FDH20N40 查看數據表（PDF） - Fairchild Semiconductor
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FDH20N40 Datasheet PDF : 6 Pages
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October 2002
FDH20N40 / FDP20N40
20A, 400V, 0.216 Ohm, N-Channel SMPS Power MOSFET
Applications
Switch Mode Power Supplies(SMPS), such as
• PFC Boost
• Two-Switch Forward Converter
• Single Switch Forward Converter
• Flyback Converter
• Buck Converter
• High Speed Switching
Features
• Low Gate Charge Qg results in Simple Drive
Requirement
• Improved Gate, Avalanche and High Reapplied dv/dt
Ruggedness
• Reduced rDS(ON)
• Reduced Miller Capacitance and Low Input Capacitance
• Improved Switching Speed with Low EMI
• 175°C Rated Junction Temperature
Package
JEDEC TO-247
SOURCE
DRAIN
GATE
DRAIN
(FLANGE)
DRAIN
(FLANGE)
JEDEC TO-220AB
Symbol
SOURCE
DRAIN
GATE
D
G
S
Absolute Maximum Ratings TC = 25°C unless otherwise noted
Symbol
VDSS
VGS
ID
PD
Parameter
Drain to Source Voltage
Gate to Source Voltage
Drain Current
Continuous (TC = 25oC, VGS = 10V)
Continuous (TC = 100oC, VGS = 10V)
Pulsed (Note 1)
Power dissipation
Derate above 25oC
Ratings
400
±30
20
14
80
273
1.82
TJ, TSTG
Operating and Storage Temperature
Soldering Temperature for 10 seconds
Mounting Torque, 8-32 or M3 Screw
-55 to 175
300 (1.6mm from case)
10ibf*in (1.1N*m)
Thermal Characteristics
RθJC Thermal Resistance Junction to Case
0.55
RθCS Thermal Resistance Case to Sink, Flat, Greased Surface
0.24
RθJA Thermal Resistance Junction to Ambient (TO-247)
40
RθJA Thermal Resistance Junction to Ambient (TO-220)
62
Units
V
V
A
A
A
W
W/oC
oC
oC
oC/W
oC/W
oC/W
oC/W
©2002 Fairchild Semiconductor Corporation
FDH20N40 / FDP20N40 Rev. A,
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