1N4947 データシートの表示（PDF） - Shenzhen Taychipst Electronic Co., Ltd
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1N4947 Datasheet PDF : 2 Pages
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FAST RECOVERY RECTIFIERS
1N4942 THRU 1N4948
VOLTAGE RANGE 200 TO 1000 VOLTS
CURRENT 1.0 AMPERE
RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 )
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
1.0
.8
.6
.4
Single Phase
Half Wave 60Hz
.2 Resistive or
Inductive Load
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, ( )
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
50
8.3ms Single Half Sine-Wave
(JEDED Method)
40
30
20
10 1
0
0 2 4 6 8 10 20 40 60 80 100
NUMBER OF CYCLES AT 60Hz
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
1.0
TJ = 25
Pulse Width=300uS
.1
1% Duty Cycle
.01
.4 .6 .8 1.0 1.2 1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
20
10
TJ = 125
1.0
TJ = 75
.1
TJ = 25
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
2
TJ =25oC
1
.1 .2 .4
1.0 2 4 10 20 40 100
REVERSE VOLTAGE, ( V )
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