ST bu505 free download

File name bu505.pdf

BU505 High Voltage NPN Multiepitaxial Fast-Switching Transistor Features HIGH VOLTAGE CAPABILITY VERY HIGH SWITCHING SPEED HIGH RUGGEDNESS Applications ELECTRONIC BALLASTS FOR 3 FLUORESCENT LIGHTING 2 1 SWITCH MODE POWER SUPPLIES TO-220 Description The BU505 is a High Voltage NPN fastswitching transistor designed to be used in lighting application, like electronic ballast for fluorescent Internal Schematic Diagram lamps. It's characteristics make also ideal for power supplies. Order Codes Part Number Marking Package Packing BU505 BU505 TO-220 TUBE rev.4 August 2005 1/10 www.st.com 10 1 Absolute Maximum Ratings BU505 1 Absolute Maximum Ratings Table 1. Absolute Maximum Rating Symbol Parameter Value Unit VCES Collector-Emitter Voltage (VBE = 0) 1500 V VCEO Collector-Emitter Voltage (IB = 0) 700 V IC Collector Current 2.5 A ICM Collector Peak Current (tP < 5ms) 4 A IB Base Current 1 A IBM Base Peak Current (tP < 5ms) 2 A PTOT Total dissipation at Tc = 25