The reverse leakage current needed to power this electric device is 5μA @ 9.9V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 13V.
1N4743A_S00Z Features
reverse leakage current of 5μA @ 9.9V 5μA @ 9.9V is the maximum voltage (Tol)
1N4743A_S00Z Applications
There are a lot of ON Semiconductor 1N4743A_S00Z applications of zener single diodes.