SF21 Datasheet, PDF (2/2 Pages) Mospec Semiconductor – POWER RECTIFIERS(2.0A,50-400V)

Diode Semiconductor Korea
SF21 - - - SF28
FIG.1 -- TEST CIRCUIT DIAGRAM AND REV ERSE RECOVERY TIM E CHARACTERISTIC
50
10
N 1.
N 1.
trr
+ 0 .5 A
(+)
25VDC
(approx)
(-)
D.U.T.
1
NONIN-
DUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE2)
N OTES:1 .R ISE TIME = 7n s MAX.IN PU T IMPED AN C E = 1M .2 2p F.
JJJJJ2.R ISE TIME =10 ns MAX.SOU R C E IMPED AN C E=5 0 .
0
-0 .2 5 A
-1 .0 A
1cm
SE T TIM E BA SE FOR 10 ns/cm
FIG.2 -- TYPICAL FORW ARD CHARACTERISTIC
100
10
1
0.1
0.01
.4
.6
Tj=25^oC
Pulse Width=300 s
1% Duty Cycle
.8
1.0 1.2 1.4 1.6
1.8
INSTA NTANE OUS FORW ARD VOLTAGE , VOLTS
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
TJ=25
2
1
0.1 0.2 0.4 1 2 4
SF21 - SF24
SF25 - SF28
10 20 40 100
REV ERS E V OLTA GE ,VOLTS
FIG.3 -- FORW ARD DERATING CURVE
z
3.0
Single Phase
2.5
Half Wave 60HZ
Resistive or
Inductive Load
2.0
0.375"(9.5mm)Lead Length
1.5
1.0
0.5
0
0 25 50 75 100 125 150 175
A M BIENT TE M P ERA TURE,
FIG.5 -- PEAK FORW ARD SURGE CURRENT
70
60
50
8.3ms Single Half
Sine-Wave
40
30
20
10
0
1
5 10
50 100
NUMBER OF CYCLES AT 60Hz
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