BUL129D Datasheet | STMicroelectronics

.. High Voltage Fast-Switching NPN Power Transistor Features - - - - - PRELIMINARY DATA NPN TRANSISTOR HIGH VOLTAGE CAPABILITY LOW SPREAD OF DYNAMIC PARAMETERS MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION VERY HIGH SWITCHING SPEED 1 2 3 Applications - ELECTRONIC TRANSFORMERS FOR HALOGEN LAMPS TO-220 Description The device is manufactured using High Voltage Multi-Epitaxial Planar technology for high switching speeds while maintaining the wide RBSOA. The device is designed to be used in electronics transformers for halogen lamps. Internal Schematic Diagram Order Codes Part Number BUL129D Marking BUL129D Package TO-220 Packing TUBE December 2005 rev.1...