An electrical device like this requires a reverse leakage current of 5μA @ 2V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 5.1V.For operation, diode reaches 1.4V @ 1A at the maximum voltage - Forward (Vf).
JANTX1N6317D Features
reverse leakage current of 5μA @ 2V 5μA @ 2V is the maximum voltage (Tol)
JANTX1N6317D Applications
There are a lot of Microsemi Corporation JANTX1N6317D applications of zener single diodes.