An electrical device such as this requires reverse leakage current of 1μA @ 56V.During operation, the maximum voltage - Zener (Nom) is reduced to 75V volts.
1SMB5946HR5G Features
reverse leakage current of 1μA @ 56V 1μA @ 56V is the maximum voltage (Tol)
1SMB5946HR5G Applications
There are a lot of Taiwan Semiconductor Corporation 1SMB5946HR5G applications of zener single diodes.