It is necessary to supply this electrical device with a reverse leakage current of 3μA @ 1V.In operation, the maximum voltage - Zener (Nom) is set to 3.9V.For the device to operate, the maximum forward voltage (Vf) 900mV @ 10mA must be supplied.
BZT52-B3V9X Features
reverse leakage current of 3μA @ 1V 3μA @ 1V is the maximum voltage (Tol)
BZT52-B3V9X Applications
There are a lot of Nexperia USA Inc. BZT52-B3V9X applications of zener single diodes.