SF55 查看數據表（PDF） - Leshan Radio Company
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SF55 Datasheet PDF : 7 Pages
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SF51 thru SF58
2.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 – Forward Current Derating Curve
Fig. 2 – Maximum Non-repetitive Peak
Forward Surge Current
TA=Ambient Temperature
TJ = 75°C
0.375"(9.5mm)Lead Lengh
8.3ms Single Half Sine-wave
5.0
200
(JEDEC Method)
2.5
60 Hz Resistive or Inductive load
TL=Lead Temperature with both leads heat
0 sink mounted with length(L) as shown
0 25 50 75 100 125 150 175
Ambient Temperature, °C
Fig 3. – Typical Instantaneous Forward
100
Characteristics
10
1.0
0.1
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
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
1.0
0.1
0.01 0.1
1.0
10
100
t,Pulse duration,sec
100
01
10
100
Number of Cycles at 60Hz
Fig 4. – Typical Reverse Characteristics
100
10
Tj=125℃
1.0
Tj=25℃
0.1
0.01 0
20 40
60 80 100
Percent of Rated Peak Reverse Voltage (%)
Fig 6. – Typical Junction Capacitance
100
10
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
1.0
0.1
1
10
100
Reverse Voltage (V)
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