The BUB323ZT4G is a NPN bipolar silicon power Darlington Transistor with a built-in active Zener clamping circuit. This device is specifically designed for unclamped, inductive applications such as electronic ignition, switching regulators and motor control.
Planar, monolithic
Autoprotected
Integrated high-voltage active clamp
Tight clamping voltage window
Clamping energy capability 100% tested in a live ignition circuit
High DC current gain/low saturation voltages specified over full temperature range