High-current shielded power inductors use flat-wire construction on a ferrite core to provide low DC resistance and controlled L-versus-current behavior. The SER2918H variants cover 3.3 µH to 33 µH inductance with 10% tolerance and 2.60 mΩ typical DCR. Saturation current ratings span 7.0 A to 91.0 A at 10% inductance drop, and RMS current is rated at 20 A for a 20°C rise or 28 A for a 40°C rise. The parts are intended for surface-mount assembly, use tray packaging, and are specified for a -40°C to +85°C ambient range with +125°C maximum part temperature.
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| Inductance range | 3.3 to 33µH |
| Inductance tolerance | ±10% |
| DCR typical | 2.60mΩ |
| DCR maximum | 2.86mΩ |
| SRF typical range | 10 to 40MHz |
| Isat range at 10% inductance drop | 7.0 to 91.0A |
| Irms at 20°C rise | 20.0A |
| Irms at 40°C rise | 28.0A |
| Ambient temperature range | -40 to +85°C |
| Maximum part temperature | +125°C |
| Core material | Ferrite |
| Weight | 35.7g |
| Moisture sensitivity level | MSL 1 |
| Resistance to soldering heat | Max three 40 s reflows at +260°C |
| RoHS | Compliant |
| Halogen Free | Yes |
| Aec-q200 | Qualified |
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