The CZRW5228B-G is a zener diode manufactured by Comchip Technology. It is designed to provide a stable voltage reference with a tolerance of ±5%. The diode has a maximum power dissipation of 350mW and a forward voltage of 900mV at 10mA. The CZRW5228B-G has a reverse leakage current of 10μA at 1V and a zener voltage of 3.9V. The diode is available in a surface-mount package and is suitable for use in a variety of applications, including power supplies, lighting, and industrial equipment. With its high reliability and stable voltage reference, the CZRW5228B-G is an excellent choice for your diode needs.