The reverse leakage current needed to power this electric device is 50nA @ 32.9V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 47V.For its operation, the maximum voltage - Forward (Vf) 900mV @ 10mA is supplied.
BZT52-C47J Features
reverse leakage current of 50nA @ 32.9V 50nA @ 32.9V is the maximum voltage (Tol)
BZT52-C47J Applications
There are a lot of Nexperia USA Inc. BZT52-C47J applications of zener single diodes.