Gowanda’s SMRF1812-222K is a high-quality molded unshielded inductor designed for demanding applications, featuring a compact size with dimensions of 4.064 × 3 × 2.9 mm and a weight of 0.15 g. This inductor is part of the SMRF1812 series and is suitable for surface mount technology (SMT) applications, specifically catering to COTS+ grade requirements. It offers an inductance of 22 µH with a direct current resistance (DCR) of 3.2 Ω and a current rating of 0.25 A DC. The inductor operates efficiently within a frequency range, with a self-resonant frequency (SRF) of 13 MHz and a test frequency of 2.5 MHz, maintaining a minimum Q factor of 50. It is constructed with a ferrite core and features a lead-based termination type with a Sn63Pb37 finish. The SMRF1812-222K is designed to perform reliably across a wide operating temperature range of -55°C to +125°C, is moisture sensitivity level (MSL) 1 rated, and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, ensuring durability and reliability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 22 |
| DCR (Ω) | 3.2 |
| Current Rating (A DC) | 0.25 |
| SRF (MHz) | 13 |
| 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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