The CMOZ5V1 TR is a zener diode from Central Semiconductor Corp. It has a tolerance of ±5%, and the forward voltage is 900mV at 10mA. The reverse leakage current is 2µA at 2V, and the zener voltage is 5.1V. The maximum impedance is 60 Ohm. This discrete semiconductor product is currently active and has a medium popularity in the market. The package is SOD-523, and the maximum power dissipation is 300mW.