The CZRA4731-HF is a Zener diode from Comchip Technology. It comes in a DO-214AC, SMA Flat Leads package and is designed for use in discrete semiconductor products. This diode has a maximum power rating of 1 W and a forward voltage of 1.2 V at 200 mA. It has a reverse leakage current of 10 μA at 1 V and a zener voltage of 4.3 V. The CZRA4731-HF has a maximum impedance of 9 Ohms and operates in a temperature range of -55°C to 150°C. This diode has a tolerance of ±5% and is supplied in a tape and reel package. It is a reliable and high-performance component that is ideal for use in a range of electronic applications.