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                                 BUJ105AD
                                 Silicon diffused power transistor
                                 Rev. 01 -- 14 December 2004                                         Product data sheet




1. Product profile

                     1.1 General description
                              High-voltage, high-speed planar-passivated NPN power switching transistor in a SOT428
                              (D-PAK) surface mounted package.

                     1.2 Features
                              s Low thermal resistance                              s Fast switching


                     1.3 Applications
                              s Electronic lighting ballast                         s DC-to-DC converters
                              s Inverters                                           s Motor control systems


                     1.4 Quick reference data
                              s VCESM  700 V                                        s IC  8 A
                              s Ptot  80 W                                          s hFEsat = 11 (typ)


2. Pinning information
Table 1:      Pinning
Pin               Description                                                Simplified outline           Symbol
1                 base
                                                                       [1]                  mb
2                 collector                                                                                                2

3                 emitter
                                                                                                                   1
mb                mounting base; connected to collector
                                                                                                                           3
                                                                                            2
                                                                                                                       sym056
                                                                                        1        3

                                                                                  SOT428 (D-PAK)

[1]   It is not possible to make a connection to pin 2 of the SOT428 (D-PAK) package.
Philips Semiconductors                                                                                                                   BUJ105AD
                                                                                                                    Silicon diffused power transistor



3. Ordering information
Table 2:          Ordering information
Type number                      Package
                                 Name                 Description                                                                                                Version
BUJ105AD                         D-PAK                plastic single-ended surface mounted package; 3 leads (one lead cropped) SOT428


4. Limiting values
Table 3:   Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol                 Parameter                                             Conditions                                              Min             Max              Unit
VCESM                  peak collector-emitter voltage                        VBE = 0 V                                               -               700              V
VCEO                   collector-emitter voltage                             open base                                               -               400              V
VCBO                   collector-base voltage                                open emitter                                            -               700              V
IC                     collector current (DC)                                                                                        -               8                A
ICM                    peak collector current                                                                                        -               16               A
IB                     base current (DC)                                                                                             -               4                A
IBM                    peak base current                                                                                             -               8                A
Ptot                   total power dissipation                               Tmb =  25 

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