It is necessary to supply this electrical device with a reverse leakage current of 3μA @ 2V.In operation, the maximum voltage - Zener (Nom) is set to 4.7V.For the device to operate, the maximum forward voltage (Vf) 900mV @ 10mA must be supplied.
BZX84-B4V7/LF1R Features
reverse leakage current of 3μA @ 2V 3μA @ 2V is the maximum voltage (Tol)
BZX84-B4V7/LF1R Applications
There are a lot of NXP USA Inc. BZX84-B4V7/LF1R applications of zener single diodes.