SM4933 查看數據表（PDF） - Frontier Electronics.
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SM4933 Datasheet PDF : 2 Pages
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RATING AND CHARACTERISTIC CURVES SM4933 THRU SM4937
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50Ω
10Ω
NO INDUCTIVE
NO INDUCTIVE
Trr
(+)
25 Vdc
(approx)
(-)
D.U.T.
1Ω
NON
INDUCTIVE
(-)
+0.5A
PULSE
GENERATOR
( NOTE 2 )
0
OSCILLOSCOPE (+)
( NOTE 1 )
-0.25A
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
-1.0A
1cm
SET TIME BASE
FOR
FIG. 2 - TYPICAL FORWARD CURRENT
DERATING CURVE
1.0
.8
.6
.4 Single Phase
Half Wave 60Hz
.2 Resistive or
Inductive Load
0
0 25 50 75
100 125 150 175
TERMINAL TEMPERATURE’ (℃)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
10
4
1.0
TJ=100℃
.4
.1
.04
TJ=25℃
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE’ (%)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
50
40
30
8.3ms Single Hhalf
9.Sine-Wave (JEDEC Method
20
10
0
1
2 4 6 8 10 20 40 60 80100
NUMBER OF CYCLES AT 60HZ
SM4933 THRU SM4937
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
TJ=25℃
pulse Width=300us
1% Duty Cycle
1.0
0.1
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE’ (V)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
TJ=25℃
4
2
1
.1 .2 .4 1.0 2 4 10 20 40 100
REVERSE VOLTAGE’ (V)
Page: 2
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