An electrical device such as this requires reverse leakage current of 500nA @ 22V.During operation, the maximum voltage - Zener (Nom) is reduced to 30V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 1.2V @ 200mA V.
BZG05C30-HM3-18 Features
reverse leakage current of 500nA @ 22V 500nA @ 22V is the maximum voltage (Tol)
BZG05C30-HM3-18 Applications
There are a lot of Vishay Semiconductor Diodes Division BZG05C30-HM3-18 applications of zener single diodes.