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BULB742C

Description
4 A, 400 V, NPN, Si, POWER TRANSISTOR, TO-220AB
Categorysemiconductor    Discrete semiconductor   
File Size263KB,12 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
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BULB742C Overview

4 A, 400 V, NPN, Si, POWER TRANSISTOR, TO-220AB

BULB742C Parametric

Parameter NameAttribute value
Number of terminals3
Transistor polarityNPN
Maximum collector current4 A
Maximum Collector-Emitter Voltage400 V
Processing package descriptionROHS COMPLIANT, TO-220, 3 PIN
Lead-freeYes
EU RoHS regulationsYes
stateACTIVE
packaging shapeRectangle
Package SizeFlange mounting
Terminal formTHROUGH-hole
terminal coatingtin
Terminal locationsingle
Packaging MaterialsPlastic/Epoxy
structuresingle
Shell connectionCOLLECTOR
Number of components1
transistor applicationsswitch
Transistor component materialssilicon
Transistor typeuniversal power supply
Minimum DC amplification factor25
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
3
1
2
Applications
3
12
Electronic ballast for fluorescent lighting
Switch mode power supplies
TO-220
I
2
PAK
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
Table 1.
Device summary
Marking
BUL742C
BULB742C
Package
TO-220
I
2
PAK
Tube
Packaging
Order code
BUL742C
BULB742C-1
May 2008
Rev 3
1/12
www.st.com
12

BULB742C Related Products

BULB742C BUL742C_08
Description 4 A, 400 V, NPN, Si, POWER TRANSISTOR, TO-220AB 4 A, 400 V, NPN, Si, POWER TRANSISTOR, TO-220AB
Number of terminals 3 3
Transistor polarity NPN NPN
Maximum collector current 4 A 4 A
Maximum Collector-Emitter Voltage 400 V 400 V
Processing package description ROHS COMPLIANT, TO-220, 3 PIN ROHS COMPLIANT, TO-220, 3 PIN
Lead-free Yes Yes
EU RoHS regulations Yes Yes
state ACTIVE ACTIVE
packaging shape Rectangle Rectangle
Package Size Flange mounting Flange mounting
Terminal form THROUGH-hole THROUGH-hole
terminal coating tin tin
Terminal location single single
Packaging Materials Plastic/Epoxy Plastic/Epoxy
structure single single
Shell connection COLLECTOR COLLECTOR
Number of components 1 1
transistor applications switch switch
Transistor component materials silicon silicon
Transistor type universal power supply universal power supply
Minimum DC amplification factor 25 25
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