SF27_ 查看數據表（PDF） - Leshan Radio Company
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SF27_ Datasheet PDF : 7 Pages
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SF21 thru SF28
2.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 – Forward Current Derating Curve
60 Hz
Resistive or
2.0
Inductive Load
Fig. 2 – Maximum Non-repetitive Peak
Forward Surge Current
100
TJ = TJ max
8.3ms Single Half Sine-wave
80
(JEDEC Method)
60
1.0
40
0.375" (9.5mm) Lead Length
0
0 25 50 75 100 125 150 175
Ambient Temperature, °C
Fig 3. – Typical Instantaneous Forward
Characteristics
100
TJ = 25°C
Pulse width = 300µs
10 1% Duty Cycle
20
0
1
10
100
Number of Cycles at 60Hz
Fig 4. – Typical Reverse Characteristics
100
Tj=100℃
10
1.0
1.0
Tj=25℃
0.1
0.1
0.01
0.6 0.8 1.0 1.2 1.4 1.6
Instantaneous Forward Voltage (V)
Fig 5. –typical transient thermal
impedance
100
10
0.01
0 20 40 60 80 100
Percent of Rated Peak Reverse Voltage (%)
Fig 6. – Typical Junction Capacitance
20
TJ = 25°C
f = 1.0 MHz
10
Vsig = 50mVp-p
1.0
0.1
0.01 0.1
1.0
10
100
t,Pulse duration,sec
1.0
0.1
1
10
100
Reverse Voltage (V)
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