October 2009 Doc ID 4213 Rev 5 1/8
8
D44H8 - D44H11
D45H8 - D45H11
Complementary power transistors
Features
■Low collector-emitter saturation voltage
■Fast switching speed
Applications
■Power amplifier
■Switching circuits
Description
The devices are manufactured in low voltage multi
epitaxial planar technology. They are intended for
general purpose linear and switching applications.
.
Figure 1. Internal schematic diagram
TO-220
123
TAB
Table 1. Device summary
Order codes Marking Polarity Package Packaging
D44H8 D44H8 NPN TO-220 Tube
D44H11 D44H11 NPN TO-220 Tube
D45H8 D45H8 PNP TO-220 Tube
D45H11 D45H11 PNP TO-220 Tube
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Absolute maximum ratings D44H8, D44H11, D45H8, D45H11
2/8 Doc ID 4213 Rev 5
1 Absolute maximum ratings
Note: For PNP types voltage and current values are negative.
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
VCEO
Collector-emitter voltage (IB = 0) D44H8 - D45H8 60 V
Collector-emitter voltage (IB = 0) D44H11 - D45H11 80 V
VEBO Emitter-base voltage (IC = 0) 5 V
ICCollector current 10 A
ICM Collector peak current 20 A
PTOT Total dissipation at Tcase = 25 °C 50 W
TSTG Storage temperature -55 to 150 °C
TJMax. operating junction temperature 150 °C
Table 3. Thermal data
Symbol Parameter Value Unit
RthJC Thermal resistance junction-case max 2.5 °C/W
RthJA Thermal resistance junction-ambient max 62.5 °C/W
D44H8, D44H11, D45H8, D45H11 Electrical characteristics
Doc ID 4213 Rev 5 3/8
2 Electrical characteristics
Tcase = 25 °C; unless otherwise specified.
Note: For PNP types voltage and current values are negative.
Table 4. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
VCEO(sus)(1)
1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 %.
Collector-emitter
sustaining voltage (IB = 0)
IC = 100 mA
D44H8 - D45H8
D44H11 - D45H11
60
80
-V
ICES
Collector cut-off current
(VBE = 0) VCE = rated VCEO -10µA
IEBO
Emitter cut-off current
(IC = 0) VEB = 5 V - 100 µA
VCE(sat)(1) Collector-emitter saturation
voltage IC = 8 A IB = 0.4 A - 1 V
VBE(sat)(1) Base-emitter saturation
voltage IC = 8 A IB = 0.8 A - 1.5 V
hFE(1) DC current gain IC = 2 A_ VCE = 1 V 60 -
IC = 4 A_ _ VCE = 1 V 40 -
Electrical characteristics D44H8, D44H11, D45H8, D45H11
4/8 Doc ID 4213 Rev 5
2.1 Electrical characteristics (curves)
Figure 2. Safe operating area Figure 3. Derating curve
Figure 4. DC current gain (NPN) Figure 5. DC current gain (PNP)
Figure 6. Collector-emitter saturation
voltage (NPN)
Figure 7. Collector-emitter saturation
voltage (PNP)
D44H8, D44H11, D45H8, D45H11 Package mechanical data
Doc ID 4213 Rev 5 5/8
3 Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Package mechanical data D44H8, D44H11, D45H8, D45H11
6/8 Doc ID 4213 Rev 5
TO-220 type A mechanical data
Dim mm
Min Typ Max
A 4.40 4.60
b0.61 0.88
b1 1.14 1.70
c0.480.70
D 15.25 15.75
D1 1.27
E10 10.40
e 2.40 2.70
e1 4.95 5.15
F1.231.32
H1 6.20 6.60
J1 2.40 2.72
L1314
L1 3.50 3.93
L20 16.40
L3028.90
∅P3.75 3.85
Q 2.65 2.95
0015988_Rev_S
D44H8, D44H11, D45H8, D45H11 Revision history
Doc ID 4213 Rev 5 7/8
4 Revision history
Table 5. Document revision history
Date Revision Changes
21-Jun-2004 4 Document migration, no content change.
20-Oct-2009 5 Updated mechanical data.
D44H8, D44H11, D45H8, D45H11
8/8 Doc ID 4213 Rev 5
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