The APT43GA90B with IGBT Transistors FG, IGBT, 900V, TO-247 is a series of power transistors manufactured by Microchip. It is a high-performance IGBT transistor featuring ultra-low on-resistance and high-speed switching characteristics. It has a current rating of 39A, forward voltage drop of 600mV, and a maximum gain of 80V/V. The package is a TO-247, and the gate includes a built-in ESD protection diode to protect against electrostatic discharge. Additionally, the output is temperature compensated for improved circuit stability and lifetime. The APT43GA90B can be used in various applications such as motor drive circuits, UPS, and power supplies.