IRFB20N50K, SiHFB20N50K
20
V
DS
V
GS
R
D
D.U.T.
+
16
R
G
-
V
DD
I
D
, Drain Current (A)
12
10
V
Pulse
width
≤
1
µs
Duty factor
≤
0.1
%
8
Fig. 10a - Switching Time Test Circuit
V
DS
90
%
4
0
25
50
75
100
125
150
10
%
V
GS
t
d(on)
t
r
t
d(off)
t
f
Fig. 9 - Maximum Drain Current vs. Case Temperature
Fig. 10b - Switching Time Waveforms
1
D = 0.50
Thermal Response ( Z
thJC
)
0.1
0.20
0.10
0.01
0.02
0.01
Single Pulse
(Thermal Response)
P
DM
t
1
t
2
Notes:
1. Duty Factor D = t1/t2
2. Peak TJ = PDM x TthJC + TC
0.01
0.001
0.00001
0.0001
0.001
0.01
0.1
1
t
1
, Rectangular Pulse Duration (s)
Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case
V
DS
15
V
t
p
V
DS
L
Driver
R
G
20
V
t
p
D.U.T
I
AS
0.01
Ω
+
A
-
V
DD
A
A
I
AS
Fig. 12b - Unclamped Inductive Waveforms
Fig. 12a - Unclamped Inductive Test Circuit
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5
KERSEMI [ Kersemi Electronic Co., Ltd. ]
