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Gowanda’s SMRF1512S-331KS is a shielded epoxy-coated chip inductor designed for high reliability in demanding applications. This COTS M83446/11 component weighs 0.12 grams and measures 3.94 × 3.175 × 3.56 mm, making it suitable for surface mount technology (SMT). It features an inductance of 3.3 µH, a DCR of 0.46 Ω, and a current rating of 0.33 A DC. With a self-resonant frequency (SRF) of 80 MHz and a test frequency of 7.9 MHz, it maintains a minimum Q factor of 100. The inductor is built with a ferrite core and is shielded to minimize electromagnetic interference. It operates within a temperature range of -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. The component is available with Pb and RoHS-compliant terminations, finished with Sn63Pb37 or SnCu, and is packaged in tape and reel (T&R) for efficient handling.
| Weight | 0.12 g |
|---|---|
| Dimensions | 3.94 × 3.175 × 3.56 mm |
| Series | SMRF1512S |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.3 |
| DCR (Ω) | 0.46 |
| Current Rating (A DC) | 0.33 |
| SRF (MHz) | 80 |
| Test Freq (MHz) | 7.9 |
| Q MIN | 100 |
| DWV | 200, 500 |
| Tolerance | ±10% |
| Termination Type | Pb, RoHS |
| Termination Finish | Sn63Pb37, SnCu |
| Core | Ferrite |
| Shielded | Yes |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
Shielded Epoxy-Coated Chip Inductor , COTS M83446/11
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