BUL44 Datasheet - Motorola Inc

BUL44 NPN Transistor

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by BUL44/D ™ Data Sheet SWITCHMODE™ Designer's NPN Bipolar Power Transistor For Switching Power Supply Applications The BUL44/BUL44F have an applications specific state of the art die designed for use in 220 V line operated Switchmode Power supplies and electronic light ballasts. These high voltage/high speed transistors offer the following: Improved Efficiency Due to Low Base Drive Requirements: .

BUL44 Features

* VCE, COLLECTOR

* EMITTER VOLTAGE (VOLTS) 1000 0 Figure 15. Forward Bias Safe Operating Area Figure 16. Reverse Bias Switching Safe Operating Area There are two limitations on the power handling ability of a transistor: average junction temperature and second breakdown. Safe operating area

BUL44_MotorolaInc.pdf