An electrical device like this requires a reverse leakage current of 100nA @ 7V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 11V.For operation, diode reaches 1.1V @ 200mA at the maximum voltage - Forward (Vf).
1N6001A Features
reverse leakage current of 100nA @ 7V 100nA @ 7V is the maximum voltage (Tol)
1N6001A Applications
There are a lot of Microsemi Corporation 1N6001A applications of zener single diodes.