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