |
| SRF (MHz) | 3.5 |
| Test Freq (MHz) | 0.79 |
| Q MIN | 40 |
| Tolerance | ±10% |
| 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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