An electrical device such as this requires reverse leakage current of 100nA @ 30V.During operation, the maximum voltage - Zener (Nom) is reduced to 39V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 1.1V @ 200mA V.
TZM5259F-GS08 Features
reverse leakage current of 100nA @ 30V 100nA @ 30V is the maximum voltage (Tol)
TZM5259F-GS08 Applications
There are a lot of Vishay Semiconductor Diodes Division TZM5259F-GS08 applications of zener single diodes.