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BU505

ST Microelectronics
Part Number BU505
Manufacturer ST Microelectronics
Description HIGH VOLTAGE NPN MULTIEPITAXIAL FAST-SWITCHING TRANSISTOR
Published Apr 17, 2005
Detailed Description BU505 High Voltage NPN Multiepitaxial Fast-Switching Transistor Features ■ HIGH VOLTAGE CAPABILITY ■ VERY HIGH SWITCHIN...
Datasheet PDF File BU505 PDF File

BU505
BU505

Overview
BU505 High Voltage NPN Multiepitaxial Fast-Switching Transistor Features ■ HIGH VOLTAGE CAPABILITY ■ VERY HIGH SWITCHING SPEED ■ HIGH RUGGEDNESS Applications ■ ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING ■ SWITCH MODE POWER SUPPLIES Description The BU505 is a High Voltage NPN fastswitching transistor designed to be used in lighting application, like electronic ballast for fluorescent lamps.
It’s characteristics make also ideal for power supplies.
3 2 1 TO-220 Internal Schematic Diagram Order Codes Part Number BU505 Marking BU505 Package TO-220 Packing TUBE August 2005 rev.
4 1/10 www.
st.
com 10 1 Absolute Maximum Ratings 1 Absolute Maximum Ratings Table 1.
Absolute Maximum Rating Symbol Parameter VCES VCEO IC ICM IB IBM PTOT TSTG TJ Collector-Emitter Voltage (VBE = 0) Collector-Emitter Voltage (IB = 0) Collector Current Collector Peak Current (tP < 5ms) Base Current Base Peak Current (tP < 5ms) Total dissipation at Tc = 25°C Storage Temperature Max.
Operatin...


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