An electrical device like this requires a reverse leakage current of 1μA @ 11.5V.During reverse leakage, the maximum current reaches 1μA.For operation, diode reaches 1.2V @ 1A at the maximum voltage - Forward (Vf).
SMBJ5353B/TR13 Features
reverse leakage current of 1μA @ 11.5V 1μA @ 11.5V is the maximum voltage (Tol) Reverse leakage current reaches 1μA
SMBJ5353B/TR13 Applications
There are a lot of Microsemi Corporation SMBJ5353B/TR13 applications of zener single diodes.