An electrical device like this requires a reverse leakage current of 2μA @ 2V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 5.1V.For operation, diode reaches 1.5V @ 200mA at the maximum voltage - Forward (Vf).
VLZ5V1-GS08 Features
reverse leakage current of 2μA @ 2V 2μA @ 2V is the maximum voltage (Tol)
VLZ5V1-GS08 Applications
There are a lot of Vishay Semiconductor Diodes Division VLZ5V1-GS08 applications of zener single diodes.