BUL49D Datasheet (STMicroelectronics)

BUL49D, NPN Transistor

The devices are manufactured using high voltage multi-epitaxial planar technology for high switching speeds and high voltage capability.

The devices are designed for use in electronic transformer for halogen lamps.

3 2 1 TO-220 3 2 1 TO-220FP 3 1 D2PAK 123 I2PAK Figure 1.

Internal schematic dia

BUL49D Features

* High voltage capability

* Low spread of dynamic parameters

* Minimum lot-to-lot spread for reliable operation

* Very high switching speed

* High ruggedness Applications

* Electronic transformers for halogen lamps

* Flyback and forward single transistor low power convert