Gowanda’s SMRF1812-472K is a high-quality molded unshielded inductor designed for demanding applications, featuring a compact size of 4.064 × 3 × 2.9 mm and a weight of 0.15 g. This COTS M83446/39 series inductor is suitable for surface mount technology (SMT) and offers an inductance of 47 µH with a DCR of 5 Ω and a current rating of 0.2 A DC. It operates effectively within a frequency range, with a self-resonant frequency (SRF) of 10 MHz and a test frequency of 2.5 MHz, ensuring reliable performance with a minimum Q factor of 50. The inductor is built with a ferrite core and features a Pb termination type with a Sn63Pb37 finish, capable of withstanding operating temperatures from -55°C to +125°C. It is packaged in tape and reel (T&R) format, is fungal inert, and has a moisture sensitivity level (MSL) of 1, making it ideal for COTS+ application grades.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 47 |
| DCR (Ω) | 5 |
| Current Rating (A DC) | 0.2 |
| SRF (MHz) | 10 |
| Test Freq (MHz) | 2.5 |
| Q MIN | 50 |
| Tolerance | ±10% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Ferrite |
| 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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