ꢀ ꢀ
4
100
Single phase half wave
Resistive or Inductive load
UF5400 - UF5403
10
3
2
1
UF5404
UF5406 - UF5408
1.0
0.1
Tj = 25°C
Pulse width = 300µs
2% duty cycle
0.01
0
0.6
1.0
1.4
1.8
0
25
50
75
100 125
150 175
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
200
100
100
8.3ms single half
sine-wave
UF5400 - UF5404
UF5406 - UF5408
10
10
1
1
10
100
1
10
100
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
trr
+0.5A
50Ω NI (Non-inductive)
10Ω NI
Device
Under
Test
(-)
Pulse
Generator
(Note 2)
0A
(+)
50V DC
Approx
-0.25A
(-)
1.0Ω
NI
(+)
Oscilloscope
(Note 1)
Notes:
-1.0A
1. Rise Time = 7.0ns max. Input Impedance = 1.0MΩ, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50Ω.
Set time base for 5/10ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
UF5400 – UF5408
2 of 4
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