Tol is the maximum voltage that can be supplied (5%).The maximum voltage - Zener (Nom) is reduced to 12.8V during operation.When the voltage (Temp Coeff) reaches its maximum, it reaches 1.28mV/°C.
1N4904 Features
1N4904 Applications
There are a lot of Microsemi Corporation 1N4904 applications of zener single diodes.