Sumida launches two new SMD high-current power inductors for OBCs – Charged EVs


Sumida launches two new SMD high-current power inductors for OBCs – Charged EVs

Sumida America, a manufacturer of inductive components and modules, has introduced the CDPQ/T150 series of high-current power inductors suitable for EV on-board chargers.

The new design combines precision flat-wire windings and large tinned copper surface mounting pads to maximize current handling capacity. The flat-wire coil is closely wound together to increase its effective cross-sectional area and encased in a high-permeability ferrite core to minimize its physical size. The high surface area of the flat-wire windings is also effective at limiting internal resistance at high frequencies.   

The inductors are magnetically shielded and AEC-Q200 qualified. The CDPQ2014/T150 is available in three inductance values: 1, 2.2 and 3.3 µH. Maximum saturation current ranges from 16 to 48 amps at 150° C. The larger CDPQ2717/T150 is of a similar design and is available in 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. The absolute maximum voltage across the inductor is 300 VDC for each. The operating temperature range is -40° C to +150° C, including the device’s self-temperature rise. Other values are also available for OEM orders. Both inductors are available for sampling.

As with Sumida’s DPQ3535/T150 and DPQ5050/T150 inductors launched earlier this year, applications include use as a buck/boost inductor for OBCs in EVs, DC-DC converters, point-of-load converters, computer peripherals, LED drivers, Class D audio amplifiers, and other high-performance power applications.

Source: Sumida

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