BUL49D
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTOR
n NPN TRANSISTOR
n HIGH VOLTAGE CAPABILITY
n LOW SPREAD OF DYNAMIC PARAMETERS
n MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION
n VERY HIGH SWITCHING SPEED
n HIGH RUGGEDNESS
APPLICATIONS
n ELECTRONIC TRANSFORMERS FOR
HALOGEN LAMPS
n FLYBACK AND FORWARD SINGLE
TRANSISTOR LOW POWER CONVERTERS
DESCRIPTION
The BUL49D is manufactured using high voltage
Multi Epitaxial Planar technology for high
switching speeds and medium voltage capability.
The BUL49D is designed for use in electronic
transformers for halogen lamps.
INTERNAL SCHEMATIC DIAGRAM
June 2000
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
CES
Collector-Emitter Voltage (V
BE
= 0) 850 V
VCEO Collector-Emitter Voltage (IB = 0) 450 V
V
EBO
Emitter-Base Voltage
(IC =0, IB <2.5A, tp <10µs, TJ <150
o
C)
BV
EBO
V
IC Collector Current 5 A
I
CM
Collector Peak Current (t
p
<5ms) 10 A
IB Base Current 2 A
I
BM
Base Peak Current (t
p
<5ms) 4 A
Ptot Total Dissipation at Tc = 25
o
C8W
stg
Storage Temperature -65 to 150
o
C
Tj Max. Operating Junction Temperature 150
o
C
1
2
3
TO-220

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