A maximum voltage (Tol) can be supplied if 5% is set.While the device is operating, the maximum voltage - Zener (Nom) is reduced to 12.8V.0.64mV/°C is reached when the temperature coefficient (Temp Coeff) reaches its maximum.
1N4901 Features
1N4901 Applications
There are a lot of Microsemi Corporation 1N4901 applications of zener single diodes.