High voltage fast-switching NPN power transistor
Features
■ High voltage capability
■ Low spread of dynamic parameters
■ Minimum lot-to-lot spread for reliable operation
■ Very high switching speed
■ High ruggedness
■ Fully characterized at 125 °C
■ Integrated antiparallel collector-emitter diode
Applications
TO-220
BUL38D
3
2
1
■ Electronic transformers for halogen lamps
■ Switch mode power supplies
Description
The BUL38D is manufactured using high voltage
multi epitaxial planar technology for high switching
speeds and high voltage capability.
The device is designed for use in electronic
transformer for halogen lamps.
Table 1. Device summary
Order code Marking
(1)
Figure 1. Internal schematic diagram
Package Packaging
BUL38D
BUL38D A
or
TO-220 Tube
BUL38D B
1. Product is pre-selected in DC current gain (group A and group B). STMicroelectronics reserves the right to ship either
groups according to production availability. Please contact your nearest STMicroelectronics sales office for delivery details.
June 2009 Doc ID 7176 Rev 3 1/10
www.st.com
10
Electrical ratings BUL38D
1 Electrical ratings
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
V
V
V
CES
CEO
EBO
I
I
CM
I
I
BM
P
T
T
C
B
tot
stg
Collector-emitter voltage (VBE = 0) 800 V
Collector-emitter voltage (IB = 0) 450 V
Emitter-base voltage (IC = 0) 9 V
Collector current 5 A
Collector peak current (tP < 5 ms) 10 A
Base current 2 A
Base peak current (tP < 5 ms) 4 A
Total dissipation at Tc ≤ 25 °C 80 W
Storage temperature -65 to 150 °C
Max. operating junction temperature 150 °C
J
Table 3. Thermal data
Symbol Parameter Value Unit
R
R
thJC
thJA
Thermal resistance junction-case max 1.56 °C/W
Thermal resistance junction-ambient max 62.5 °C/W
2/10 Doc ID 7176 Rev 3
BUL38D 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
CEO
V
CEO(sus)
V
EBO
V
CE(sat)
V
BE(sat)
h
FE
(1)(2)
t
s
t
f
t
s
t
f
t
s
t
f
Collector cut-off current
(VBE = 0)
Collector cut-off current
(IB =0)
Collector-emitter
(1)
sustaining voltage (IB = 0)
Emitter-base voltage
= 0)
(I
C
Collector-emitter
(1)
saturation voltage
Base-emitter saturation
(1)
voltage
DC current gain
Resistive load
Storage time
Fall tim e
Inductive load
Storage time
Fall tim e
Inductive load
Storage time
Fall tim e
V
= 800 V
CE
V
= 800 V Tc = 125 °C
CE
V
= 450 V 250 µA
CE
=100 mA 450 V
I
C
= 10 mA 9 V
I
E
= 1 A _ _ IB = 0.2 A
I
C
= 2 A _ IB = 0.4 A
I
C
= 3 A __ IB = 0.75 A
I
C
= 1 A _ _IB = 0.2 A
I
C
= 2 A _ IB = 0.4 A
I
C
I
= 10 mA V
C
= 0.5 A V
I
C
IC = 2 A V
Group A
Group B
= 150 V IC = 2.5 A
V
CC
I
B(on)
= 30 µs
t
P
= -I
B(off)
= 0.5 A
IC = 2 A I
V
V
I
V
V
= -5 V R
BE(off)
= 250 V L = 200 µH
CL
= 2 A I
C
= -5 V R
BE(off)
= 250 V L = 200 µH
CL
CE
CE
CE
B(on)
BB(off)
B(on)
BB(off)
= 5 V
= 5 V
= 5 V
= 0.4 A
=0
= 0.4 A
=0
10
13
22
12.2
100
1
55
1.3
100
500µAµA
0.5
0.7
1.1
1.1
1.2
60
23
32
0.8
1.8
100µsns
TC = 125 °C
V
V
V
V
V
µs
µs
µs
ns
V
1. Pulsed duration = 300 µs, duty cycle ≤ 1.5%.
2. The product is pre-selected in DC current gain (Group A and Group B). STMicroelectronics reserves the
right to ship either groups according to production availability. Please contact your nearest
STMicrolectronics sales office for delivery details.
Diode forward voltage IF = 2 A 1.5 V
F
Doc ID 7176 Rev 3 3/10
Electrical characteristics BUL38D
2.1 Electrical characteristics (curves)
Figure 2. Safe operating area Figure 3. Derating curves
Figure 4. Output characteristics Figure 5. Reverse biased safe
operating area
Figure 6. DC current gain (VCE = 1.5 V) Figure 7. DC current gain (VCE = 5 V)
4/10 Doc ID 7176 Rev 3
BUL38D Electrical characteristics
Figure 8. Collector-emitter saturation
Figure 10. Inductive load storage time Figure 11. Inductive load fall time
Voltage
Figure 9. Base-emitter saturation
voltage
Doc ID 7176 Rev 3 5/10
Electrical characteristics BUL38D
2.2 Test circuits
Figure 12. Inductive load switching test circuit
1. Fast electronic switch
2. Non-inductive resistor
3. Fast recovery rectifier
Figure 13. Resistive load switching test circuit
1. Fast electronic switch
2. Non-inductive resistor
6/10 Doc ID 7176 Rev 3
BUL38D Package mechanical data
3 Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK®
®
is an ST trademark.
Doc ID 7176 Rev 3 7/10
Package mechanical data BUL38D
TO-220 mechanical data
Dim
Min Typ Max Min Typ Max
mm inch
A 4.40 4.60 0.173 0.181
b 0.61 0.88 0.024 0.034
b1 1.14 1.70 0.044 0.066
c0.48 0.70 0.019 0.027
D 15.25 15.75 0.6 0.62
D1 1.27 0.050
E 10 10.40 0.393 0.409
e 2.40 2.70 0.094 0.106
e1 4.95 5.15 0.194 0.202
F1.23 1.32 0.048 0.051
H1 6.20 6.60 0.244 0.256
J1 2.40 2.72 0.094 0.107
L13 14 0.511 0.551
L1 3.50 3.93 0.137 0.154
L20 16.40 0.645
L3028.90 1.137
∅P 3.75 3.85 0.147 0.151
Q2.65 2.95 0.104 0.116
8/10 Doc ID 7176 Rev 3
BUL38D Revision history
4 Revision history
Table 5. Document revision history
Date Revision Changes
16-Jun-2004 2 Document migration, no content change.
23-Jun-2009 3 Updated TO-220 mechanical data.
Doc ID 7176 Rev 3 9/10
BUL38D
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10/10 Doc ID 7176 Rev 3
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