1.5SMC Datasheet, PDF (3/3 Pages) Vishay Siliconix – Surface Mount TRANSZORB Transient Voltage Suppressors

Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
100
1.5SMC Series
Vishay Semiconductors
formerly General Semiconductor
Fig. 2 – Pulse Derating Curve
100
10
1
0.31 x 0.31" (8.0 x 8.0mm)
Copper Pad Areas
0.1
0.1µs
1.0µs
10µs
100µs 1.0ms
td — Pulse Width (sec.)
10ms
Fig. 3 – Pulse Waveform
150
tr = 10µsec.
TJ = 25°C
Pulse Width (td)
is defined as the point
Peak Value
where the peak current
IPPM
100
decays to 50% of IPPM
Half Value — IPP
IPPM
2
50
10/1000µsec. Waveform
as defined by R.E.A.
td
0
0
1.0
2.0
3.0
4.0
t — Time (ms)
Fig. 5 – Typical Transient Thermal
Impedance
100
10
75
50
25
0
0 25 50 75 100 125 150 175 200
TA — Ambient Temperature (°C)
20,000
10,000
Fig. 4 – Typical Junction Capacitance
Uni-Directional
Measured at
Zero Bias
1,000
100
10
1
VR, Measured at
Stand-Off
Voltage, VWM
Uni-Directional
Bi-Directional
TJ = 25°C
f = 1.0MHz
Vsig = 50mVp-p
10
100
400
VWM — Reverse Stand-Off Voltage (V)
Fig. 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Use Only
200
100
1.0
0.1
0.001
0.01
0.1
1
10
100
tp — Pulse Duration (sec)
1000
Document Number 88303
31-Jul-03
10
1
8.3ms Single Half Sine-Wave
(JEDEC Method)
TJ = TJ max.
10
100
Number of Cycles at 60Hz
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