An electrical device like this requires a reverse leakage current of 5μA @ 4V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 6.8V.For operation, diode reaches 1.2V @ 200mA at the maximum voltage - Forward (Vf).
3EZ6.8D10/TR12 Features
reverse leakage current of 5μA @ 4V 5μA @ 4V is the maximum voltage (Tol)
3EZ6.8D10/TR12 Applications
There are a lot of Microsemi Corporation 3EZ6.8D10/TR12 applications of zener single diodes.