US3A 查看數據表（PDF） - Diodes Incorporated.
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US3A Datasheet PDF : 2 Pages
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3.0
10
1.0
2.0
US3A-US3D
US3F-US3G
0.1
1.0
Pulse Width: 300µs
0.01
1% Duty Cycle
0
25
50 75
100 125 150 175
TT, TERMINAL TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
150
125
Single Half-Sine-Wave
(JEDEC Method)
100
75
50
25
0
1
2
5
10 20
50 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Surge Current Derating Curve
50Ω NI (Non-inductive)
10Ω NI
(+)
50V DC
Approx
(-)
Device
Under
Test
1.0Ω
NI
Oscilloscope
(Note 1)
(-)
Pulse
Generator
(Note 2)
(+)
0.001
0 .2 .4 .6 .8 1.0 1.2 1.4
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
Tj = 150°C
10
Tj = 100°C
1.0
Tj = 25°C
.1
1.0
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 4 Typical Reverse Characteristics
trr
+0.5A
0A
-0.25A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0MΩ, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50Ω.
-1.0A
Set time base for 50/100 ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
DS30191 Rev. B-1
2 of 2
US3A - US3G
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