An electrical device such as this requires reverse leakage current of 100nA @ 28V.During operation, the maximum voltage - Zener (Nom) is reduced to 39V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 1V @ 10mA V.
BZT55C39 L0G Features
reverse leakage current of 100nA @ 28V 100nA @ 28V is the maximum voltage (Tol)
BZT55C39 L0G Applications
There are a lot of Taiwan Semiconductor Corporation BZT55C39 L0G applications of zener single diodes.