The reverse leakage current needed to power this electric device is 3μA @ 1V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 4.3V.For its operation, the maximum voltage - Forward (Vf) 900mV @ 10mA is supplied.
BZT52-C4V3J Features
reverse leakage current of 3μA @ 1V 3μA @ 1V is the maximum voltage (Tol)
BZT52-C4V3J Applications
There are a lot of Nexperia USA Inc. BZT52-C4V3J applications of zener single diodes.