STFN42 Datasheet, PDF (1/10 Pages) STMicroelectronics – Very high switching speed

STFN42
High voltage fast-switching
NPN power transistor
Features
■ High voltage capability
■ Very high switching speed
t(s) ^Applications
c ^{■ Electronic ballasts for fluorescent lighting}
u _{■ Battery charger}
Prod ^Description
te ^{This device is a high voltage fast-switching NPN}
le ^{power transistor, manufactured using high voltage}
o ^{multi-epitaxial planar technology for high}
s _{switching speeds.}
Ob ^{It employs a cellular emitter structure with planar}
- ^{edge termination to enhance switching speeds,}
t(s) ^{while maintaining a wide RBSOA.}
4
3
2
1
SOT-89
Figure 1. Internal schematic diagram
C (2, 4)
(1)
B
Obsolete ^{Produc E (3)}
Table 1. Device summary
Order code
STFN42
Marking
N42
Packages
SOT-89
Packaging
Tape and reel
February 2012
Doc ID 12193 Rev 3
1/10
www.st.com
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