Gowanda’s SMRF1812-220J is a high-quality, reliable molded unshielded inductor designed for demanding applications. As part of the COTS M83446/39 series, it features a compact size 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+ application grades, offering an inductance of 0.22 µH, a DCR of 0.4 Ω, and a current rating of 0.708 A DC. It operates efficiently with a self-resonant frequency (SRF) of 350 MHz and a test frequency of 25 MHz, ensuring a Q MIN of 40 with a tolerance of ±5%. The inductor uses a powdered iron core and features Pb termination with a Sn63Pb37 finish. It is designed to withstand operating temperatures from -55°C to +125°C, has a moisture sensitivity level (MSL) of 1, and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, making it suitable for various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 0.22 |
| DCR (Ω) | 0.4 |
| Current Rating (A DC) | 0.708 |
| SRF (MHz) | 350 |
| Test Freq (MHz) | 25 |
| Q MIN | 40 |
| Tolerance | ±5% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Powdered Iron |
| 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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