BUX98A
High power NPN transistor
Features
■
■
■
High voltage capability
High current capability
Fast switching speed
1
Applications
■
■
High frequency and efficency converters
Linear and switching industrial equipment
Description
The BUX98A is a multi-epitaxial mesa NPN
transistor in TO-3 metal case, intended for
industrial applications from single and three-
phase mains operation.
bs
O
et
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ro
P
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d
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t(
O
-
Figure 1.
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b
te
le
ro
P
2
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d
s)
t(
TO-3
Type R
Internal schematic diagram
Table 1.
Device summary
Marking
BUX98A
Package
TO-3
Packaging
Tray
Order codes
BUX98A
November 2008
Rev 5
1/11
www.st.com
11
Content
BUX98A
Content
1
2
Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
4
5
Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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t(
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so
b
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t(
2/11
BUX98A
Electrical ratings
1
Electrical ratings
Table 2.
Symbol
V
CER
V
CES
V
CEO
V
EBO
I
C
I
CM
I
CP
I
B
I
BM
P
TOT
T
stg
T
J
Absolute maximum ratings
Parameter
Collector-emitter voltage (R
BE
≤
10
Ω)
Collector-emitter voltage (V
BE
= 0)
Collector-emitter voltage (I
B
= 0)
Emitter-base voltage (I
C
= 0)
Collector current
Collector peak current (t
p
≤
5ms)
Collector peak current non repetitive (t
p
≤
20
µs)
Base current
Base peak current (t
p
≤
5ms)
Total power dissipation at T
c
= 25 °C
Storage temperature
Max. operating junction temperature
Value
1000
1000
450
7
30
60
80
Unit
V
V
V
Table 3.
Symbol
Thermal data
R
thj-case
Thermal resistance junction-case max.
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et
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t(
Parameter
O
-
s
b
te
le
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P
8
30
250
200
du
ct
s)
(
A
A
A
A
A
W
°C
V
-65 to 200
Value
0.7
Unit
°C/W
3/11
Electrical characteristics
BUX98A
2
Electrical characteristics
(T
case
= 25
°C; unless otherwise specified)
Table 4.
Symbol
I
CES
I
CER
I
CEO
I
EBO
V
CEO(sus)
(1)
Electrical characteristics
Parameter
Collector cut-off current
(V
BE
= 0)
Collector cut-off current
(R
BE
= 10
Ω)
Collector cut-off current
(I
B
= 0)
Emitter cut-off current
(I
C
= 0)
Test conditions
V
CE
= 1000 V
V
CE
= 1000 V T
C
= 125 °C
V
CE
= 1000 V
V
CE
= 1000 V T
C
= 125 °C
V
CE
= 1000 V
V
EB
= 5 V
Min.
Typ.
Max.
400
4
1
8
Unit
µA
mA
µA
µA
Collector-emitter
I = 200 mA
sustaining voltage (I
B
= 0)
C
Collector-emitter
sustaining voltage
(R
BE
= 10
Ω)
Collector-emitter
saturation voltage
Base-emitter saturation
voltage
Resistive load
Turn-on time
Storage time
Fall time
I
C
= 1 A
V
CER(sus)(1)
V
CE(sat)(1)
V
BE(sat)(1)
bs
O
et
l
o
1. Pulsed duration = 300 µs, duty cycle
≤
1.5%
ro
P
e
t
on
t
s
t
f
uc
d
s)
t(
O
-
I
C
= 16 A
I
C
= 24 A
I
C
= 16 A
so
b
te
le
ro
P
450
uc
d
s)
t(
2
2
mA
mA
V
L= 2 mH 1000
1.5
5
1.6
1
3
0.8
V
V
V
V
µs
µs
µs
I
B
= 3.2 A
I
B
= 5 A
I
B
= 3.2 A
V
CC
= 150 V
I
C
= 16 A
I
B(on)
= -I
B(off)
= 3.2 A
4/11
BUX98A
Electrical characteristics
2.1
Figure 2.
Electrical characteristics (curves)
Safe operating area
Figure 3.
Derating curve
Figure 4.
h
FE
DC current gain
AM03275v1
Figure 5.
V
CE
= 5 V
60
T
j
= 125 °C
T
j
= 25 °C
40
20
bs
O
Figure 6.
et
l
o
V
BE(sat)
(V)
1.5
1
0
0.1
ro
P
e
1
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d
10
s)
t(
I
C
(A)
O
-
so
b
V
CE(sat)
(V)
1
te
le
h
FE
= 5
Collector-emitter saturation voltage
AM03276v1
ro
P
uc
d
s)
t(
T
j
= 125 °C
1.5
0.5
T
j
= 25 °C
0
0.1
1
10
I
C
(A)
Base-emitter saturation voltage
AM03277v1
Figure 7.
t
(ns)
Resistive load switching times (on)
AM03278v1
h
FE
= 5
1000
VCC = 150 V, VBE(off) = -5 V,
IB(on) = -IB(off), hFE = 5
Rise time
T
j
= 25 °C
T
j
= 125 °C
0.5
Delay time
0
0.1
1
10
I
C
(A)
10
0
5
10
15
20
25
I
C
(A)
100
5/11
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