An electrical device such as this requires reverse leakage current of 1μA @ 35.8V.During operation, the maximum voltage - Zener (Nom) is reduced to 47V volts.
1SMB5941 R5G Features
reverse leakage current of 1μA @ 35.8V 1μA @ 35.8V is the maximum voltage (Tol)
1SMB5941 R5G Applications
There are a lot of Taiwan Semiconductor Corporation 1SMB5941 R5G applications of zener single diodes.