BUL38D Datasheet PDF - ST Microelectronics

●The BUL38D is a 450V High Voltage Fast Switching NPN Power Transistor manufactured using high voltage Multiepitaxial planar technology for high switching speeds and high voltage capability. It is designed for use in electronic transformer for halogen lamps. Fast switching times and very low saturation voltage resulting in reduced switching and conduction losses.

● High voltage capability

● Low spread of dynamic parameters

● Minimum lot-to-lot spread for reliable operation

● Very high switching speed

● High ruggedness

● Fully characterized at 125°C

● Integrated anti-parallel collector-emitter diode

● Well-controlled hFE parameter for increased reliability