1N4946 データシートの表示（PDF） - ZOWIE Technology
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1N4946 Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948
FIG.1 - FORWARD CURRENT DERATING CURVE
1.2
Single Phase
1.0
Half Wave 60Hz
Resistive or
Inductive Load
0.8
0.6
0.4
0.2
0
0
25 50 75 100 125 150 175
AMBIENT TEMPERATURE, oC
50
40
30
20
10
0
1
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
10
100
NUMBER OF CYCLES AT 60Hz
10.00
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
1.00
PULSE WIDTH=300uS
1% DUTY CYCLE
0.10
0.01
0.4
0.6 0.8
1.0
1.2 1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
20
10
TJ=125oC
1.0
TJ=75oC
0.1
TJ=25oC
0.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
200
TJ = 25oC
100
60
40
20
10
6
4
2
1
.1 .2 .4
1.0 2 4
10 20 40 100
REVERSE VOLTAGE, VOLTS
FIG.6 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
NONINDUCTIVE
10
NONINDUCTIVE
+0.5A
(+)
25 Vdc
( approx )
(-)
D.U.T.
1
NON-
INDUCTIVE
OSCILLOSCOPE
( NOTE 1 )
(-)
PULSE
GENERATOR
( NOTE 2 )
(+)
NOTES : 1. Rise Time = 7ns max. Input Impedance=
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance=
50 ohms.
0
-0.25A
-1.0A
trr
SET TIME BASE
FOR 50/100 ns/cm
REV. : 0
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