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D44H8 - D44H11 D45H8 - D45H11
Complementary power transistors
Features

.
Low collector-emitter saturation voltage Fast switching speed
TAB
Applications

Power amplifier Switching circuits TO-220
1 2
3
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
Table 1.
Device summary
Marking D44H8 D44H11 D45H8 D45H11 Polarity NPN NPN PNP PNP Package TO-220 TO-220 TO-220 TO-220 Packaging Tube Tube Tube Tube
Order codes D44H8 D44H11 D45H8 D45H11
October 2009
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Absolute maximum ratings
D44H8, D44H11, D45H8, D45H11
1
Absolute maximum ratings
Table 2.
Symbol VCEO VEBO IC ICM PTOT TSTG TJ
Absolute maximum ratings
Parameter Collector-emitter voltage (IB = 0) D44H8 - D45H8 Collector-emitter voltage (IB = 0) D44H11 - D45H11 Emitter-base voltage (IC = 0) Collector current Collector peak current Total dissipation at Tcase = 25 C Storage temperature Max. operating junction temperature Value 60 80 5 10 20 50 -55 to 150 150 Unit V V V A A W C C
Note:
For PNP types voltage and current values are negative. Table 3.
Symbol RthJC RthJA
Thermal data
Parameter Thermal resistance junction-case max Thermal resistance junction-ambient max Value 2.5 62.5 Unit C/W C/W
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Electrical characteristics
2
Electrical characteristics
Tcase = 25 C; unless otherwise specified. Table 4.
Symbol
(1)
Electrical characteristics
Parameter Collector-emitter sustaining voltage (IB = 0) Collector cut-off current (VBE = 0) Emitter cut-off current (IC = 0) Test conditions IC = 100 mA D44H8 - D45H8 D44H11 - D45H11 VCE = rated VCEO VEB = 5 V IB = 0.4 A IB = 0.8 A VCE = 1 V VCE = 1 V 60 40 Min. Typ. Max. Unit
VCEO(sus)
60 80
-
V
ICES IEBO VCE(sat)(1) VBE(sat)(1) hFE(1)
-
10 100 1 1.5
A A V V
Collector-emitter saturation IC = 8 A voltage Base-emitter saturation voltage DC current gain IC = 8 A IC = 2 A_ IC = 4 A_ _
1. Pulse test: pulse duration 300 s, duty cycle 2 %.
Note:
For PNP types voltage and current values are negative.
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Electrical characteristics
D44H8, D44H11, D45H8, D45H11
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)
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Package mechanical data
3
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark.
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Package mechanical data
D44H8, D44H11, D45H8, D45H11
TO-220 type A mechanical data
mm Dim Min A b b1 c D D1 E e e1 F H1 J1 L L1 L20 L30 P Q 4.40 0.61 1.14 0.48 15.25 1.27 10 2.40 4.95 1.23 6.20 2.40 13 3.50 16.40 28.90 3.75 2.65 3.85 2.95 10.40 2.70 5.15 1.32 6.60 2.72 14 3.93 Typ Max 4.60 0.88 1.70 0.70 15.75
0015988_Rev_S
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Revision history
4
Revision history
Table 5.
Date 21-Jun-2004 20-Oct-2009
Document revision history
Revision 4 5 Changes Document migration, no content change. Updated mechanical data.
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