Electronic Products & Technology

SMD high-current shielded flat-wire power inductors serve on-board chargers

EP&T Magazine   

Electronics Power Supply / Management high-current inductors power shielded flat-wire

SUMIDA AMERICA CDPQ****/T150 Series of high-current power inductors provide a combination of precision flat-wire windings and large tinned copper surface mounting pads maximizing current handling capacity. Devices are magnetically shielded, AEC-Q200 qualified, and suitable for on-board chargers. The flat wire coil is closely wound together to increase its effective cross-sectional area. This coil is encased in a high permeability ferrite core minimizing physical size. The high surface area of the flat-wire windings is also effective at minimizing internal resistance at high frequencies.

Model CDPQ2014/T150 is available in three inductance values from 1, 2.2, and 3.3µH. Maximum saturation current ranges from 16 to 48 amps at 150° C. The larger unit is of a similar design and is available in three inductance values of 2.2, 3.3, and 4.7 µH. Its maximum saturation current range is from 16 to 48 amps at 150°C.

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