Gowanda’s SMRF1812S-332M is a molded shielded inductor designed for high reliability in electronic applications. It features a compact size with dimensions of 4.2 × 3 × 2.9 mm and a weight of 0.15 g, making it suitable for surface mount technology (SMT). This inductor is part of the SMRF1812S series and is classified as COTS+ application grade. It offers an inductance of 33 µH with a direct current resistance (DCR) of 2.21 Ω and a current rating of 0.301 A DC. The saturation current is 0.181 A DC, and it has a self-resonant frequency (SRF) of 12 MHz. The inductor is tested at a frequency of 2.5 MHz and has a minimum quality factor (Q) of 50, with a tolerance of ±20%. It features lead (Pb) termination with a Sn63Pb37 finish and is constructed with a ferrite core, providing shielding. The operating temperature range is from -55°C to +125°C, and it has a moisture sensitivity level (MSL) of 1. 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 | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 33 |
| DCR (Ω) | 2.21 |
| Current Rating (A DC) | 0.301 |
| Saturation Current (A DC) | 0.181 |
| SRF (MHz) | 12 |
| Test Freq (MHz) | 2.5 |
| Q MIN | 50 |
| 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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