IRF740B Datasheet PDF - Fairchild Semiconductor
| Part Number | IRF740B | |
| Description | 400V N-Channel MOSFET | |
| Manufacturers | Fairchild Semiconductor | |
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November 2001
IRF740B/IRFS740B
400V 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 and
electronic lamp ballasts based on half bridge.
Features
• 10A, 400V, RDS(on) = 0.54Ω @VGS = 10 V
• Low gate charge ( typical 41 nC)
• Low Crss ( typical 35 pF)
• Fast switching
• 100% avalanche tested
• Improved dv/dt capability
D
G DS
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
IRF740B
IRFS740B
400
10 10 *
6.3 6.3 *
40 40 *
± 30
450
10
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
Thermal Resistance, Case-to-Sink
Thermal Resistance, Junction-to-Ambient
IRF740B
0.93
0.5
62.5
IRFS740B
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
©2001 Fairchild Semiconductor Corporation
Rev. A, November 2001
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Typical Characteristics (Continued)
100
D = 0.5
1 0 -1
0 .2
0 .1
0 .0 5
0 .0 2
0 .0 1
1 0 -2
sin g le p u lse
※ N otes :
1. Zθ
(t)
JC
=
0.93
℃ /W
M ax.
2. D uty Factor, D =t1/t2
3 . T JM - T C = P DM * Z θ JC(t)
PDM
t1
t2
1 0 -5
1 0 -4
1 0 -3
1 0 -2
1 0 -1
100
t1, S qu a re W ave P u lse D u ra tion [se c]
101
Figure 11-1. Transient Thermal Response Curve for IRF740B
100
1 0 -1
D = 0.5
0.2
0.1
0.05
0.02
0.01
1 0 -2
1 0 -5
※ N otes :
1. Z θ JC(t) = 2.86 ℃ /W M ax.
2. D uty Factor, D =t /t
12
3 . T JM - T C = P DM * Z θ JC(t)
sin gle pu lse
PDM
t1
t2
1 0 -4
1 0 -3
1 0 -2
1 0 -1
100
t1, S qu a re W ave P u lse D u ra tion [se c]
101
Figure 11-2. Transient Thermal Response Curve for IRFS740B
©2001 Fairchild Semiconductor Corporation
Rev. A, November 2001
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for IRF740B electronic component. |
| Information | Total 10 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ IRF740B.PDF Datasheet ] | |
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