An electrical device like this requires a reverse leakage current of 5μA @ 15V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 18V.For operation, diode reaches 1.2V @ 500mA at the maximum voltage - Forward (Vf).
BZG04-15-M3-08 Features
reverse leakage current of 5μA @ 15V 5μA @ 15V is the maximum voltage (Tol)
BZG04-15-M3-08 Applications
There are a lot of Vishay Semiconductor Diodes Division BZG04-15-M3-08 applications of zener single diodes.