SM6.8 Datasheet, PDF (4/4 Pages) MIC GROUP RECTIFIERS – SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
SM6.8 THRU SM200CA
Breakdown Voltage
Peak Pulse Power
6.8 to 200 Volts
400 Watts
100
10
1.0
0.1
0.1μs
150
100
RATING AND CHARACTERISTIC CURVES SM6.8 THRU SM200CA
FIG.1- PEAK PULSE POWER RATING CURVE
Non-Repetitive
Pulse Waveform
Shown in Figure 3
TA=25 ℃
FIG.2- PULSE DERATING CURVE
100
75
SM6.8
SM91A
50
SM100
SM200A
1.0μs
10μs
100μs
td,PULSE WIDTH, SEC
1.0ms
10ms
FIG.3- PULSE WAVEFORM
tf=10use
TA=25 ℃
Pulse Width (td)is Defined
as the Point Where the Peak
Current Decays to 50% of lpp
Peak Value
lppm
25
0
0
25
50
75
100 125
150 175 200
TA ,AMBIENT TEMPERATURE (℃)
10,000
FIG.4- TYPICAL JUNCTION CAPACITANCE
TJ=25 ℃
f = 1.0MHz
Vsig = 50mVp-p
1,000
Measured at
Zero Blas
Half Value-lpp
50
2
10/1000usec Waveform
as Defined by R.E.A.
td
0
0
1.0
2.0
3.0
4.0
t, TIME, ms
100
Measured at
Stand-Off
Voltage (V MW)
FIG.5- STEADY STATE POWER DERATING CURVE
1.00
60 Hz
Resistive or induction load
0.75
0.50
0.31×0.31×0.08" COPPER PADS
(8×8×2mm)
0.25
0
0
25 50
75 100 125 150 175 200
T L,LEAD TEMPERATURE ℃
UNIDIRECTIONAL
10
1.0
10
100 200
V(BR),BREALDOWN VOLTAGE, VOLTS
FIG.6- MAXMIUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT UNIDIRECTIONAL ONLY
50
TJ=TJ max
8.3ms Single Half Since-Wave
40
JEDEC Method
30
20
10
0
1
10
100
NUMBER OF CYCLES AT 60Hz
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