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Gowanda’s SMRF1512-391MS is an unshielded epoxy-coated chip inductor designed for high reliability in electronic applications. This component is part of the SMRF1512 series and is suitable for surface mount technology (SMT) with a compact size of 3.94 × 3.175 × 3.56 mm and a weight of 0.12 g. It features an inductance of 3.9 µH, a direct current resistance (DCR) of 1.4 Ω, and a current rating of 0.18 A DC. The inductor operates effectively within a frequency range, with a self-resonant frequency (SRF) of 45 MHz and a test frequency of 7.9 MHz, ensuring a minimum quality factor (Q MIN) of 60. It is built with a powdered iron core and is designed to withstand operating temperatures from -55°C to +125°C. The component is compliant with COTS+ application grade standards and offers a termination type that includes Pb, RoHS with finishes of Sn63Pb37 and SnCu. It is packaged in tape and reel (T&R) format and has a moisture sensitivity level (MSL) of 1, making it ideal for various industrial applications.
| Weight | 0.12 g |
|---|---|
| Dimensions | 3.94 × 3.175 × 3.56 mm |
| Series | SMRF1512 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.9 |
| DCR (Ω) | 1.4 |
| Current Rating (A DC) | 0.18 |
| SRF (MHz) | 45 |
| Test Freq (MHz) | 7.9 |
| 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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