BUX348
FAST-SWITCHING POWER TRANSISTOR
a73 STMicroelectronics PREFERRED
SALESTYPE
a73 NPN TRANSISTOR
a73 HIGH VOLTAGE
a73 FAST SWITCHING
a73 OFF-LINE APPLICATIONS TO 380V
APPLICATIONS
a73 SWITCH MODE POWER SUPPLIES
a73 UNINTERRUPTABLE POWER SUPPLY
a73 DC AND AC MOTOR CONTROL
®
INTERNAL SCHEMATIC DIAGRAM
March 2003
1
2
TO-3
(version "S")
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCEV Collector-Emitter Voltage (VBE = -1.5 V) 850 V
V
CEO
Collector-Emitter Voltage (I
B
= 0) 450 V
V
EBO
Emitter-Base Voltage (I
C
= 0) 7 V
I
C
Collector Current 45 A
I
CM
Collector Peak Current 60 A
I
B
Base Current 9 A
I
BM
Base Peak Current (t
p
< 5 ms) 15 A
Ptot Total Power Dissipation at T
case
≤ 25
o
C 300 W
Tstg Storage Temperature -65 to 200
o
C
T
j
Junction Temperature 200
o
C
1/4