BC546 Maximum Ratings
1. Collector–Emitter Voltage : Vceo = 65V
2. Collector–Base Voltage : Vcbo = 80V
3. Emitter–Base Voltage : Vebo = 6V
4. Collector Current — Continuous : Ic = 100mA
5. Total Device Dissipation @ TA = 25°C : Pd = 625mW