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PDF IRF840B Data sheet ( Hoja de datos )
| Número de pieza | IRF840B | |
| Descripción | 500V N-Channel MOSFET | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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February 2005
IRF840B/IRFS840B
500V N-Channel MOSFET
General Description
These N-Channel enhancement mode power field effect
transistors are produced using Fairchild’s proprietary,
planar, DMOS technology.
This advanced technology has been especially tailored to
minimize on-state resistance, provide superior switching
performance, and withstand high energy pulse in the
avalanche and commutation mode. These devices are well
suited for high efficiency switch mode power supplies,
power factor correction and electronic lamp ballasts based
on half bridge.
Features
• 8.0A, 500V, RDS(on) = 0.8Ω @VGS = 10 V
• Low gate charge ( typical 41 nC)
• Low Crss ( typical 35 pF)
• Fast switching
• 100% avalanche tested
• Improved dv/dt capability
D
GD S
TO-220
IRF Series
GD S
TO-220F
IRFS Series
G
S
Absolute Maximum Ratings TC = 25°C unless otherwise noted
Symbol
Parameter
VDSS
Drain-Source Voltage
ID Drain Current - Continuous (TC = 25°C)
- Continuous (TC = 100°C)
IDM Drain Current - Pulsed
(Note 1)
VGSS
Gate-Source Voltage
EAS Single Pulsed Avalanche Energy
(Note 2)
IAR Avalanche Current
(Note 1)
EAR Repetitive Avalanche Energy
(Note 1)
dv/dt
Peak Diode Recovery dv/dt
(Note 3)
PD Power Dissipation (TC = 25°C)
- Derate above 25°C
TJ, TSTG
Operating and Storage Temperature Range
TL
Maximum lead temperature for soldering purposes,
1/8" from case for 5 seconds
* Drain current limited by maximum junction temperature.
IRF840B
IRFS840B
500
8.0 8.0
5.1 5.1
32 32
± 30
320
8.0
13.4
5.5
134 44
1.08 0.35
-55 to +150
300
Thermal Characteristics
Symbol
RθJC
RθCS
RθJA
Parameter
Thermal Resistance, Junction-to-Case Max.
Thermal Resistance, Case-to-Sink Typ.
Thermal Resistance, Junction-to-Ambient Max.
IRF840B
0.93
0.5
62.5
IRFS840B
2.86
--
62.5
Units
V
A
A
A
V
mJ
A
mJ
V/ns
W
W/°C
°C
°C
Units
°C/W
°C/W
°C/W
©2005 Fairchild Semiconductor Corporation
Rev. B, February 2005
1 page  
Typical Characteristics (Continued)
100
D =0 .5
0 .2
1 0 -1
0 .1
0.0 5
0.0 2
0 .01
1 0 -2
sin gle pu lse
※ N otes :
1.
2.
3.
ZD θu JtCy(
TJM -
t) = 0.93 ℃ /W M
Fa
TC
ct
=
or,
PD
MD*=Zt1θ/
t
2
JC
(
t
a
)
x
.
PDM
t1
t2
1 0 -5
1 0 -4
1 0 -3
1 0 -2
1 0 -1
100
t1, S q u a re W a ve P ulse D u ratio n [sec]
101
Figure 11-1. Transient Thermal Response Curve for IRF840B
D =0.5
100
0 .2
0 .1
0 .05
1 0 -1
0.0 2
0 .01
1 0 -2
1 0 -5
※ N otes :
1.
2.
3.
ZD θu JtCy(
TJM -
t)
F
T
= 2.86 ℃ /W M
a
C
ct
=
o r,
PD
MD*=Zt1θ/
t
2
JC
(
t
a
)
x
.
sin gle pu lse
PDM
t1
t2
1 0 -4
1 0 -3
1 0 -2
1 0 -1
100
t1, S q u a re W a ve P ulse D u ratio n [sec]
101
Figure 11-2. Transient Thermal Response Curve for IRFS840B
©2005 Fairchild Semiconductor Corporation
Rev. B, February 2005
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IRF840B.PDF ] | |
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