31DF4 查看數據表（PDF） - Shenzhen Luguang Electronic Technology Co., Ltd
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31DF4 Datasheet PDF : 2 Pages
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31DF3-31DF4
Super Fast Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
10
N 1.
N 1.
(+)
25VDC
(approx)
(-)
D.U.T.
1
NONIN-
DUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE2)
NOTES:1.RISETIME=7ns MAX.INPUTIMPEDANCE=1M . 22pF. JJJJ
2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 .
trr
+0.5A
0
-0.25A
-1.0A
1cm
SETTIMEBASEFOR10 ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
FIG.3 -- FORWARD DERATING CURVE
10
4
2
1
0.4
0.2
0.1
0.04
0.02
0.01
0.6 0.8
TJ=25
Pulse Width=300µs
1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
2.0
1.5
1.0
Single Phase
Half Wave 60HZ
0.5
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
0
0
25 50
75
100
125 150
AMBIENT TEMPERATURE,
FIG.4-- TYPICAL JUNCTION CAPACITANCE
1000
600
400
200
100
60
40
20
TJ=25
f=1.0MHz
10
0.1 0.2 0.4 1 2 4 10 20 40 100
REVERSE VOLTAGE, VOLTS
FIG.5-- PEAK FORWORD SURGE CURRENT
150
125
100
75
50
8.3ms Single Half
25
Sine - Wave
0
1
5 10
50 100
NUMBER OF CYCLES AT 60HZ
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