BJT VEB ratings availability
It's 'Silicon', not 'Silicone'

Most transistors are constructed to have high beta and low emitter resistance. This leads to doping the emitter as heavily as is practical, and this in turn leads to a B-E junction with a maximum voltage capability of around 5 V. Note that sometimes the BV is higher than this, but in some devices, sustained bias at E-B voltages over 5 V will cause severe degradation in the device characteristics.