An electrical device like this requires a reverse leakage current of 5μA @ 1V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 4.3V.This device must be operated with the working test voltage set to 5mA.
CDZFHT2RA4.3B Features
reverse leakage current of 5μA @ 1V 5μA @ 1V is the maximum voltage (Tol) the working test voltage to 5mA minimal dynamic impedance is 5mA
CDZFHT2RA4.3B Applications
There are a lot of ROHM Semiconductor CDZFHT2RA4.3B applications of zener single diodes.