The SMRF1812T-222K is a high-quality molded unshielded temperature stable inductor from Gowanda, a leader in reliable electronic components. Weighing just 0.15 grams and measuring 4.2 × 3 × 2.9 mm, this inductor is part of the SMRF1812T series and is designed for surface mount technology (SMT) applications. It is suitable for COTS+ grade applications, offering an inductance of 22 µH with a direct current resistance (DCR) of 3.5 Ω and a current rating of 0.225 A DC. The self-resonant frequency (SRF) is 16 MHz, tested at a frequency of 2.5 MHz, with a minimum Q factor of 30 and a tolerance of ±10%. The inductor features a powdered iron core and is not shielded, operating efficiently within a temperature range of -55°C to +125°C. It has a moisture sensitivity level (MSL) of 1 and is packaged in tape and reel (T&R) format. The termination type is lead-based (Pb) with a finish of Sn63Pb37, and it is fungal inert, ensuring reliability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.2 × 3 × 2.9 mm |
| Series | SMRF1812T |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 22 |
| DCR (Ω) | 3.5 |
| Current Rating (A DC) | 0.225 |
| SRF (MHz) | 16 |
| Test Freq (MHz) | 2.5 |
| Q MIN | 30 |
| Tolerance | ±10% |
| 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 Temperature Stable Inductor
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