An electrical device such as this requires reverse leakage current of 100nA @ 8V.During operation, the maximum voltage - Zener (Nom) is reduced to 12.05V volts.As soon as the maximum voltage - Forward (Vf) is supplied, it reaches 900mV @ 10mA V.
BZT52-C12J Features
reverse leakage current of 100nA @ 8V 100nA @ 8V is the maximum voltage (Tol)
BZT52-C12J Applications
There are a lot of Nexperia USA Inc. BZT52-C12J applications of zener single diodes.