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bux98a


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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 



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