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鈥?/div>
Improved Efficiency Due to the Low Base Drive Requirements:
鈥?High and Flat DC Current Gain hFE
鈥?Fast Switching
鈥?/div>
Robustness Thanks to the Technology Developed to Manufacture
this Device
鈥?/div>
Motorola 鈥? SIGMA鈥?Philosophy Providing Tight and Reproducible
Parametric Distributions
Designer鈥檚 and SWITCHMODE are trademarks of Motorola, Inc.
漏
Motorola, Inc. 1995
Motorola Bipolar Power Transistor Device Data
The BUH51 has an application specific state鈥搊f鈥揳rt die designed for use in
50 Watts Halogen electronic transformers.
This power transistor is specifically designed to sustain the large inrush current
during either the start鈥搖p conditions or under a short circuit across the load.
This High voltage/High speed product exhibits the following main features:
This document contains information on a new product. Specifications and information herein are subject to change without notice.
(1) Pulse Test: Pulse Width = 5 ms, Duty Cycle
鈮?/div>
10%.
Advance Information
SWITCHMODE NPN Silicon
Planar Power Transistor
SEMICONDUCTOR TECHNICAL DATA
MOTOROLA
THERMAL CHARACTERISTICS
MAXIMUM RATINGS
Maximum Lead Temperature for Soldering Purposes:
1/8鈥?from case for 5 seconds
Thermal Resistance
鈥?Junction to Case
鈥?Junction to Ambient
Operating and Storage Temperature
*Total Device Dissipation @ TC = 25
_
C
*Derate above 25擄C
Base Current 鈥?Continuous
Base Current
鈥?Peak (1)
Collector Current 鈥?Continuous
鈥?Peak (1)
Emitter鈥揃ase Voltage
Collector鈥揈mitter Breakdown Voltage
Collector鈥揃ase Breakdown Voltage
Collector鈥揈mitter Sustaining Voltage
Rating
Symbol
TJ, Tstg
VCBO
VCEO
VEBO
VCES
R
胃JC
R
胃JA
IC
ICM
IB
IBM
PD
TL
鈥?65 to 150
POWER TRANSISTOR
3 AMPERES
800 VOLTS
50 WATTS
Value
260
800
800
500
2.5
100
50
0.4
10
2
4
3
8
BUH51
CASE 77鈥?7
TO鈥?25AA TYPE
Order this document
by BUH51/D
Watt
W/
_
C
_
C/W
Unit
Adc
Adc
Vdc
Vdc
Vdc
Vdc
_
C
_
C
1
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