1N4947 データシートの表示（PDF） - General Semiconductor
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1N4947 Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948
FIG. 1 - FORWARD CURRENT DERATING CURVE
1.0
0.75
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm)
LEAD LENGTH
0.5
0.25
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
TJ=TJ max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
20
10
0
25 50 75 100 125 150 175
AMBIENT TEMPERATURE, °C
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
10
1
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
0.1
0
1
10
100
NUMBER OF CYCLES AT 60 Hz
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
20
10
TJ=25°C
1
TJ=75°C
0.1
0.01
0.4
0.6 0.8 1.0 1.2 1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
30
TJ =25°C
f=1.0 MHz
Vsig=50mVp-p
10
0.01
0
TJ=25°C
20
40
60
80 100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
1
1
10
100
REVERSE VOLTAGE, VOLTS
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