I
(AV)
, AVERAGE FWD RECTIFIED CURRENT (A)
2.0
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
2.5
10
SF21 - SF24
SF25 - SF26
2.0
1.5
1.0
1.0
SF27
0.5
Single phase half-wave
60 Hz resistive or inductive load
0
25
0.01
0.6
0.8
1.0
T
j
= 25
°
C
Pulse width = 300
µ
s
50
75
100
125
150
175
200
1.2
1.4
T
A
, AMBIENT TEMPERATURE (
°
C)
Fig. 1 Forward Current Derating Curve
60
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
100
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
SF21 - SF24
Tj = 25
°
C
f = 1.0MHz
C
j
, CAPACITANCE (pF)
40
SF25 - SF27
10
20
0
1
10
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
100
1
1
10
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
t
rr
+0.5A
50
Ω
NI (Non-inductive)
Device
Under
Test
50V DC
Approx
10
Ω
NI
100
(-)
Pulse
Generator
(Note 2)
(+)
0A
-0.25A
(-)
1.0
Ω
NI
Oscilloscope
(Note 1)
(+)
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M
Ω
, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50
Ω
.
-1.0A
Set time base for 5/10ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
SF21
–
SF27
2
of 2
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