Thanks to Diodes Zetex, your circuit can handle high levels of voltage using the NPN DSS4240T-7 general purpose bipolar junction transistor. This bipolar junction transistor"s maximum emitter base voltage is 5 V. Its maximum power dissipation is 600 mW. This product will be shipped in tape and reel packaging for quick mounting and safe delivery. It has a maximum collector emitter voltage of 40 V and a maximum emitter base voltage of 5 V. This bipolar junction transistor has an operating temperature range of -55 °C to 150 °C.