The reverse leakage current needed to power this electric device is 1μA @ 9.1V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 12V.For its operation, the maximum voltage - Forward (Vf) 1.2V @ 200mA is supplied.
1N5242B_T50A Features
reverse leakage current of 1μA @ 9.1V 1μA @ 9.1V is the maximum voltage (Tol)
1N5242B_T50A Applications
There are a lot of ON Semiconductor 1N5242B_T50A applications of zener single diodes.