SMA11 データシートの表示（PDF） - Master Instrument Corporation
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SMA11 Datasheet PDF : 4 Pages
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SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
SMA5.0 THRU SMA170CA
Stand-off Voltage
Peak Pulse Power
5.0 to 170 Volts
300 Watts
RATING AND CHARACTERISTIC CURVES SMA5.0 THRU SMA170CA
100
100
Non-Repetitive
Pulse Waveform
Shown in Figure 3
10
TA=25 ℃
75
1.0
Mounted on 5.0mm2
Copper Land Areas
0.1
0.1μs
1.0μs
10μs
100μs
td,PULSE WIDTH, SEC
1.0ms
FIG.1- PEAK PULSE POWER RATING CURVE
10ms
150
100
50
0
0
tf=10use
Peak Value
lppm
TA=25 ℃
Pulse Width (td)is Defined
as the Point Where the Peak
Current Decays to 50% of lpp
Half Value-lpp
2
10/1000usec Waveform
as Defined by R.E.A.
td
e-kt
1.0
2.0
3.0
4.0
t, TIME, ms
FIG.3- PULSE WAVEFORM
50
TJ=TJ max
8.3ms Single Half Since-Wave
40
JEDEC Method
30
20
50
25
0
0
25
50
75
100 125 150 175 200
TA ,AMBIENT TEMPERATURE (℃)
FIG.2- PULSE RATING CURVE
10,000
1,000
TJ=25 ℃
f = 1.0MHz
Vsig = 50mVp-p
Measured at
Zero Blas
100
Measured at
Stand-Off
Voltage (V MW)
10
1.0
2.0
5.0 10 20
50 100 200
V(BR),BREALDOWN VOLTAGE, VOLTS
FIG.4- TYPICAL JUNCTION CAPACITANCE
10
0
1
2
4
10
20
40
100
NUMBER OF CYCLES AT 60Hz
FIG.5- MAXIMUM NON-REPETITIVE
PEAK FOWARD SURGE CURRENT
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