The APT15D40KG with Rectifiers FRED D 400 V 15 A TO-220 manufactured by Microchip is a rectifier diode specifically designed for high surge rectification applications. The diode is constructed out of an oxide-based semiconductor ceramic, and is capable of fast switching speeds, allowing for high performance rectification. The diode is able to survive surge currents up to 20,000 A, and has a maximum blocking voltage rating of 400 V. Additionally, these diodes are designed in a TO-220 package with three leads for easy connection. The APT15D40KG is suitable for applications such as AC-DC converters, switched-mode power supplies, high voltage motor controls, and many other high power industrial applications.