BD677/A/679/A/681
BD678/A/680/A/682
COMPLEMENTARY SILICON
POWER DARLINGTON TRANSISTORS
s
s
s
s
SGS-THOMSON PREFERRED SALESTYPES
COMPLEMENTARY PNP - NPN DEVICES
MONOLITHIC DARLINGTON
CONFIGURATION
INTEGRATED ANTIPARALLEL
COLLECTOR-EMITTER DIODE
APPLICATION
s
LINEAR AND SWITCHING INDUSTRIAL
EQUIPMENT
DESCRIPTION
The BD677, BD677A, BD679, BD679A and
BD681 are silicon epitaxial-base NPN power
transistors in monolithic Darlington configuration
mounted in Jedec SOT-32 plastic package.
They are intended for use in medium power linar
and switching applications
The complementary PNP types are BD678,
BD678A, BD680, BD680A and
BD682
respectively.
SOT-32
3
2
1
INTERNAL SCHEMATIC DIAGRAM
R
1
Typ.= 7K
Ω
R
2
T yp.= 230
Ω
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
NPN
PNP
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
B
P
t ot
T
stg
T
j
Collector-Base Voltage (I
E
= 0)
Collector-Emitter Voltage (I
B
= 0)
Emitter-Base Voltage (I
C
= 0)
Collector Current
Collector Peak Current
Base Current
Total Dissipation at T
c
≤
25 C
Storage Temperature
Max. O perating Junction Temperature
o
Value
BD677/A
BD678/A
60
60
BD679/A
BD680/A
80
80
5
4
6
0.1
40
-65 to 150
150
BD681
BD682
100
100
Uni t
V
V
V
A
A
A
W
o
o
C
C
For PNP types voltage and current values are negative.
September 1997
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