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BUH50G Datasheet PDF : 8 Pages
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BUH50G
SWITCHMODEt NPN
Silicon Planar Power
Transistor
The BUH50G has an application specific state−of−art die designed
for use in 50 Watts HALOGEN electronic transformers and
SWITCHMODE applications.
Features
• Improved Efficiency Due to Low Base Drive Requirements:
High and Flat DC Current Gain hFE
Fast Switching
• ON Semiconductor Six Sigma Philosophy Provides Tight and
Reproductible Parametric Distributions
• Specified Dynamic Saturation Data
• Full Characterization at 125°C
• These Devices are Pb−Free and are RoHS Compliant*
MAXIMUM RATINGS
Rating
Symbol Value
Unit
Collector−Emitter Sustaining Voltage
Collector−Base Breakdown Voltage
Collector−Emitter Breakdown Voltage
Emitter−Base Voltage
Collector Current − Continuous
− Peak (Note 1)
Base Current
− Continuous
− Peak (Note 1)
Total Device Dissipation @ TC = 25_C
Derate above 25°C
VCEO
VCBO
VCES
VEBO
IC
ICM
IB
IBM
PD
500
Vdc
800
Vdc
800
Vdc
9
Vdc
4
Adc
8
2
Adc
4
50
W
0.4
W/_C
Operating and Storage Temperature
THERMAL CHARACTERISTICS
TJ, Tstg −65 to 150 _C
Characteristics
Thermal Resistance, Junction−to−Case
Thermal Resistance, Junction−to−Ambient
Maximum Lead Temperature for Soldering
Purposes 1/8″ from Case for 5 Seconds
Symbol
RqJC
RqJA
TL
Max
2.5
62.5
260
Unit
_C/W
_C/W
_C
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. Pulse Test: Pulse Width = 5 ms, Duty Cycle ≤ 10%.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2010
1
April, 2010 − Rev. 5
http://onsemi.com
POWER TRANSISTOR
4 AMPERES
800 VOLTS, 50 WATTS
TO−220AB
CASE 221A−09
STYLE 1
123
MARKING DIAGRAM
BUH50G
AY WW
BUH50
A
Y
WW
G
= Device Code
= Assembly Location
= Year
= Work Week
= Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping
BUH50G
TO−220
(Pb−Free)
50 Units / Rail
Publication Order Number:
BUH50/D
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