SF21G Ver la hoja de datos (PDF) - Shenzhen Luguang Electronic Technology Co., Ltd
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SF21G Datasheet PDF : 2 Pages
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SF21G-SF28G
2.0 AMP. Glass Passivated Super Fast Rectifiers
RATINGS AND CHARACTERISTIC CURVES (SF21G THRU SF28G)
FIG.1- MAXIMUM AVERAGE FORWARD CURRENT
DERATING
3.0
FIG.2- TYPICAL REVERSE CHARACTERISTICS
1000
2.5
2.0
1.5
Single Phase
Half Wave 60Hz
1.0
Resistive or
Inductive Load
0.5
0.375" (9.5mm)
Lead Length
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE. (OC)
FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT
60
50
40
8.3ms Single Half Sine Wave
JEDEC Method
30
100
Tj=1250C
10
Tj=750C
1
Tj=250C
0.1
0
20
40
60 80
100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
20
FIG.5- TYPICAL FORWARD CHARACTERISTICS
10
100
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
FIG.4- TYPICAL JUNCTION CAPACITANCE
150
125
100
75
50
25
0
0.1
SF21G~SF24G
SF25G~SF28G
Tj=250C
0.5 1 2
5 10 20 50 100 200 500 1000
REVERSE VOLTAGE. (V)
10
SF21G~SFS2F4G25G~SF26G
1
SF27G~SF28G
0.1
Tj=25oC
Pulse Width=300 s
1% Duty Cycle
0.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
FORWARD VOLTAGE. (V)
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
10
NONINDUCTIVE
(+)
50Vdc
(approx)
(-)
DUT
OSCILLOSCOPE
NON
(NOTE 1)
INDUCTIVE
(-)
PULSE
GENERATOR
(NOTE 2)
(+)
trr
+0.5A
0
-0.25A
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
-1.0A
1cm
SET TIME BASE FOR
5/ 10ns/ cm
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