Gowanda’s SMRF1812S-183K is a molded shielded inductor designed for high reliability in electronic applications. Weighing 0.15 grams and measuring 4.2 × 3 × 2.9 mm, this component is part of the SMRF1812S series and features surface mount technology (SMT) for ease of integration. It is suitable for COTS+ grade applications, offering an inductance of 180 µH with a direct current resistance (DCR) of 5.1 Ω. The inductor supports a current rating of 0.198 A DC and a saturation current of 0.078 A DC, with a self-resonant frequency (SRF) of 4.5 MHz. It is tested at a frequency of 0.79 MHz and has a minimum Q factor of 40, with a tolerance of ±10%. The component uses a ferrite core and is shielded, ensuring minimal electromagnetic interference. It operates within a temperature range of -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. The termination type is lead-based with a Sn63Pb37 finish, and it is packaged in tape and reel (T&R) format. Additionally, the inductor is fungal inert, enhancing its 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) | 180 |
| DCR (Ω) | 5.1 |
| Current Rating (A DC) | 0.198 |
| Saturation Current (A DC) | 0.078 |
| SRF (MHz) | 4.5 |
| 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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