SM4934 Ver la hoja de datos (PDF) - Daesan Electronics Corp.
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SM4934 Datasheet PDF : 2 Pages
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RATINGS AND CHARACTERISTIC CURVES SM4933 THRU SM4937
FIG.1- REVERSE RECOVERYTIME CHARACTERISTIC ANDTEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
10
NONINDUCTIVE
(+ )
50Vdc
(approx)
(-)
DUT
NON
INDUCTIVE
(-)
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
( NOTE 2 )
(+)
NOTES: 1. Rise Time=7ns max. Input Impedanec=
1 megohm 22pf
2. Rise Time=10nsmax. Sourse Impedance=
50 ohms
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
1.0
.8
+0.5A
0
-0.25A
-1.0A
trr
1cm
SET TIME BASEFOR
5/ 10ns/ cm
FIG.5- TYPICAL FORWARD CHARACTERISTICS
20
10
.6
3.0
.4
P.C.B. MONTEDON 0.2X0.2"
.2
(5.0X5.0mm)COPPER AREAS PADS
0
0
25
50 75
100 125 150 175
AMBIENT TEMPERATURE. (OC)
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
30
TA=75OC
8.3ms Single Half Sine Wave
JEDEC Method
20
1.0
0.3
Tj=25OC
0.1
Pulse Width=300us
1% Duty Cycie
.03
.01
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE. (V)
10
1.0 CYCLE
0
1
2 4 6 8 10
20
40 6 0 80 10 0
NUMBER OF CYCLES AT 60Hz
FIG.4- TYPICAL JUNCTIONCAPACITANCE
20
10
Tj=25OC
FIG.6- TYPICAL REVERSECHARACTERISTICS
100
Tj=100OC
10
1.0
Tj=25OC
f=1 Mhz
Vsig=50mVp-p
1
1
10
100
REVERSE VOLTAGE. (V)
.10
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
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