An electrical device like this requires a reverse leakage current of 100nA @ 36V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 47V.For operation, diode reaches 1.5V @ 200mA at the maximum voltage - Forward (Vf).
ZMM5261B-7 Features
reverse leakage current of 100nA @ 36V 100nA @ 36V is the maximum voltage (Tol)
ZMM5261B-7 Applications
There are a lot of Vishay Semiconductor Diodes Division ZMM5261B-7 applications of zener single diodes.