Gowanda’s SMRF1512-182MS is an unshielded epoxy-coated chip inductor designed for high reliability in demanding applications. This component, part of the SMRF1512 series, features a compact size with dimensions of 3.94 × 3.175 × 3.56 mm and a weight of 0.12 g. It is suitable for surface mount technology (SMT) and is classified under COTS+ application grade, ensuring it meets commercial off-the-shelf standards. The inductor offers an inductance of 18 µH, a direct current resistance (DCR) of 3.8 Ω, and a current rating of 0.114 A DC. It operates effectively within a frequency range, with a self-resonant frequency (SRF) of 17 MHz and a test frequency of 2.5 MHz, maintaining a minimum quality factor (Q MIN) of 60. The component is built with a powdered iron core and has a tolerance of ±20%. It features Pb, RoHS-compliant terminations with finishes of Sn63Pb37 and SnCu. The inductor is designed to withstand operating temperatures from -55°C to +125°C, has a moisture sensitivity level (MSL) of 1, and is available in tape and reel (T&R) packaging.
| Weight | 0.12 g |
|---|---|
| Dimensions | 3.94 × 3.175 × 3.56 mm |
| Series | SMRF1512 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 18 |
| DCR (Ω) | 3.8 |
| Current Rating (A DC) | 0.114 |
| SRF (MHz) | 17 |
| Test Freq (MHz) | 2.5 |
| Q MIN | 60 |
| Tolerance | ±20% |
| 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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