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2std1665


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                                                                                            2STD1665

                              Low voltage fast-switching NPN power transistor

Features
   Very low collector to emitter saturation
   volatage
   High current gain characteristic
                                                                                        3                     3
   Fast-switching speed                                                             2
                                                                                1                         1
   Through-hole IPAK (TO-251) power package
   in tube (suffix"-1")
                                                                   IPAK                            DPAK
   Surface mounting DPAK (TO-252) power
                                                                 TO251                            TO252
   package in tape & reel (suffix"T4")
                                                              ( Suffix "-1" )                  ( Suffix "T4" )

Applications
   Ccfl drivers                                        Figure 1.   Internal schematic diagram

   Voltage regulators
   Relay drivers
   High efficiency low voltage switching
   applications

Description
The device is manufactured in NPN Planar
Technology by using a "Base Island" layout. The
resulting transistor shows exceptional high gain
performance coupled with very low saturation
voltage.




Table 1.     Device summary
   Order code           Marking                    Package                                   Packing

   2STD1665T4           D1665                       DPAK                                    Tape & reel
   2STD1665-1           D1665                        IPAK                                      Tube




March 2008                                         Rev 2                                                          1/11
                                                                                                          www.st.com     11
                                                                                                                  2STD1665


Contents

1      Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2      Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
       2.1      Electrical characteristics (curves)                        ........................... 5
       2.2      Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3      Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4      Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11




2/11
2STD1665


1          Electrical ratings

           Table 2.      Absolute maximum rating
            Symbol                             Parameter               Value      Unit

             VCBO      Collector-base voltage (IE = 0)                  150        V
             VCEO      Collector-emitter voltage (IB = 0)               65         V
             VEBO      Emitter-base voltage (IC = 0)                     7         V

              IC       Collector current                                 6         A
              ICM      Collector peak current (tP < 5ms)                20         A
               IB      Base current                                      1         A
              Ptot     Total dissipation at Tc = 25 



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