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FDB12N50U N-Channel UniFET
TM
Ultra FRFET
TM
MOSFET
April 2013
FDB12N50U
Features
N-Channel UniFET
TM
Ultra FRFET
TM
MOSFET
500 V, 10 A, 800 m
Description
UniFET
TM
MOSFET is Fairchild Semiconductor
®
’s high voltage
MOSFET family based on planar stripe and DMOS technology.
This MOSFET is tailored to reduce on-state resistance, and to
provide better switching performance and higher avalanche
energy strength. UniFET Ultra FRFET
TM
MOSFET has much
superior body diode reverse recovery performance. Its t
rr
is less
than 50nsec and the reverse dv/dt immunity is 20V/nsec while
normal planar MOSFETs have over 200nsec and 4.5V/nsec
respectively. Therefore UniFET Ultra FRFET MOSFET can
remove additional component and improve system reliability in
certain applications that require performance improvement of the
MOSFET’s body diode. This device family is suitable for switch-
ing power converter applications such as power factor correction
(PFC), flat panel display (FPD) TV power, ATX and electronic
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