TPSMA18A(2002) データシートの表示（PDF） - Vishay Semiconductors
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TPSMA18A Datasheet PDF : 3 Pages
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Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
Fig.1 – Peak Pulse Power Rating Curve
100
TA = 25°C
Non-repetitive pulse
waveform shown in Fig. 3
10
1.0
0.1
0.1µs
0.2 x 0.2" (5.0 x 5.0mm)
copper pad areas
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 – Maximum Non-Repetitive
Peak Forward Surge Current
200
TJ = TJ max
8.3ms single half sine-wave
(JEDEC method)
100
50
TPSMA6.8 thru TPSMA43A
Vishay Semiconductors
formerly General Semiconductor
Fig. 2 – Pulse Derating Curve
100
75
50
25
0
0
50
100
150
200
TA, Ambient Temperature (°C)
Fig. 4 – Typical Junction Capacitance
10,000
TJ = 25°C
f = 1 MHz
Vsig = 50mVp-p
1,000
VR measured
at zero bias
100
10
1
VR measured
at stand-off
voltage, VWM
10
100 200
V(BR), Breakdown Voltage (V)
10
1
5
10
50 100
Number of Cycles at 60 Hz
Document Number 88405
06-May-02
www.vishay.com
3
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