Z ibo Seno Electronic Engineering Co., Ltd.
FR251 – FR257
4
10
Single phase half wave
Resistive or Inductive load
3
1.0
2
1
0
0
60
25 50 75 100 125 150 175
A, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Derating Curve
0.1
0.01
Tj = 25°C
Pulse width = 300µs
0.6
0.8
1.0
1.2
1.4
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
TA = 25°C
f = 1.0MHz
40
10
20
0
1
10
100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
50Ω NI (Non-inductive)
10Ω NI
(+)
50V DC
Approx
(-)
Device
Under
Test
1.0Ω
NI
Oscilloscope
(Note 1)
(-)
Pulse
Generator
(Note 2)
(+)
1
1
+0.5A
10
100
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
trr
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 5/10ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
FR251 – FR257
2 of 2
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