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COMPLEMENTARY SILICON POWER DARLINGTON TRANSISTORS
®
BDX53B / BDX53C
BDX54B / BDX54C
COMPLEMENTARY SILICON POWER
DARLINGTON TRANSISTORS
n
STMicroelectronics PREFERRED
SALESTYPES
APPLICATIONS
n
AUDIO AMPLIFIERS
LINEAR AND SWITCHING INDUSTRIAL
EQUIPMENT
n
DESCRIPTION
The BDX53B and BDX53C are silicon
Epitaxial-Base NPN power transistors in
monolithic Darlington configuration mounted in
Jedec TO-220 plastic package. They are intented
for use in hammer drivers, audio amplifiers and
other medium power linear and switching
applications.
The complementary PNP types are BDX54B and
BDX54C respectively.
3
2
1
TO-220
INTERNAL SCHEMATIC DIAGRAM
R
1
Typ. = 10 K
W
R
2
Typ. = 150
W
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
NPN
BDX53B
BDX53C
PNP
BDX54B
BDX54C
V
CBO
Collector-Base Voltage (I
E
= 0)
80
100
V
V
CEO
Collector-Emitter Voltage (I
B
= 0)
80
100
V
V
EBO
Emitter-base Voltage (I
C
= 0)
5
V
I
C
Collector Current
8
A
I
CM
Collector Peak Current (repetitive)
12
A
I
B
Base Current
0.2
A
P
tot
Total Dissipation at T
c
£
25
o
C
60
W
T
stg
Storage Temperature
-65 to 150
o
C
T
j
Max. Operating Junction Temperature
150
o
C
For PNP types voltage and current values are negative.
September 1999
1/6
BDX53B - BDX53C - BDX54B - BDX54C
THERMAL DATA
R
thj-case
R
thj-amb
Thermal Resistance Junction-case Max
Thermal Resistance Junction-ambient Max
2.08
70
o
C/W
o
C/W
ELECTRICAL CHARACTERISTICS
(T
case
= 25
o
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
CBO
Collector Cut-off
Current (I
E
= 0)
for
BDX53B/54B
V
CB
= 80 V
for
BDX53C/54C
V
CB
= 100V
0.2
0.2
mA
mA
I
CEO
Collector Cut-off
Current (I
B
= 0)
for
BDX53B/54B
V
CE
= 40 V
for
BDX53C/54C
V
CE
= 50V
0.5
0.5
mA
mA
I
EBO
Emitter Cut-off Current
(I
C
= 0)
V
EB
= 5 V
2
A
V
CEO(sus)
*
Collector-Emitter
Sustaining Voltage
(I
B
= 0)
I
C
= 100 mA for
BDX53B/54B
for
BDX53C/54C
80
100
V
V
V
CE(sat)
*
Collector-emitter
Saturation Voltage
I
C
= 3 A I
B
=12 mA
2
V
V
BE(sat)
*
Base-emitter
Saturation Voltage
I
C
= 3 A I
B
=12 mA
2.5
V
h
FE
*
DC Current Gain
I
C
= 3 A V
CE
= 3 V
750
V
F
*
Parallel-diode Forward
Voltage
I
F
= 3 A
I
F
= 8 A
1.8
2.5
2.5
V
V
*
Pulsed: Pulse duration = 300
m
s, duty cycle 1.5 %
For PNP types voltage and current values are negative.
Safe Operating Area
Derating Curve
2/6
BDX53B - BDX53C - BDX54B - BDX54C
DC Current Gain (NPN type)
DC Current Gain (PNP type)
Collector Emitter Saturation Voltage (NPN type)
Collector Emitter Saturation Voltage (PNP type)
Base Emitter Saturation Voltage (NPN type)
Base Emitter Saturation Voltage (PNP type)
3/6
BDX53B - BDX53C - BDX54B - BDX54C
Base Emitter On Voltage (NPN type)
Base Emitter On Voltage (PNP type)
Freewheel Diode Forward Voltage (NPN type)
Freewheel Diode Forward Voltage (PNP type)
Switching Time Resistive Load (NPN type)
Switching Time resistive Load (PNP type)
4/6
BDX53B - BDX53C - BDX54B - BDX54C
TO-220 MECHANICAL DATA
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
0.107
D1
1.27
0.050
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.067
F2
1.14
1.70
0.044
0.067
G
4.95
5.15
0.194
0.203
G1
2.4
2.7
0.094
0.106
H2
10.0
10.40
0.393
0.409
L2
16.4
0.645
L4
13.0
14.0
0.511
0.551
L5
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.2
6.6
0.244
0.260
L9
3.5
3.93
0.137
0.154
DIA.
3.75
3.85
0.147
0.151
P011C
5/6
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