Compact SMT transformers for DC-DC converters

February 04, 2021 // By Nick Flaherty
Compact SMT transformers for DC-DC converters
Four SMT transformer models in TDK's EPCOS E10 EM series have a working voltage of 500 VRMS and reinforced insulation of 300 VRMS and measure 11.7 x 13.15 x 11.35 mm

TDK has launched a range of insulated surface mount transformer transformer models that are suitable for various DC-DC converter topologies and gate driver circuits in e-mobility and industrial electronics.

There are four models in the EPCOS E10 EM series with basic winding insulation of a working voltage of 500 VRMS and reinforced insulation of 300 VRMS. The turns ratio is between 1:0.76 and 4:1, depending on the model.

The SMT transformer series measures 11.7 x 13.15 x 11.35 mm and the internal construction meets clearance and creepage requirements in accordance with the IEC 60664-1 standard (Np/Ns: min. 5.5 mm clearance, min. 6 mm creepage). Reproducibility and reliability are ensured by using a highly automated production process with an AOI final inspection. The B78307A model of SMT transformer is qualified in accordance with AEC-Q200 Rev. D for automotive applications.

www.tdk-electronics.tdk.com/transformers_igbt_fet

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