An electrical device like this requires a reverse leakage current of 5μA @ 3V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 6.28V.For operation, diode reaches 900mV @ 10mA at the maximum voltage - Forward (Vf).
PLZ6V2C-G3/H Features
reverse leakage current of 5μA @ 3V 5μA @ 3V is the maximum voltage (Tol)
PLZ6V2C-G3/H Applications
There are a lot of Vishay Semiconductor Diodes Division PLZ6V2C-G3/H applications of zener single diodes.