The Comchip Technology CZRU52C4V3-HF is a zener diode with a voltage rating of 4.3V and a maximum power dissipation of 150mW. It has a forward voltage of 900mV at 10mA and a reverse leakage current of 5µA at 1V. The diode is designed for use in discrete semiconductor products and is mounted using SMD (SMT) technology. It has a tolerance of ±5% and an impedance of 95 Ohms. The temperature range for operation is -55°C to 125°C, making it suitable for use in a wide range of applications. The diode is packaged in a 2-SMD, No Lead case and is available in a tape and reel of 4,000 pcs.