BULB39D
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTOR
a73 NPN TRANSISTOR
a73 HIGH VOLTAGE CAPABILITY
a73 MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION
a73 VERY HIGH SWITCHING SPEED
a73 HIGH RUGGEDNESS
a73 SURFACE-MOUNTING D
2
PAK (TO-263)
POWER PACKAGE IN TAPE & REEL (Suffix
"T4")
APPLICATIONS
a73 ELECTRONIC TRANSFORMERS FOR
HALOGEN LAMPS
a73 SWITCH MODE POWER SUPPLIES
DESCRIPTION
The BULB39D is manufactured using high
voltage Multi Epitaxial Planar technology to
enhance switching speeds while maintaining wide
RBSOA.
The BUL series is designed for use in electronics
transformers for halogen lamps.
®
INTERNAL SCHEMATIC DIAGRAM
August 2001
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
CES
Collector-Emitter Voltage (V
BE
= 0) 850 V
V
CEO
Collector-Emitter Voltage (I
B
= 0) 450 V
VEBO Emitter-Base Voltage (IC = 0) 9 V
IC Collector Current 4 A
ICM Collector Peak Current (tp <5 ms) 8 A
I
B
Base Current 2 A
I
BM
Base Peak Current (t
p
<5 ms) 4 A
P
tot
Total Dissipation at T
c
= 25
o
C70W
T
stg
Storage Temperature -65 to 150
o
C
T
j
Max. Operating Junction Temperature 150
o
C
1
3
D
2
PAK
(TO-263)
(Suffix "T4")
1/6