The reverse leakage current needed to power this electric device is 100nA @ 21V.As part of the operation, the maximum voltage - Zener (Nom) is reduced to 27V.For its operation, the maximum voltage - Forward (Vf) 1.2V @ 200mA is supplied.
1N5254B_T50R Features
reverse leakage current of 100nA @ 21V 100nA @ 21V is the maximum voltage (Tol)
1N5254B_T50R Applications
There are a lot of ON Semiconductor 1N5254B_T50R applications of zener single diodes.