IRF840A
Power MOSFET
V
DSS =
500V, R
DS(on)
= 0.85 ohm, I
D
= 8.0 A
Drain
D
G
N Channel
Gate
Drain
Source
Tj = 25 C Maximum. Unless stated Otherwise
Symbol
ELECTRICAL CHARACTERISICS at
Symbol
S
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
= +30V
DC
V
GS
= -30V
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
-
-
-
-
-
-
-
-
-
-
1018
155
8.0
11
26
23
19
-
25
250
100
-100
4.0
0.85
38
9.0
18
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)
Single Pulse Avalanche Energy
Repetive Avalanche Energy
Avalanche Current
Q
G
Q
GS
Q
GD
C
ISS
C
OSS
C
RSS
td
(on)
td
(off)
tr
tf
I
S
I
SM
V
SD
E
AS
E
AR
I
AR
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
-
-
-
-
-
-
-
32
2.0
510
13
8
-
-
-
A
V
mj
mj
A
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
+/- 30V
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 TO-220-AB Plastic
Dim
a
b
c
d
e
f
g
h
j
k
m
n
p
DIMENSIONS
Millimetres
Inches
Min
Max
Min
Max
10.29
2.62
6.10
3.54
14.84
13.47
1.15
1.15
3.550
4.20
1.22
2.64
0.48
0.69
10.54
2.87
6.47
3.78
15.24
14.09
1.400
2.54
4.06
4.69
1.32
2.92
0.55
0.93
0.405
0.103
0.240
0.139
0.584
0.530
0.045
0.045
0.140
0.165
0.048
0.104
0.018
0.027
0.415
0.113
0.255
0.149
0.600
0.555
0.055
0.100
0.160
0.185
0.052
0.115
0.022
0.037
d
c
b
a
m
n
4
e
k
h
f
r
j
j
p
q
1 2 3
g
1 - Gate
2 & 4 - Drain
3 - Source
q
r
TRSYS [ TRANSYS Electronics Limited ]
