An electrical device like this requires a reverse leakage current of 100nA @ 24V.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 33V.For operation, diode reaches 1V @ 10mA at the maximum voltage - Forward (Vf).
BZV55C33 L1G Features
reverse leakage current of 100nA @ 24V 100nA @ 24V is the maximum voltage (Tol)
BZV55C33 L1G Applications
There are a lot of Taiwan Semiconductor Corporation BZV55C33 L1G applications of zener single diodes.