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1.5SMC Datasheet, PDF (3/4 Pages) Vishay Siliconix – Surface Mount TRANSZORB Transient Voltage Suppressors
Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS 1.5SMC Series
Ratings and Characteristic Curves TA=25˚C unless otherwise noted
100
100
10
1
0.31x0.31"(8.0x8.0mm)
Copper Pad Areas
0.1
0.1µs 1.0µs 10µs
100µs 1.0ms
10ms
td- Pulse Width (sec.)
Fig. 1 Peak Pulse Power Rating
150
100
tr=10µsec
Peak Value
IPPM
TJ=25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Half Value IPPM
2
50
10/1000µsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
4.0
Fig. 3 Pulse Waveform
100
10
75
50
25
0
0 25 50 75 100 125 150 175 200
TA- Ambient Temperature (˚C)
Fig. 2 Pulse Derating Curve
20000
10000
Measured at
Zero Bias
1000
VR, Measured at
Stand-Off
100
Voltage, VWM
10
1.0
Uni-Directional
Bi-Directional
TJ=25˚C
f=1.0MHZ
Vsig=50mVp-p
10
100 200
VWM-Reverse Stand-Off Voltage (V)
Fig. 4- Typical Junction Capacitance
200
100
1.0
0.1
0.001 0.01
0.1 1 10 100
tp- Pulse Duration(sec)
1000
Fig. 5- Typ. Transient Thermal Impedance
8.3 Single Half Sine-Wave
(JEDEC Method)
TJ=TJ max.
10
1
10
100
Number of Cycles at 60Hz
Fig. 6- Maximum Non-Repetitive
Forward Surge Current
Uni-Directional Use Only
280
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