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Gowanda’s SMT1803-331M is a high-efficiency, low-profile toroidal inductor designed for demanding applications. Weighing just 1.5 grams, it features compact dimensions of 7.9 × 5.21 × 2.03 mm and is part of the SMT1803 series. This surface-mount technology (SMT) component is classified under the COTS+ application grade, offering an inductance of 3.3 µH with a direct current resistance (DCR) of 0.107 Ω. It supports a current rating of 1.27 A DC and an I SAT of 2.23 A DC, with a tolerance of ±20%. The inductor uses a ferrite core and is not shielded, operating efficiently within a temperature range of -55°C to +125°C. It features Pb termination with a Sn63Pb37 finish, is rated at moisture sensitivity level (MSL) 1, and is available in tape and reel (T&R) packaging.
| Weight | 1.5 g |
|---|---|
| Dimensions | 7.9 × 5.21 × 2.03 mm |
| Series | SMT1803 |
| Mounting Type | SMT |
| Application Grade | COTS+ |
| Inductance (µH) | 3.3 |
| DCR (Ω) | 0.107 |
| Current Rating (A DC) | 1.27 |
| I SAT (A DC) | 2.23 |
| Tolerance | ±20% |
| Termination Type | Pb |
| Termination Finish | Sn63Pb37 |
| Core | Ferrite |
| Shielded | No |
| Operating Temperature | -55°C to +125°C |
| MSL | 1 |
| Packaging | T&R |
High Efficiency Low Profile Toroidal Inductor
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