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STMicroelectronics Electronic Components Datasheet

BUL742C Datasheet

HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

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BUL742C pdf
BUL742C
BULB742C
High voltage fast-switching
NPN power transistor
Features
Low spread of dynamic parameters
High voltage capability
Minimum lot-to-lot spread for reliable operation
Very high switching speed
Applications
Electronic ballast for fluorescent lighting
Switch mode power supplies
Description
The devices are manufactured using high voltage
multi-epitaxial planar technology for high
switching speeds and high voltage capability.
Thanks to an increased intermediate layer, it has
an intrinsic ruggedness which enables the
transistor to withstand an high collector current
level during breakdown condition, without using
the transil protection usually necessary in typical
converters for lamp ballast.
TAB
3
2
1
TO-220
TAB
123
I²PAK
3
2
1
TO-220FP
TAB
3
1
D²PAK
Figure 1. Internal schematic diagram
Table 1. Device summary
Order codes
Markings
BUL742C
BUL742C
BUL742CFP
BUL742CFP
BULB742C-1
BULB742C
BULB742CT4
BULB742C
November 2010
Packages
TO-220
TO-220FP
I²PAK
D²PAK
Doc ID 9488 Rev 4
Packaging
Tube
Tape and reel
1/14
www.st.com
14


STMicroelectronics Electronic Components Datasheet

BUL742C Datasheet

HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

No Preview Available !

BUL742C pdf
Electrical ratings
1 Electrical ratings
BUL742C, BULB742C
Table 2. Absolute maximum ratings
Symbol
Parameter
TO-220 /
D²PAK / I²PAK
TO-220FP
VCES
VCEO
VEBO
IC
ICM
IB
IBM
PTOT
TSTG
VISO
TJ
Collector-emitter voltage (VBE = 0)
Collector-emitter voltage (IB = 0)
Emitter-base voltage (IC = 0, IB = 2 A, tp < 10 ms)
Collector current
Collector peak current (tP < 5 ms)
Base current
Base peak current (tP < 5 ms)
Total dissipation at Tc = 25 °C
Storage temperature
Isolation withstand voltage (RMS) from all three
leads to external heatsink
Max. operating junction temperature
1050
400
V(BR)EBO
4
8
2
4
70 30
-65 to 150
1500
150
Unit
V
V
V
A
A
A
A
W
°C
V
°C
Table 3. Thermal data
Symbol
Parameter
RthJC Thermal resistance junction - case
RthJA Thermal resistance junction - ambient
TO-220/D²PAK/I²PAK TO-220FP Unit
1.79 4.17 °C/W
62.5 62.5 °C/W
2/14 Doc ID 9488 Rev 4


Part Number BUL742C
Description HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
Maker ST Microelectronics
Total Page 14 Pages
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