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1.5KA30A Datasheet, PDF (3/3 Pages) Vishay Siliconix – Automotive Transient Voltage Suppressors
Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
100
Non-repetitive Pulse
Waveform shown in Fig. 3
TA = 25°C
10
1.0
1.5KA6.8 thru 1.5KA43A
Vishay Semiconductors
formerly General Semiconductor
Fig. 2 – Pulse Derating Curve
100
75
50
25
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 – Steady State Power
Derating Curve
5.0
L = 0.375" (9.5mm)
3.75 Lead Lengths
60HZ Resistive
or Inductive Load
0
0 25 50 75 100 125 150 175 200
TA — Ambient Temperature (°C)
Fig. 4 – Typical Junction Capacitance
Unidirectional
20,000
10,000
TJ = 25°C
f = 1.0MHz
Vsig = 50mVp-p
Measured at
Zero Bias
1,000
Measured at
Stand-Off
Voltage, VWM
100
1.0
10
100
V(BR) — Breakdown Voltage (V)
Fig. 6 - Maximum Non-Repetitive/Peak
Forward Surge Current
200
TL = 75°C
8.3ms Single Half Sine-Wave
(JEDEC Method)
100
2.5
0.8 x 0.8 x 0.040"
(20 x 20 x 1mm)
Copper Heat Sinks
1.25
0
0 25 50 75 100 125 150 175 200
TL — Lead Temperature (°C)
Document Number 88300
08-Oct-02
10
1
10
100
Number of Cycles at 60HZ
www.vishay.com
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