BUX348
FAST-SWITCHING POWER TRANSISTOR
s
STMicroelectronics PREFERRED
SALESTYPE
s
NPN TRANSISTOR
s
HIGH VOLTAGE
s
FAST SWITCHING
s
OFF-LINE APPLICATIONS TO 380V
APPLICATIONS
s
SWITCH MODE POWER SUPPLIES
s
UNINTERRUPTABLE POWER SUPPLY
s
DC AND AC MOTOR CONTROL
INTERNAL SCHEMATIC DIAGRAM
March 2003
1
2
TO-3
(version "S")
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
CEV
Collector-Emitter Voltage (V
BE
= -1.5 V)
850
V
V
CEO
Collector-Emitter Voltage (I
B
= 0)
450
V
V
EBO
Emitter-Base Voltage (I
C
= 0)
7
V
I
C
Collector Current
45
A
I
CM
Collector Peak Current
60
A
I
B
Base Current
9
A
I
BM
Base Peak Current (t
p
< 5 ms)
15
A
P
tot
Total Power Dissipation at T
case
25
o
C
300
W
T
stg
Storage Temperature
-65 to 200
o
C
T
j
Junction Temperature
200
o
C
1/4
THERMAL DATA
R
thj-case
Thermal Resistance Junction-case Max
0.58
o
C/W
ELECTRICAL CHARACTERISTICS (T
case
= 25
o
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
CER
Collector Cut-off
Current (R
BE
= 10
)
V
CE
= V
CEV
V
CE
= V
CEV
T
c
= 100
o
C
0.4
2
mA
mA
I
CEV
Collector Cut-off
Current
(V
BE
= -1.5V)
V
CE
= V
CEV
V
CE
= V
CEV
T
c
= 100
o
C
0.4
2
mA
mA
I
EBO
Emitter Cut-off
Current (I
C
= 0)
V
EB
= 5 V
2
mA
V
CEO(sus)
Collector-Emitter
Sustaining Voltage
(I
B
= 0)
I
C
= 0.2 A L = 25 mH
450
V
V
EBO
Emitter-Base Voltage
(I
C
= 0)
I
E
= 100 mA
7
V
V
CE(sat)
Collector-Emitter
Saturation Voltage
I
C
= 30 A I
B
= 6 A
I
C
= 30 A I
B
= 6 A T
j
= 100
o
C
0.7
1.35
0.9
2
V
V
V
BE(sat)
Base-Emitter
Saturation Voltage
I
C
= 30 A I
B
= 6 A
I
C
= 30 A I
B
= 6 A T
j
= 100
o
C
1.12
1.1
1.5
1.5
V
V
di
C
/dt
Rated of Rise on-state
Collector Current
V
CC
= 300V I
B1
= 9 A R
C
= 0
t
p
=
3
s T
j
= 100
o
C
125
250
A/
s
V
CE(3
s)
Collector-Emitter
Dynamic Voltage
V
CC
= 300V I
B1
= 9 A
R
C
= 10
T
j
= 100
o
C
4.4
8
V
V
CE(5
s)
Collector-Emitter
Dynamic Voltage
V
CC
= 300V I
B1
= 9 A
R
C
= 10
T
j
= 100
o
C
2.3
4
V
INDUCTIVE LOAD
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
t
s
t
f
t
c
Storage Time
Fall Time
Crossover Time
V
CC
= 50 V V
Clamp
= 450 V
I
C
= 30 A I
B1
= 6 A
V
BB
= -5 V L
C
= 80
H
R
BB
= 0.4
T
j
= 100
o
C
2.75
0.12
0.44
4.5
0.4
0.7
s
s
s
V
CEW
Maximum Collector
Emitter Voltage
without Snubber
V
CC
= 50 V I
CW off
= 45 A
V
BB
= -5 V I
B1
= 6 A
L
C
= 55
H R
BB
= 0.4
T
j
= 125
o
C
450
V
* Pulsed : Pulse duration = 300 ms, duty cycle = 2%
BUX348
2/4
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of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is
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subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
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2003 STMicroelectronics Printed in Italy All Rights Reserved
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BUX348
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