The Z4DGP408L-HF is a bridge rectifier diode from Comchip Technology. It is a surface mount diode with an average rectified current of 4A and a forward voltage drop of 950mV at 4A. The reverse leakage current is 5μA at 800V. This diode is a single-phase rectifier and has a peak reverse voltage of 800V. It is packaged in a Z4-D package, which is suitable for surface mount applications. The Z4DGP408L-HF is a standard diode that can be used in bridge rectifier circuits to convert AC voltage to DC voltage. It operates in a wide temperature range from -55°C to 175°C, making it suitable for high-temperature applications such as industrial and automotive systems.