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Gowanda’s SMRF1812-683M is a molded unshielded inductor designed for high reliability in demanding applications. This component is part of the SMRF1812 series and is compliant with COTS M83446/39 standards, ensuring suitability for commercial off-the-shelf applications. It features a compact size with dimensions of 4.064 × 3 × 2.9 mm and a weight of 0.15 g, making it ideal for space-constrained environments. The inductor offers an inductance of 680 µH, a DCR of 30 Ω, and a current rating of 0.082 A DC. It operates effectively within a frequency range, with an SRF of 3 MHz and a test frequency of 0.79 MHz, while maintaining a Q factor of at least 30. The component is built with a ferrite core and has a Pb termination type with a Sn63Pb37 finish. It is designed to withstand operating temperatures from -55°C to +125°C and is rated MSL 1 for moisture sensitivity. Additionally, it is fungal inert and comes in tape and reel packaging for ease of use in automated assembly processes.
| Weight | 0.15 g |
|---|---|
| Dimensions | 4.064 × 3 × 2.9 mm |
| Series | SMRF1812 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 680 |
| DCR (Ω) | 30 |
| Current Rating (A DC) | 0.082 |
| SRF (MHz) | 3 |
| Test Freq (MHz) | 0.79 |
| Q MIN | 30 |
| Tolerance | ±20% |
| 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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