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What is FB31N20D?

This electronic component, produced by the manufacturer "International Rectifier", performs the same function as "IRFB31N20D".


FB31N20D Datasheet PDF - International Rectifier

Part Number FB31N20D
Description IRFB31N20D
Manufacturers International Rectifier 
Logo International Rectifier Logo 


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SMPS MOSFET
PD- 93805B
IRFB31N20D
IRFS31N20D
IRFSL31N20D
HEXFET® Power MOSFET
Applications
l High frequency DC-DC converters
VDSS
200V
RDS(on) max
0.082
ID
31A
Benefits
l Low Gate-to-Drain Charge to Reduce
Switching Losses
l Fully Characterized Capacitance Including
Effective COSS to Simplify Design, (See
App. Note AN1001)
l Fully Characterized Avalanche Voltage
and Current
TO-220AB
IRFB31N20D
D2Pak
TO-262
IRFS31N20D IRFSL31N20D
Absolute Maximum Ratings
ID @ TC = 25°C
ID @ TC = 100°C
IDM
PD @TA = 25°C
PD @TC = 25°C
VGS
dv/dt
TJ
TSTG
Parameter
Continuous Drain Current, VGS @ 10V
Continuous Drain Current, VGS @ 10V
Pulsed Drain Current 
Power Dissipation ‡
Power Dissipation
Linear Derating Factor
Gate-to-Source Voltage
Peak Diode Recovery dv/dt ƒ
Operating Junction and
Storage Temperature Range
Soldering Temperature, for 10 seconds
Mounting torqe, 6-32 or M3 screw†
Max.
31
21
124
3.1
200
1.3
± 30
2.1
-55 to + 175
300 (1.6mm from case )
10 lbf•in (1.1N•m)
Units
A
W
W/°C
V
V/ns
°C
Typical SMPS Topologies
l Telecom 48V Input Forward Converters
Notes  through ‡ are on page 11
www.irf.com
1
2/14/00

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FB31N20D equivalent
IRFB/IRFS/IRFSL31N20D
30
25
20
15
10
5
0
25 50 75 100 125 150 175
TC , Case Temperature ( °C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
1
VDS
VGS
RG
RD
D.U.T.
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
+-VDD
Fig 10a. Switching Time Test Circuit
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 10b. Switching Time Waveforms
D = 0.50
0.20
0.1 0.10
0.05
0.02
0.01
0.01
0.00001
PDM
t1
SINGLE PULSE
(THERMAL RESPONSE)
t2
Notes:
1. Duty factor D = t1 / t 2
2. Peak T J = P DM x Z thJC + TC
0.0001
0.001
0.01
t1 , Rectangular Pulse Duration (sec)
0.1
1
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
www.irf.com
5


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FB31N20D smps mosfet


1. - SMPS MOSFET - IR

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Featured Datasheets

Part NumberDescriptionMFRS
FB31N20DThe function is IRFB31N20D. International RectifierInternational Rectifier

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