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STMicroelectronics N/A BD 679 A NPN Case type TO 126 I(C) 4 BD679A Data Sheet

Product codes
BD679A
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Page of 12
January 2008
Rev 5
1/12
12
BD6xxx
Complementary power Darlington transistors
Features
■
Good h
FE
 linearity
■
High f
T
 frequency
■
Monolithic Darlington configuration with 
integrated antiparallel collector-emitter diode
Applications
■
Linear and switching industrial equipment
Description
The devices are manufactured in planar base 
island technology with monolithic Darlington 
configuration.
         .
Figure 1.
Internal schematic diagram
SOT-32
3
2
1
R1 typ.= 15 K
Ω
R2 typ.= 100 
Ω
Table 1.
Device summary
Order codes
Marking 
Package
Packaging
BD677
BD677
SOT-32
Tube
BD677A
BD677A
BD678
BD678
BD678A
BD678A
BD679
BD679
BD679A
BD679A
BD680
BD680
BD680A
BD680A
BD681
BD681
BD682
BD682