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STW3040
High voltage fast-switching NPN power transistor
Features
■ High voltage capability
■ High DC current gain
■ Minimum lot-to-lot spread for reliable operation
■ Wide safe operating areas (forward and
reverse biased)
Applications
■ Switching mode power supplies
Description
The STW3040 is manufactured using diffused
collector in planar technology adopting base
island layout. The device is designed for use in
SMPS and desktop power supply.
.
3
2
1
TO-247
Figure 1. Internal schematic diagram
Table 1. Device summary
Order code Marking Package Packaging
STW3040 W3040 TO-247 Tube
October 2008 Rev 3 1/10
www.st.com
10
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Absolute maximum ratings STW3040
1 Absolute maximum ratings
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
V
V
V
I
I
P
T
Collector-emitter voltage (VCE = 0) 700 V
CES
Collector-emitter voltage (IB = 0) 400 V
CEO
Emitter-base voltage (IC = 0) 9 V
EBO
I
Collector current 30 A
C
Collector peak current 50 A
CM
Base current 10 A
I
B
Base peak current 15 A
BM
Total dissipation at Tc = 25°C 160 W
TOT
Storage temperature -65 to 150 °C
stg
Max. operating junction temperature 150 °C
T
J
Table 3. Thermal data
Symbol Parameters Value Unit
R
thj-case
Thermal resistance junction-case __ max 0.78 °C/W
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STW3040 Electrical characteristics
2 Electrical characteristics
(T
= 25°C; unless otherwise specified)
case
Table 4. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
I
CES
I
EBO
V
(BR)CEO
V
CE(sat)
V
BE(sat)
h
FE
Collector cut-off current
(VBE = 0)
Emitter cut-off current
= 0)
(I
C
Collector-emitter
breakdown (I
Collector-emitter
(1)
saturation voltage
Base-emitter saturation
(1)
voltage
(1)
DC current gain
= 0)
B
Resistive load
t
on
t
s
t
f
1. Pulse duration = 300 ms, duty cycle ≤ 1.5 %
Turn-on time
Storage time
Fall time
= 700 V
V
CE
V
= 9 V
EB
= 10 mA
I
C
= 6 A __ IB = 1.2 A
I
C
= 20 A _ IB = 4 A
I
C
= 6 A__ IB = 1.2 A
I
C
= 20 A _ IB = 4 A
I
C
IC = 10 mA V
= 6 A ___ _ V
I
C
= 20 A V
I
C
= 20 A V
I
C
= 4 A I
I
b(on)
CE
CE
CE
CC
b(off)
= 200 V
= 5 V
= 5 V
= 5 V
= -8 A
1mA
1mA
400 V
0.1
0.4 0.8
1.2
1.5
10
18
30 40
10
0.5
2.5
0.3
V
V
V
V
µs
µs
µs
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Electrical characteristics STW3040
2.1 Electrical characteristics (curves)
Figure 2. Safe operating area Figure 3. Derating curve
Figure 4. Reverse biased safe
operating area
Figure 5. Output characteristics
Figure 6. DC current gain Figure 7. DC current gain
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STW3040 Electrical characteristics
Figure 8. Collector-emitter saturation
voltage
Figure 10. Resistive load switching on
time
Figure 9. Base-emitter saturation
voltage
Figure 11. Resistive load switching off
time
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Test circuit STW3040
3 Test circuit
Figure 12. Resistive load switching test circuit
1) Fast electronic switch
2) Non-inductive resistor
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STW3040 Package mechanical data
4 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect . The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
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Package mechanical data STW3040
Dim.
mm.
Min. Typ Max.
A4.855.15
A1 2.20 2.60
b 1.0 1.40
b12.0 2.40
b2 3.0 3.40
c0.40 0.80
D19.85 20.15
E 15.45 15.75
e5.45
L 14.20 14.80
L1 3.70 4.30
L2 18.50
øP 3.55 3.65
øR 4.50 5.50
S 5.50
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STW3040 Revision history
5 Revision history
Table 5. Document revision history
Date Revision Changes
12-Dec-2007 1 Initial release
09-Oct-2008 2 Document status promoted from preliminary data to datasheet
23-Oct-2008 3 Test conditions changed for V
CE(sat) in
Table 4
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STW3040
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