An electrical device like this requires a reverse leakage current of 1μA @ 8.4V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 11V.
2M11ZHA0G Features
reverse leakage current of 1μA @ 8.4V 1μA @ 8.4V is the maximum voltage (Tol)
2M11ZHA0G Applications
There are a lot of Taiwan Semiconductor Corporation 2M11ZHA0G applications of zener single diodes.