SF21 Просмотр технического описания (PDF) - Shenzhen Taychipst Electronic Co., Ltd
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SF21 Datasheet PDF : 2 Pages
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SUPER FAST RECTIFIERS
SF21 THRU SF28
50V-600V
2.0A
2.5
10
2.0
SF21 - SF24
SF25 - SF26
2.0
1.5
1.0
0.5
Single phase half-wave
60 Hz resistive or inductive load
0
25 50 75 100 125
150 175 200
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
60
SF27
1.0
0.01
Tj = 25°C
Pulse width = 300µs
0.6
0.8
1.0
1.2
1.4
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
SF21 - SF24
Tj = 25°C
f = 1.0MHz
40
SF25 - SF27
10
20
0
1
10
100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Peak Forward Surge Current
1
1
10
100
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
FIG.5- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50W
NONINDUCTIVE
10W
NONINDUCTIVE
+0.5A
(+)
25Vdc
(approx.)
()
D.U.T.
1W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
()
PULSE
GENERATOR
(NOTE 2)
(+)
0
-0.25A
trr
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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
FIG.6-TYPICAL FORWARD CURRENT
DERATING CURVE
2.4
2.0
1.6
1.2
0.8
0.4
0
0
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
25 50 75 100 125 150 175
AMBIENT TEMPERATURE,( C)
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