BUX85 NPN 450V 3A 50W TO-220

Switch-mode NPN Silicon
Power Transistors
The BUX85G is designed for high voltage, high speed power
switching applications like converters, inverters, switching regulators,
motor control systems.
Features
• These Devices are Pb-Free and are RoHS Compliant*
MAXIMUM RATINGS
Rating Symbol Value Unit
Collector-Emitter Voltage VCEO(sus) 450 Vdc
Collector-Emitter Voltage VCES 1000 Vdc
Emitter-Base Voltage VEBO 5 Vdc
Collector Current - Continuous IC 2 Adc
Collector Current - Peak (Note 1) ICM 3.0 Adc
Base Current - Continuous IB 0.75 Adc
Base Current - Peak (Note 1) IBM 1.0 Adc
Reverse Base Current - Peak IBM 1 Adc
Total Device Dissipation @ TC = 25C
Derate above 25°C
PD 50
0.4
W
W/C
Operating and Storage Junction
Temperature Range
TJ, Tstg -65 to +150 C
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
1. Pulse Test: Pulse Width = 5 ms, Duty Cycle = 10%.
THERMAL CHARACTERISTICS
Characteristics Symbol Max Unit
Thermal Resistance, Junction-to-Case RJC 2.5 C/W
Thermal Resistance, Junction-to-Ambient RJA 62.5 C/W
Maximum Lead Temperature for Soldering
Purposes 1/8? from Case for 5 Seconds
TL 275 C
*For additional information on our Pb-Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
2.0 AMPERES
POWER TRANSISTOR
NPN SILICON
450 VOLTS, 50 WATTS