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1N4948 Arkusz danych(PDF) 2 Page - Rectron Semiconductor

Numer części 1N4948
Szczegółowy opis  FAST RECOVERY RECTIFIER
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Producent  RECTRON [Rectron Semiconductor]
Strona internetowa  http://www.rectron.com
Logo RECTRON - Rectron Semiconductor

1N4948 Arkusz danych(HTML) 2 Page - Rectron Semiconductor

  1N4948 Datasheet HTML 1Page - Rectron Semiconductor 1N4948 Datasheet HTML 2Page - Rectron Semiconductor  
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RECTRON
RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 )
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, ( V )
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20 40
100
TJ = 25
FIG. 1 - TYPICAL FORWARD CURRENT
AMBIENT TEMPERATURE, (
)
DERATING CURVE
1.0
.8
.6
.4
.2
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
NUMBER OF CYCLES AT 60Hz
SURGE CURRENT
1
2
0
4
6 8 10
20
40 60 80 100
50
40
30
20
10
0
8.3ms Single Half Sine-Wave
(JEDED Method)
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE, (V)
TJ = 25
Pulse Width=300uS
1% Duty Cycle
.4
.6
.8
1.0
1.2
1.4
1.6
10
1.0
.1
.01
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
TJ = 25
TJ = 75
TJ = 125
20
10
1.0
.1
.01
0
20
40
60
80
100 120 140
trr
+0.5A
0
-0.25A
-1.0A
1cm
SET TIME BASE FOR
50/100 ns/cm
FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
50
NONINDUCTIVE
10
NONINDUCTIVE
D.U.T
25 Vdc
(approx)
( - )
( - )
( + )
( + )
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.
TIME CHARACTERISTIC


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