The reverse leakage current for this electrical device should be 50nA @ 10mA.While operating, the maximum voltage - Zener (Nom) is reduced to 27VV.For its operation, maximum voltage - Forward (Vf) 900mV @ 10mA is provided.
BZX84W-B27F Features
reverse leakage current of 50nA @ 10mA 50nA @ 10mA is the maximum voltage (Tol)
BZX84W-B27F Applications
There are a lot of Nexperia USA Inc. BZX84W-B27F applications of zener single diodes.