IRF840 Vishay, IRF840 Datasheet - Page 4

MOSFET N-CH 500V 8A TO-220AB

IRF840

Manufacturer Part Number
IRF840
Description
MOSFET N-CH 500V 8A TO-220AB
Manufacturer
Vishay
Type
Power MOSFETr
Datasheet

Specifications of IRF840

Fet Type
MOSFET N-Channel, Metal Oxide
Fet Feature
Standard
Rds On (max) @ Id, Vgs
850 mOhm @ 4.8A, 10V
Drain To Source Voltage (vdss)
500V
Current - Continuous Drain (id) @ 25° C
8A
Vgs(th) (max) @ Id
4V @ 250µA
Gate Charge (qg) @ Vgs
63nC @ 10V
Input Capacitance (ciss) @ Vds
1300pF @ 25V
Power - Max
125W
Mounting Type
Through Hole
Package / Case
TO-220-3 (Straight Leads)
Number Of Elements
1
Polarity
N
Channel Mode
Enhancement
Drain-source On-res
0.85Ohm
Drain-source On-volt
500V
Gate-source Voltage (max)
±20V
Drain Current (max)
8A
Power Dissipation
125W
Output Power (max)
Not RequiredW
Frequency (max)
Not RequiredMHz
Noise Figure
Not RequireddB
Power Gain
Not RequireddB
Drain Efficiency
Not Required%
Operating Temp Range
-55C to 150C
Operating Temperature Classification
Military
Mounting
Through Hole
Pin Count
3 +Tab
Package Type
TO-220AB
Configuration
Single
Transistor Polarity
N-Channel
Resistance Drain-source Rds (on)
0.85 Ohms
Drain-source Breakdown Voltage
500 V
Gate-source Breakdown Voltage
+/- 20 V
Continuous Drain Current
8 A
Maximum Operating Temperature
+ 150 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
*IRF840
IRF840IR

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IRF840A, SiHF840A
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4
91065_05
91065_06
Fig. 6 - Typical Gate Charge vs. Gate-to-Source Voltage
Fig. 5 - Typical Capacitance vs. Drain-to-Source Voltage
10
10
10
10
10
20
16
12
1
5
4
3
2
8
4
0
1
0
I
D
= 8.0 A
V
DS ,
Q
10
G
Drain-to-Source Voltage (V)
V
, Total Gate Charge (nC)
DS
10
= 100 V
V
V
C
C
C
DS
GS
iss
rss
oss
20
= 250 V
= 0 V, f = 1 MHz
= C
= C
= C
V
DS
gs
gd
ds
= 400 V
+ C
C
C
C
+ C
10
rss
iss
oss
2
gd
gd
For test circuit
see figure 13
, C
30
ds
Shorted
10
40
3
91065_07
91065_08
Fig. 7 - Typical Source-Drain Diode Forward Voltage
10
0.1
10
0.1
10
10
1
1
2
2
0.2
10
Operation in this area limited
Fig. 8 - Maximum Safe Operating Area
T
J
V
V
= 150
DS
SD
by R
, Drain-to-Source Voltage (V)
0.5
, Source-to-Drain Voltage (V)
°
DS(on)
C
10
2
0.8
T
J
= 25
100
1
10
10
S-81275-Rev. A, 16-Jun-08
ms
Document Number: 91065
µs
10
ms
µs
°
3
C
1.1
T
T
Single Pulse
C
J
V
= 150 °C
= 25 °C
GS
= 0 V
1.4
10
4

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