BU505 Datasheet, PDF (1/4 Pages) NXP Semiconductors – Silicon diffused power transistors

BU505
HIGH VOLTAGE NPN MULTIEPITAXIAL
FAST-SWITCHING TRANSISTOR
s HIGH VOLTAGE CAPABILITY
s VERY HIGH SWITCHING SPEED
s LOW BASE-DRIVE REQUIREMENTS
APPLICATIONS
s ELECTRONIC BALLASTS FOR
FLUORESCENT LIGHTING
s SWITCH MODE POWER SUPPLIES
DESCRIPTION
The BU505 is a high voltage NPN fastswitching
transistor designed to be used in lighting
application, like electronic ballas for fluorescent
lamps.
Its characteristics make it also ideal for power
supplies.
3
2
1
TO-220
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
VCES
VCEO
IC
ICM
IB
IBM
Ptot
Tstg
Tj
Parameter
Collector-Emitter Voltage (VBE = 0)
Collector-Emitter Voltage (IB = 0)
Collector Current
Collector Peak Current (tp < 5 ms)
Base Current
Base Peak Current (tp < 5 ms)
Total Dissipation at Tc ≤ 25 ^oC
Storage Temperature
Max. Operating Junction Temperature
July 1997
Value
1500
700
2.5
4
1
2
75
-65 to 150
150
Unit
V
V
A
A
A
A
W
o_C
o_C
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