SF21 Ver la hoja de datos (PDF) - Daesan Electronics Corp.
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SF21 Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES SF21 THRU SF27
FIG . 1 -REVERSE RECOVERY
50
100
NONINDUCTIVE NONINDUCTIVE
TIME CHARACTERISTIC
AND TEST CIRCUIT DIAGRAM
trr
+0.5A
(+ )
DUT
50Vdc
(approx)
PULSE
GENERATOR
(NOTE 2 )
0
-0.5A
(-)
OSCILLOSCOPE
NONINDUCTIVE (NOTE 2 )
NOTES: 1 . RISE TIME = 7nsmax. INPUT
IMPEDANCE= 1 MEGOHM 22p
2 . RISETIME = 10ns max.SOURSE
IMPEDANCE = 50ohmsf
-1.0A
1cm
SET TIME BASE FOR
5/ 10ns / cm
FIG . 2 -MAXIMUM AVERAGE FORWARD
CURRENT DERATING
3.0
SINGLE PHASE
2.5
HALF WAVE 60Hz
RESISTIVE OR
2.0
INDUCTIVE LOAD
0.375"(9.5m m)
1.5
LEAD LENGTH
1.0
0.5
0
25 50 75 100125 150 175
AMBIENT TEMPERATURE . (OC)
FIG . 3 -TYPICAL REVERSE CHARACTERISTICS
1000
FIG . 4 -TYPICAL REVERSE CHARACTERISTICS
100.0
100
Tj=100 O C
10
Tj=25O C
1
.1
0 20 40 60 80 100 120
PERCENT OF RATED PEAK REVERSE VOLTAGE . (% )
FIG . 5 - MAXIMUM NON- REPETITIVE FORWARD SUREG
CURRENT
60
50
8.3ms Single Half Sine
40
Wave JEDEC Method
30
20
10
01
2
5
10
20
50 100
NUMBER OF CYCLES AT 60Hz
10.0
24
1.0
21
SF25
-SF26
SF27
0.1
Tj=25oC
Pulse Width=300 s
1% Duty Cycle
.01.4
.6
.8
1.0 1.2 1.4 1.6 1.8
FORWARD VOLTAGE . ( V )
FIG . 6 - TYPICAL JUNCTION CAPACITANCE
150
125
100
75
50
25
0.1
SF21 -S F24
SF25 -S F27
Tj=25 OC
.5 1 2 5 10 20 50 100 200 500 1000
REVERSE VOLTAGE . ( V)
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