SF51 查看數據表（PDF） - Daesan Electronics Corp.
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SF51 Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES SF51 THRU SF57
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
NONINDUCTIVE
10
NONINDUCTIVE
+0.5A
(+)
25Vdc
(approx.)
()
D.U.T.
1W
NON-
INDUCTIVE
()
PULSE
GENERATOR
(NOTE 2)
(+)
OSCILLISCOPE(NOTE 1)
0
-0.25A
trr
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NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
6
5
4
3
Single Phase
Half Wave 60Hz
2
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
1
00 25 50 75 100 125 150 175
AMBIENT TEMPERATURE,(oC)
FIG.3-TYPICAL FORWARDCHARACTERISTICS
50
10
3.0
1.0
Tj= 25 C
0.1
Pu lse W idth 30 0u s
1% Du ty Cy cle
FIG.4-TYPICAL REVERSECHARACTERISTICS
50
10
3.0
1.0
Tj=100 C
Tj=25 C
0.1
.01.4 .6 .8 1. 0 1. 2 1. 4 1. 6 1. 8
FORWARD VOLTAGE,(V)
FIG.5-MAXIMUM NON-REPETITIVE FORWARDSURGE CURRENT
150
120
90
Tj=25 C
8.3ms Single Half
60
Sine Wave
JEDEC method
30
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
0 20 40 60 80 10 0 12 0 14 0
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
FIG.6-TYPICAL JUNCTION CAPACITANCE
175
150
125
100
75
50
25
0.01
.05 .1
.5 1
5 10
REVERSE VOLTAGE,(V)
50 100
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