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BUX98A High power NPN transistor Features High voltage capability High current capability Fast switching speed Applications 1 2 High frequency and efficency converters Linear and switching industrial equipment TO-3 Type R Description The BUX98A is a multi-epitaxial mesa NPN transistor in TO-3 metal case, intended for Figure 1. Internal schematic diagram industrial applications from single and three- phase mains operation. Table 1. Device summary Order codes Marking Package Packaging BUX98A BUX98A TO-3 Tray November 2008 Rev 5 1/11 www.st.com 11 Content BUX98A Content 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2/11 BUX98A Electrical ratings 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit VCER Collector-emitter voltage (RBE 10 ) 1000 V VCES Collector-emitter voltage (VBE = 0) 1000 V VCEO Collector-emitter voltage (IB = 0) 450 V VEBO Emitter-base voltage (IC = 0) 7 V IC Collector current 30 A ICM Collector peak current (tp 5ms) 60 A ICP Collector peak current non repetitive (tp 20