Gowanda’s SMRF1812-182K is a high-quality molded unshielded inductor designed for demanding applications, adhering to COTS M83446/39 standards. Weighing just 0.15 grams, this component features compact dimensions of 4.064 × 3 × 2.9 mm and is suitable for surface mount technology (SMT). It offers an inductance of 18 µH with a direct current resistance (DCR) of 2.8 Ω and a current rating of 0.268 A DC. The inductor operates efficiently across a frequency range, with a self-resonant frequency (SRF) of 15 MHz and a test frequency of 2.5 MHz, ensuring a minimum quality factor (Q MIN) of 50. It is built with a ferrite core and has a tolerance of ±10%, with a termination type of Pb and a finish of Sn63Pb37. The component is designed to withstand extreme temperatures from -55°C to +125°C and is rated at moisture sensitivity level (MSL) 1. Packaged in tape and reel (T&R) format, it is also fungal inert, making it ideal for a variety of industrial and military applications.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 18 |
| DCR (Ω) | 2.8 |
| Current Rating (A DC) | 0.268 |
| SRF (MHz) | 15 |
| 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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