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IRFB20N50KPBF Datasheet, PDF (5/8 Pages) International Rectifier – HEXFET Power MOSFET
IRFB20N50KPbF
20
16
12
8
4
0
25
50
75
100
125
150
TC, Case Temperature (°C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
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
1
D = 0.50
0.1
0.20
0.10
0.05
0.02
0.01
0.01
0.001
0.00001
SINGLE PULSE
(THERMAL RESPONSE)
P DM
t1
t2
Notes:
1. Duty factor D =
t1/ t 2
2. Peak T J = P DM x Z thJC + T C
0.0001
0.001
0.01
0.1
1
t1, Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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