KD421K15 is a module from the PRX series manufactured by KEMET. It is a high-voltage, high-current, low-inductance, high-frequency power module. It is designed for use in power conversion applications such as motor drives, power supplies, and inverters. It features a wide operating temperature range of -40°C to {+}125°C, low on-state resistance, and high current carrying capacity. It is also designed to provide high-frequency switching with low noise and high efficiency. The module is suitable for use in a variety of applications including industrial, automotive, and consumer electronics.(For reference only)
https://www.utsource.net/itm/p/280005.html