During reverse leakage, the maximum current reaches 40nA.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 39V.For operation, diode reaches 1.5V @ 200mA at the maximum voltage - Forward (Vf).
TLZ39-GS08 Features
Reverse leakage current reaches 40nA
TLZ39-GS08 Applications
There are a lot of Vishay Semiconductor Diodes Division TLZ39-GS08 applications of zener single diodes.