SMF54A 查看數據表（PDF） - Nanjing International Group Co
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SMF54A Datasheet PDF : 3 Pages
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SMF5.0A - SMF170A
RATING AND CHARACTERISTIC CURVES ( SFM5.0A - SFM170A )
FIG.1 - PULSE DERATING CURVE
120
100
80
60
40
Ta = 25 °C
20
0
0
25
50
75
100
125
150
Ta, AMBIENT TEMPERATURE, ( °C)
FIG.3 - STEADY STATE POWER DERATING
4.0
FIG.2 - 10 x 1000 s PULSE WAVEFORM
Pulse Width (tp) is defined
tr
as that point where the peak
current decays to 50% of IRSM
tr 10 s
Peak Value - IRSM
50
tp
Half Value - IRSM
2
0
0
1
2
3
4
t, TIME (ms)
FIG.4 - PULSE RATING CURVE
10000
3.0
2.0
1.0
0
25
50
75
100
125
150 175
TL, LEAD TEMPERATURE ( C)
FIG.5 - 8 x 20 s PULSE WAVEFORM
tr
100
Pulse Width (tp) is defined
as that point where the peak
current decays = 8 s
Peak Value IRSM @ 8 s
50
tp
Half Value IRSM/ 2 @ 20 s
0
0
20
40
60
80
t, TIME ( s)
1000
100
10
0.1 s
1.0 s
10 s
100 s
1.0ms
tp, PULSE WIDTH
10ms
FIG. 6 - CAPACITANCE VS. WORKING PEAK
REVERSE VOLTAGE
1000
Measured @ Zero Bias
100
Measured @ 50 %VRWM
10
1
1
10
100 200
WORKING PEAK REVERSE VOLTAGE (V)
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