SF51 View Datasheet(PDF) - Electronics Industry
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SF51 Datasheet PDF : 2 Pages
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RATING AND CHARACTERISTIC CURVES ( SF51 - SF59 )
FIG.1 - REVERSE RECOVERY TIM E CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 Ω
10 Ω
+
50 Vdc
(approx.)
D.U.T.
1Ω
PULSE
GENERATOR
( NOTE 2 )
OSCILLOSCOPE
( NOTE 1 )
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
Trr
+ 0.5 A
0
- 0.25
- 1.0 A
SET TIME BASE FOR 15 ns/cm
1 cm
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
5.0
4.0
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
8.3 ms SINGLE HALF SINE
Ta = 50 °C
120
3.0
90
2.0
1.0
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, ( °C)
60
30
0
12
4 6 10 20 40 60 100
NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
Pulse Width = 300 µs
2% Duty Cycle
TJ = 25 °C
10
SF51 - SF54
1.0
0.1
SF55 - SF56
SF57 - SF59
0.01
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
10
TJ = 100 °C
1.0
0.1
TJ = 25 °C
0.01
0 20 40
60 80 100 120 140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
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