Gowanda’s SMRF1812-820G is a high-quality molded unshielded inductor designed for demanding applications, adhering to COTS M83446/39 standards. With a compact size of 4.064 × 3 × 2.9 mm and weighing just 0.15 grams, it is ideal for space-constrained environments. This surface-mount technology (SMT) component features an inductance of 0.82 µH, a direct current resistance (DCR) of 1.6 Ω, and a current rating of 0.354 A DC. It operates efficiently across a wide frequency range, with a self-resonant frequency (SRF) of 140 MHz and a test frequency of 25 MHz, ensuring reliable performance with a minimum Q factor of 40. The inductor is constructed with a powdered iron core and has a termination finish of Sn63Pb37, making it suitable for high-reliability applications. It is designed to withstand extreme temperatures from -55°C to +125°C and is packaged in tape and reel (T&R) format, with a moisture sensitivity level (MSL) of 1, ensuring ease of handling and storage. Additionally, it is fungal inert, enhancing its durability in various environments.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 0.82 |
| DCR (Ω) | 1.6 |
| Current Rating (A DC) | 0.354 |
| SRF (MHz) | 140 |
| Test Freq (MHz) | 25 |
| Q MIN | 40 |
| Tolerance | ±2% |
| 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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