SM4934 查看數據表（PDF） - Jiangsu Yutai Electronics Co., Ltd
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SM4934 Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES SM4933 THRU SM4937
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
10
N 1.
N 1.
trr
+0.5A
(+)
25VDC
(approx)
(-)
D.U.T.
1
NONIN-
DUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE2)
0
-0.25A
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 80ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
20
10 TJ = 25
Pulse Width = 300us
1% Duty Cycle
1.0
.1
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG.3 -- FORWARD DERATING CURVE z
1.0
.8
.6
.4
Single Phase
Half Wave 60Hz
.2 Resistive or
Inductive Load
0
0 25 50 75 100 125 150 175
LEAD TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
FIG.5 -- PEAK FORWARD SURGE CURRENT
200
100
60
40
20
10
6
4
2
1
.1 .2 .4
TJ = 25
1.0 2 4 10 20 40 100
REVERSE VOLTAGE,VOLTS
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
50
40
8.3ms Single Half
Sine-Wave
30
20
10
0
1
5
10
50 100
NUMBER OF CYCLES AT 60Hz
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