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D44H8
D44H11

NPN SILICON POWER TRANSISTORS
s SGS-THOMSON PREFERRED SALESTYPES
s LOW COLLECTOR-EMITTER SATURATION
VOLTAGE
s FAST SWITCHING SPEED

APPLICATIONS
s GENERAL PURPOSE SWITCHING
s GENERAL PURPOSE AMPLIFIER
3
DESCRIPTION 2
1
The D44H8, and D44H11 are silicon
multiepitaxial planar NPN transistors mounted in
Jedec TO-220 plastic package. TO-220
They are inteded for various switching and
general purpose applications.
D44H8, D44H11 are complementary with D45H8,
D45H11.

INTERNAL SCHEMATIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Uni t
D44H8 D44H11
V CEO Collector-Emitter Voltage (I B = 0) 60 80 V
V EBO Emitter-Base Voltage (I C = 0) 5 V
IC Collector Current 10 A
I CM Collector Peak Current 20 A
o
P t ot Total Dissipation at T c 25 C 50 W
o
T stg Storage Temperature -65 to 150 C
o
Tj Max. O perating Junction Temperature 150 C

June 1997 1/5
D44H8/D44H11

THERMAL DATA
o
R t hj-ca se Thermal Resistance Junction-case Max 2.5 C/W

ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)
Symb ol Parameter Test Cond ition s Min. Typ . Max. Un it
I CBO Collector Cut-off V CB = rated V CEO 10