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1N4944 数据表(PDF) 2 Page - Galaxy Semi-Conductor Holdings Limited

部件名 1N4944
功能描述  FAST RECOVERY RECTIFIER
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制造商  BILIN [Galaxy Semi-Conductor Holdings Limited]
网页  http://www.galaxycn.com
标志 BILIN - Galaxy Semi-Conductor Holdings Limited

1N4944 数据表(HTML) 2 Page - Galaxy Semi-Conductor Holdings Limited

  1N4944 Datasheet HTML 1Page - Galaxy Semi-Conductor Holdings Limited 1N4944 Datasheet HTML 2Page - Galaxy Semi-Conductor Holdings Limited  
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background image
.2
TJ=25
f=1MHz
1
.1
2
4
.4
1.0
2
40
10
20
60
100
4
10
20
40
100
0
1
8.3ms Single Half
Sine-Wave
10
20
30
50
40
4
240
20
10
8
6
100
80
60
0 .6
0 .8
1 .0
1 .2
1 .4
1 .6
0 .0 1
0 .0 2
0 .0 6
0 .0 4
0 .1
0 .2
0 .4
1 .0
2
4
10
100
T J =25
P u ls e W idth= 300
µ S
1.8
2.0
.2
25
0
50
75
.4.
.6
.8
1.0
125
100
150
175
Single Phase
Half Wave 60H Z
Resistive or
Inductive Load
-1.0A
-0.25A
0
+0.5A
trr
1cm
PULSE
GENERATOR
(NOTE2)
D.U.T.
1
N.1.
50
N.1.
OSCILLOSCOPE
(NOTE 1)
(+)
50VDC
(APPROX)
(-)
10
N.1.
(-)
(+ )
BLGALAXYELECTRICAL
www.galaxycn.com
Document Number 0261081
2.
FIG.2 --FORWARDDERATINGCURVE
FIG.3 -- TYPICAL FORWARDCHARACTERISTICS
NOTES: 1. RISETIME=7ns MAX. INPUTIMPEDANCE=1M . 22PF
2. RISETIME=10ns MAX. SOURCEIMPEDANCE=50
SETTIMEBASE FOR 50/100ns /cm
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- REVERSERECOVERYTIMECHARACTERISTICANDTEST CIRCUIT DIAGRAM
1N4942---1N4948
NUMBEROF CYCLES AT60 Hz
REVERSE VOLTAGE,VOLTS
FIG.4--PEAKFORWARDSURGECURRENT
FIG.5-- TYPICAL JUNCTIONCAPACITANCE
AMBIENTTEMPERATURE,
INSTANTANEOUS FORWARDVOLTAGE,VOLTS


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