BUL59
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
APPLICATIONS
a73 ELECTRONIC TRANSFORMERS FOR
HALOGEN LAMPS
a73 SWITCH MODE POWER SUPPLIES
DESCRIPTION
The BUL59 is manufactured using high voltage
Multi Epitaxial Mesa technology to enhance
switching speeds while maintaining wide RBSOA.
The BUL series is designed for use in lighting
applications and low cost switch-mode power
supplies.
®
INTERNAL SCHEMATIC DIAGRAM
June 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) 400 V
VEBO Emitter-Base Voltage (IC = 0) 9 V
IC Collector Current 8 A
ICM Collector Peak Current (tp <5 ms) 16 A
I
B
Base Current 4 A
I
BM
Base Peak Current (t
p
<5 ms) 8 A
P
tot
Total Dissipation at Tc = 25
o
C90W
Tstg Storage Temperature -65 to 150
o
C
Tj Max. Operating Junction Temperature 150
o
C
1
2
3
TO-220
1/6