The reverse leakage current for this electrical device is 50nA @ 14V.In the course of operation, Zener (Nom) drops to zero voltage.This value reaches 900mV @ 10mA when the maximum Forward voltage (Vf) is applied.
BZT52-B20J Features
reverse leakage current of 50nA @ 14V 50nA @ 14V is the maximum voltage (Tol)
BZT52-B20J Applications
There are a lot of Nexperia USA Inc. BZT52-B20J applications of zener single diodes.