IRF840S
Power MOSFET
V
DSS =
500V, R
DS(on)
= 0.85 ohm, I
D
= 8.0 A
D
G
S
N Channel
Symbol
ELECTRICAL CHARACTERISICS at
Tj = 25 C Maximum. Unless stated Otherwise
Symbol
Parameter
Drain to Source Breakdown Voltage
Drain to Source Leakage Current
Gate to Source Leakage Current
Gate Threshold Voltage
Test Conditions
V
DS
= 500V
DC
, V
GS
= 0V
DC
V
DS
= 400V
DC
, V
GS
= 0V
DC
Tj=125 C
V
GS
= +20V
DC
V
GS
= -20V
DC
V
DS
= V
GS
, I
D
= 250µA
Value
Min
500
Typ
Max
Unit
Volt
µA
nA
nA
Volt
V
(BR)DSS
V
GS
= 0 V
DC,
I
D
= 250µA
I
DSS
I
GSS
V
GS(th)
-
-
-
-
2.0
-
-
-
-
-
-
-
-
-
-
1300
310
120
14
49
23
20
-
25
250
100
-100
4.0
0.85
63
9.3
3.2
Static Drain to Source On - Resistance R
DS(on)
V
GS
= 10V
DC
, I
D
= 4.8A
Gate Charge
Gate to Source Charge
Gate to Drain Charge
Input Capacitance
Output Capacitance
Transfer Capacitance
Turn On Delay Time
Turn Off Delay Time
Rise Time
Fall Time
Continuous Source Current
Pulsed Source Current
Forward Voltage (Diode)
Q
G
Q
GS
Q
GD
C
ISS
C
OSS
C
RSS
td
(on)
td
(off)
tr
tf
I
S
I
SM
V
SD
V
GS
= 0V
DC
, I
S
=8.0A, Tp = 300µS
V
DD
= 250V
DC
, I
D
= 8.0A, R
G
= 9.1
R
D
= 31
V
DS
= 25V
DC
, V
GS
= 0V
DC
, f = 1.0MHZ
I
D
= 8.0A
V
DS
= 400V
DC
,
V
GS
= 10V
DC
-
-
-
-
-
-
-
-
-
-
-
-
-
-
nC
nC
nC
pF
pF
pF
nS
nS
nS
nS
A
A
V
-
-
-
-
-
-
-
8.0
32
2.0
-
-
-
MAXIMUM RATINGS
Parameter
Gate to Source Voltage
Drain to Source
Voltage
Continuous Drain Current
Pulsed Drain Current
Total Power Dissapation
Thermal Resistance
(Junction to Ambient)
(Tj = 25 C unless stated otherwise)
Symbol Condition
V
GS
V
DSS
I
D
I
DM
P
D
R
TH (J-A)
(T
A
= 25 C)
Value
+/- 20V
500
8.0
32
125
62
Unit
Volt
Volt
Amp
Amp
W
C/W
Maximum Operating Temperature Range (Tj) -55 to +150 C
Maximum Storage Temperature Range (Tstg) -55 to +150 C
Mechanical Dimensions
Case SMB 220 Plastic
Dim
a
b
c
d
e
f
g
h
j
k
m
n
p
DIMENSIONS
Millimetres
Inches
Min
Max
Min
Max
9.85
14.61
8.51
1.27
4.08
1.14
1.15
1.78
0.38
0.51
0.51
10.67
15.88
1.65
9.65
1.78
4.83
1.40
1.400
2.79
0.77
0.99
0.89
0.380
0.575
0.335
0.050
0.180
0.045
0.045
0.070
0.015
0.020
0.020
0.420
0.625
0.065
0.380
0.070
0.190
0.055
0.055
0.110
0.029
0.038
0.35
a
c
4
d
1
2
3
f
g
b
1 - Gate
2 & 4 - Drain
3 - Source
m
n
p
e
k
j
2.54 Pitch
0.10 Pitch
TRSYS [ TRANSYS Electronics Limited ]
