IRF740A / RF1S740AST
September 2002
IRF740A / RF1S740AST
10A, 400V, 0.550 Ohm, N-Channel SMPS Power MOSFET
Applications
鈥?Switch Mode Power Supplies (SMPS)
鈥?Uninterruptable Power Supply
鈥?High Speed Power Switching
鈥?Improved Gate, Avalanche and Dynamic dv/dt
Ruggedness
鈥?Improved Body Diode
Features
鈥?Low Gate Charge Q
g
results in Simple Drive
Requirement
Package
JEDEC TO-220AB
SOURCE
DRAIN
GATE
DRAIN
(FLANGE)
GATE
Symbol
JEDEC TO-263AB
DRAIN
(FLANGE)
G
S
SOURCE
D
Absolute Maximum Ratings
T
J
= 25擄C unless otherwise noted
Symbol
V
DSS
V
GS
Parameter
Drain to Source Voltage
Gate to Source Voltage
Drain Current
I
D
Continuous (T
C
= 25
o
C, V
GS
= 10V)
Continuous (T
C
= 100
o
C, V
GS
= 10V)
Pulsed
P
D
T
J
, T
STG
Power dissipation
Derate above 25
o
C
Operating and Storage Temperature
Soldering Temperature for 10 seconds
Mounting Torque, 8-32 or M3 Screw
10
6.3
40
147
1.18
-55 to 150
300 (1.6mm from case)
10ibf*in (1.1N*m)
A
A
A
W
W/
o
C
o
o
Ratings
400
鹵30
Units
V
V
C
C
Thermal Characteristics
R
胃JC
R
胃CS
R
胃JA
Thermal Resistance Junction to Case
Thermal Resistance Case to Sink, Flat, Greased Surface
Thermal Resistance Junction to Ambient
0.85
0.50 TYP
62
o
C/W
C/W
o
C/W
o
漏2002
Fairchild Semiconductor Corporation
IRF740A / RF1S740AST Rev. C