SF21G Просмотр технического описания (PDF) - Willas Electronic Corp.
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SF21G Datasheet PDF : 2 Pages
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2.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts
DO-15 Package
RATING AND CHARACTERISTICS CURVES
SF21G
THRU
SF28G
2.5
trr
50 Θ
10 Θ
+0.5A
NONINDUCTIVE
NONINDUCTIVE
2.0
(+)
25 Vdc
(approx)
(-)
D.U.T
1
NON-
INDUCTIVE
(-)
PULSE
GENERATOR
(NOTE 2)
0
-0.25A
(+)
OSCILLOSCOPE
(NOTE 1)
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 50/100 ns/cm
FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
1.5
1.0
0.5
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0
0 25
50 75
100 125 150 175
AMBIENT TEMPERATURE, ( OC)
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
100
TA = 100 OC
10
TA = 75 OC
1.0
0.1
TA = 25 OC
0.01
0 20
40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
20
10
TJ = 25 OC
3.0
1.0
SF28G
0.3
S F 2 5 G ~ S F 2 6G
0.1
S F 2 1 G ~ S F 2 4G
0.03
Pulse Width=300uS
1% Duty Cycle
0.01
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
200
8.3ms Single Half Sine-Wave
(JEDED Method)
100
50
30
20
10
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
200
O
100
TJ = 25 C
60
S F 2 1 G ~ S F 2 4G
40
20
10
SF25G~SF28G
6
4
2
1
0.1 0.2 0.4
1.0 2 4
10 20 40 100
REVERSE VOLTAGE, (V)
FIG.6 TYPICAL JUNCTION CAPACITANCE
2013-01
WILLAS ELEECTRONIC CORP.
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