An electrical device like this requires a reverse leakage current of 2μA @ 10V.For operation, diode reaches 1.2V @ 200mA at the maximum voltage - Forward (Vf).
BZD27C13P-M3-18 Features
reverse leakage current of 2μA @ 10V 2μA @ 10V is the maximum voltage (Tol)
BZD27C13P-M3-18 Applications
There are a lot of Vishay Semiconductor Diodes Division BZD27C13P-M3-18 applications of zener single diodes.