IRF840AS Datasheet, PDF (2/2 Pages) International Rectifier – Power MOSFET(Vdss=500V, Rds(on)max=0.85ohm, Id=8.0A)

IRF840AS/AL
Power MOSFET
V_{DSS =} 500V, R_DS(on) = 0.85 ohm, I_D = 8.0 A
Mechanical Dimensions
Case SMB 220 Plastic
DIMENSIONS
Millimetres
Inches
Dim Min Max Min Max
a 9.85 10.67 0.380 0.420
b 14.61 15.88 0.575 0.625
c
1.65
0.065
d 8.51 9.65 0.335 0.380
e
1.27 1.78 0.050 0.070
f
4.08 4.83 0.180 0.190
g
1.14 1.40 0.045 0.055
h 1.15 1.400 0.045 0.055
j
1.78 2.79 0.070 0.110
k 0.38 0.77 0.015 0.029
m
2.54 Pitch
0.10 Pitch
n 0.51 0.99 0.020 0.038
p 0.51 0.89 0.020 0.35
a
c
4
d
b
1 23
e
m
n
p
f
g
1 - Gate
2 & 4 - Drain
3 - Source
j
k
Mechanical Dimensions
Case TO262 Plastic
DIMENSIONS
Millimetres
Inches
Dim Min Max Min Max
a 10.29 10.54 0.405 0.415
b 9.91 10.54 0.390 0.415
c 13.47 14.09 0.530 0.555
d
1.15
0.045
e 1.15 1.40 0.045 0.055
f
0.69 0.93 0.027 0.037
g
2.54 Pitch
0.10 Pitch
h 4.20 4.69 0.165 0.185
j
1.22 1.32 0.048 0.052
k
0.46 0.55 0.018 0.022
m 2.64 2.92 0.104 0.115
n 3.55 4.06 0.140 0.160
h
a
j
4
b
1 23
e
c
f
g
d
n
k
m
1 - Gate
2 & 4 - Drain
3 - Source
r
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