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BUL742C Datasheet(PDF) 1 Page - STMicroelectronics

Part # BUL742C
Description  High voltage fast-switching NPN power transistor
PDF  12 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BUL742C Datasheet(HTML) 1 Page - STMicroelectronics

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May 2008
Rev 3
1/12
12
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 device is 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.
Figure 1.
Internal schematic diagram
TO-220
I2PAK
1
2
3
1
2
3
Table 1.
Device summary
Order code
Marking
Package
Packaging
BUL742C
BUL742C
TO-220
Tube
BULB742C-1
BULB742C
I2PAK
www.st.com


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