The Comchip Technology CZRA4748-G is a zener diode with a voltage of 22V and a power of 1W. It has a tolerance of ±5% and a maximum impedance of 23 Ohms. This zener diode is available in a DO-214AC (SMA) package and is mounted through surface-mount technology. Temperature range for operating is -55°C to 150°C. Supply and demand status is balanced with a manufacturer pack quantity of 2,000. The voltage forward at maximum is 1.2V at 200mA and the current reverse leakage at Vr is 5μA at 16.7V.