1/7September 2003
BULB49D
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTOR
a73 HIGH VOLTAGE CAPABILITY
a73 LOW SPREAD OF DYNAMIC PARAMETERS
a73 MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION
a73 VERY HIGH SWITCHING SPEED
a73 HIGH RUGGEDNESS
a73 SURFACE MOUNTING TO-263 (D
2
PAK)
POWER PACKAGE IN TAPE & REEL
(SUFFIX “T4”)
APPLICATIONS:
a73 ELECTRONIC TRANSFORMERS FOR
HALOGEN LAMPS
a73 FLYBACK AND FORWARD SINGLE
TRANSISTOR LOW POWER CONVERTERS
DESCRIPTION
The device is manufactured using High Voltage
Multi Epitaxial Planar technology for high switching
speeds and high voltage capability.
The BULB49D is designed for use in electronic
transformers for halogen lamps.
ABSOLUTE MAXIMUM RATINGS
Ordering Code Marking Package / Shipment
BULB49DT4 BULB49D
D
2
PAK / Tape & Reel
Symbol Parameter Value Unit
V
CES
Collector-Emitter Voltage (V
BE
= 0) 850 V
V
CEO
Collector-Emitter Voltage (I
B
= 0) 450 V
V
EBO
Emitter-Base Voltage (I
C
= 0, I
B
< 2 A, t
p
< 10 ms) V
(BR)EBO
V
I
C
Collector Current 5 A
I
CM
Collector Peak Current (t
p
< 5 ms) 10 A
I
B
Base Current 2 A
I
BM
Base Peak Current (t
p
< 5 ms) 4A
P
tot
Total Dissipation at T
c
= 25 °C 80 W
T
stg
Storage Temperature –65 to 150 °C
T
j
Max. Operating Junction Temperature 150 °C
TO-263
D
2
PAK
(Suffix ”T4”)
1
3
INTERNAL SCHEMATIC DIAGRAM