An electrical device like this requires a reverse leakage current of 1μA @ 9.1V.During reverse leakage, the maximum current reaches 1μA.For operation, diode reaches 1.2V @ 200mA at the maximum voltage - Forward (Vf).
1N5927BP/TR12 Features
reverse leakage current of 1μA @ 9.1V 1μA @ 9.1V is the maximum voltage (Tol) Reverse leakage current reaches 1μA
1N5927BP/TR12 Applications
There are a lot of Microsemi Corporation 1N5927BP/TR12 applications of zener single diodes.