An electrical device such as this requires reverse leakage current of 20μA @ 1V.During operation, the maximum voltage - Zener (Nom) is reduced to 4.7V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 1.2V @ 200mA V.
3EZ4.7D5/TR12 Features
reverse leakage current of 20μA @ 1V 20μA @ 1V is the maximum voltage (Tol)
3EZ4.7D5/TR12 Applications
There are a lot of Microsemi Corporation 3EZ4.7D5/TR12 applications of zener single diodes.