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Gowanda’s SMRF1512-393KS is an unshielded epoxy-coated chip inductor designed for high reliability in demanding applications. As part of the COTS M83446/10 series, this component features a compact size with dimensions of 3.94 × 3.175 × 3.56 mm and a weight of just 0.12 g. It is suitable for surface mount technology (SMT) and offers an inductance of 390 µH with a direct current resistance (DCR) of 32 Ω. The inductor supports a current rating of 0.039 A DC and a self-resonant frequency (SRF) of 2.9 MHz, tested at a frequency of 0.79 MHz with a minimum Q factor of 40. It has a tolerance of ±10% and features Pb, RoHS-compliant terminations with Sn63Pb37 and SnCu finishes. Built with a powdered iron core, it operates effectively in temperatures ranging from -55°C to +125°C and is rated at moisture sensitivity level (MSL) 1, making it ideal for various commercial off-the-shelf (COTS+) applications. The product is available in tape and reel (T&R) packaging for efficient handling and assembly.
| Weight | 0.12 g |
|---|---|
| Dimensions | 3.94 × 3.175 × 3.56 mm |
| Series | SMRF1512 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 390 |
| DCR (Ω) | 32 |
| Current Rating (A DC) | 0.039 |
| SRF (MHz) | 2.9 |
| Test Freq (MHz) | 0.79 |
| Q MIN | 40 |
| Tolerance | ±10% |
| Termination Type | Pb, RoHS |
| Termination Finish | Sn63Pb37, SnCu |
| Core | Powdered Iron |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
Unshielded Epoxy-Coated Chip Inductor , COTS M83446/10
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