31DF4_2015 Datasheet, PDF (1/1 Pages) National Instruments Corporation – FRED

3A Avg. 400 Volts FRED
31DF4
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0°
180°
θ
0°
180°
θ
FORWARD CURRENT VS. VOLTAGE
CONDUCTION ANGLE
AVERAGE FORWARD POWER DISSIPATION
CONDUCTION ANGLE
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
Without Fin or P.C.Board
50
31DF4
6
31DF4
2.4
31DF4
D.C.
20
5
D.C.
2.0
RECT 180°
10
RECT 120°
4
RECT 180°
1.6
HALF SINE WAVE
5
HALF SINE WAVE
RECT 120°
RECT 60°
3
1.2
RECT 60°
2
Tj=25°C
Tj=150°C
2
0.8
1
0.5
1
0.4
0.2
0
0.4
0.8
1.2
1.6
2.0
2.4
INSTANTANEOUS FORWARD VOLTAGE (V)
0
0
1
2
3
4
5
AVERAGE FORWARD CURRENT (A)
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE ( °C)
0°
180°
θ
CONDUCTION ANGLE
5
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AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
With Cu Fin(20Ê·20Ê·1t,L=5mm,Both Sides)
31DF4
D.C.
4
RECT 180°
3
HALF SINE WAVE
RECT 120°
2
RECT 60°
1
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE ( °C)
70
60
50
40
30
20
10
0
0.02
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SURGE CURRENT RATINGS
f=50Hz,Half Sine Wave,Non-Repetitive,No Load
31DF4
0.02s
I FSM
0.05
0.1
0.2
0.5
1
2
TIME (s)