The BYV29-400.127 is a high-efficiency, fast-recovery diode manufactured by WeEn Semiconductor. It is a high-current, standard avalanche diode with soft-recovery characteristics that can be used in various applications such as motor control, rectification, power factor correction, power switching, EMI suppression, etc. The package type of this diode is TO-220F, and its current rating is 400 Amperes with a reverse voltage of 1.27 kV. It features a low reverse recovery time, low forward voltage drop and low leakage currents.