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0
0.5
1.0
1.5
2.0
2.5
25 50 75 100 125 150 175 200
I , AVERAGE FWD RECTIFIED CURRENT (A)
(AV)
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Forward Current Derating Curve
A°
Single phase half-wave
60 Hz resistive or inductive load 0.01
1.0
2.0
10
0.6 0.8 1.0 1.2 1.4
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T = 25 C
j°
Pulse width = 300 sµ
SF21-SF24
SF27
SF25 - SF26
I , PEAK FORWARD SURGE CURRENT (A)
FSM
0
20
40
60
1 10 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
50V DC
Approx
50 NI (Non-inductive)Ω10 NIΩ
1.0
NI
ΩOscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
trr
Settimebasefor5/10ns/cm
+0.5A
0A
-0.25A
-1.0A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.
2. Rise Time = 10ns max. Input Impedance = 50 .
Ω
Ω
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
1
10
100
1 10 100
C , CAPACITANCE (pF)
j
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
T = 25 C
f = 1.0MHz
j°
SF21-SF24
SF25 -SF27
SF21 – SF27 2 of 2 http://www.sensitron.com
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