RATING AND CHARACTERISTIC CURVES (SF21 THRU SF27)
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
trr
+0.5A
|
|
|
|
|
|
|
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FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
2.4
2.0
1.6
1.2
0.8
0.4
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
0
-0.25A
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
AMBIENT TEMPERATURE,( C)
FIG.3-TYPICAL FORWARD
CHARACTERISTICS
50
INSTANTANEOUS FORWARD CURRENT,(A)
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
50
3.0
1.0
SF
21~
SF
24
REVERSE LEAKAGE CURRENT, ( A)
10
10
3.0
1.0
Tj=100 C
SF
25
~S
F2
6
SF
27
0.1
Tj=25 C
Pulse Width 300us
1% Duty Cycle
Tj=25 C
0.1
.01
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
.01
0
20
40
60
80
100 120 140
FORWARD VOLT
AGE,(V)
PERCENT OF RATED PEAK REVERSE VOLT
AGE,(%)
FIG.5-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
100
FIG.6-TYPICAL JUNCTION CAPACITANCE
175
150
125
100
75
50
25
0
80
60
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
40
20
0
1
5
10
50
100
JUNCTION CAPACITANCE,(pF)
.01
.05
.1
.5
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,(V)
UNIOHM [ UNIOHM CORPORATION ]
