BUW48
BUW49

HIGH POWER NPN SILICON TRANSISTORS
a73 SGS-THOMSON PREFERRED SALESTYPES
a73 NPN TRANSISTOR
a73 HIGH CURRENT CAPABILITY
a73 FAST SWITCHING SPEED
a73 VERY LOW SATURATION VOLTAGE AND
HIGH GAIN
APPLICATION
a73 SWITCHING REGULATORS
a73 MOTOR CONTROL
a73 HIGH FREQUENCY AND EFFICENCY
CONVERTERS
DESCRIPTION
The BUW48 and BUW49 are Multiepitaxial planar
NPN transistor in TO-218 plastic package.
It’s intented for use in high frequency and
efficiency converters such us motor controllers
and industrial equipment.
INTERNAL SCHEMATIC DIAGRAM
July 1997
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
BUW48 BUW49 Unit
V
CEV
Collector-emitter Voltage (V
BE
= -1.5V) 120 160 V
V
CEO
Collector-emitter Voltage (I
B
= 0) 60 80 V
V
EBO
Emitter-Base Voltage (I
C
= 0) 7 V
I
C
Collector Current 30 A
I
CM
Collector Peak Current 45 40 A
I
B
Base Current 8 6 A
I
BM
Base Peak Current 12 10 A
P
tot
Total Power Dissipation at T
case
< 25
o
C 150 W
T
stg
Storage Temperature -65 to 175
o
C
T
j
Max Operating Junction Temperature 175
o
C
1
2
3
TO-218
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