IRF840 Vishay, IRF840 Datasheet - Page 3

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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TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
Document Number: 91065
S-81275-Rev. A, 16-Jun-08
91065_02
91065_01
Fig. 2 - Typical Output Characteristics, T
10
10
0.1
0.1
10
Fig. 1 - Typical Output Characteristics, T
10
1
1
2
2
0.1
0.1
Top
Bottom
Top
Bottom
V
V
DS
DS
15 V
10 V
8.0 V
7.0 V
6.0 V
5.5 V
5.0 V
4.5 V
15 V
10 V
8.0 V
7.0 V
6.0 V
5.5 V
5.0 V
4.5 V
V
V
, Drain-to-Source Voltage (V)
, Drain-to-Source Voltage (V)
GS
GS
1
1
20 µs Pulse Width
T
20 µs Pulse Width
T
10
10
C
C
=
=
150 °C
25 °C
4.5 V
4.5 V
C
C
= 150 °C
= 25 °C
10
10
2
2
91065_03
91065_04
Fig. 4 - Normalized On-Resistance vs. Temperature
10
0.1
3.0
2.5
2.0
1.5
1.0
0.5
0.0
10
1
2
- 60 - 40 - 20
4.0
I
V
Fig. 3 - Typical Transfer Characteristics
D
T
GS
= 8.0 A
J
= 150
= 10 V
V
5.0
GS ,
T
°
J ,
IRF840A, SiHF840A
C
Gate-to-Source Voltage (V)
0
Junction Temperature (°C)
T
J
20 40 60 80 100 120 140 160
= 25
6.0
°
C
Vishay Siliconix
7.0
20 µs Pulse Width
V
DS
=
50 V
8.0
www.vishay.com
9.0
3

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