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1N4948G 데이터시트(PDF) 2 Page - List of Unclassifed Manufacturers

부품명 1N4948G
상세설명  FAST RECOVERY GLASS PASSIVATED RECTIFIER
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1N4948G 데이터시트(HTML) 2 Page - List of Unclassifed Manufacturers

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WEJ
ELECTRONIC
CO.,LTD
1.2
1.0
0.8
0.6
0.4
0.2
0
0
25
50 55
75
100
125
150
175
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
AMBIENT TEMPERATURE,( C)
o
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
100
10
1
0.1
1.0
10
100
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVRESE VOLTAGE,(V)
1
2
4
6 8 10
20
40
60
100
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60 Hz
30
20
10
0
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE,(V)
10
1.0
0.1
0.01
8.3ms Single Half Sine-Wave
(JEDEC Method) T =T max
j
j
1 Cycle
T =25 C
Pulse Width=300us
1% Duty Cycle
j
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375 (9.5mm)
Lead Length
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
SET TIME BASE FOR
50/100ns/cm
Trr
IRM(REC)
1.0
0
d /d =50A/us
f
t
I(t)
A-TEKRONNIX 545A.K.PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
RI-ADJUSTED FOR 1.4 BETEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE = 3.8uH
R2-TEN-1W 10 CARBON CORE
IN PARALLEL
TA=25=
FOR RECTIFIER
+10 C
-0
o
1
2
3
4
5
6
7
8
1.0Adc RROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
+
-
Zout 1- MAX
DC to 2kHz
2
1
R2
1
10W
NON-
INDUCTIVE
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
3.8uH/1.4
1.AMP
SLO-BLO
FUSE
C1
1.0uF
300V
30 Vdc
CONSTANT VOLTAGE
SUPPLY
C.P. CLARE
HPG 1002
115 Va
10K
60Hz
2W
-
+
MINIMIZE ALL LEAD LENGTHS
20
10
1.0
0.1
0.01
0
20
40
60
80
100
120
140
T =25 C
j
o
T =125 C
j
o
T =75 C
j
o
C1
1.0uF
300V
T =25 C
f=1MHz
V =50mVp-p
j
o
sig
IFM
Http:// www.wej.cn
E-mail:wej@yongerjia.com
WEJ ELECTRONIC CO.
RoHS
1N4942-4948


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