P4SMA Ver la hoja de datos (PDF) - Formosa Technology
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P4SMA Datasheet PDF : 3 Pages
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Glass Passivated Junction Transient Voltage Suppressor
P4SMA SERIES
RATING AND CHARACTERISTIC CURVES P4SMA SERIES
Formosa MS
Fig. 1 - Peak Pulse Power Rating Curve
100
Fig.2 - Pulse Derating Curve
100
Non-repetitive Pulse
Wavetorm shown in Fig.3
87.5
058 10
803 0 P4SMA100A –
6 P4SMA170A
131 1
TA = 25°C
P4SMA6.8A –
P4SMA91A
Kinter 0.2x0.2"(5.0x5.0mm)
S Copper Pad Areas
M 0.1
F 0.1µs
1.0µs
10µs
100µs
深圳 td - Pulse Width (sec.)
1.0ms
10ms
75
62.5
50
37.5
25
12.5
0
0
0.2x0.2"(5.0x5.0mm)
Copper Pad Areas
25
50
75
100 125 150 175
TA - Ambient Temperature (°C)
200
Fig.3 - Pulse Waveform
150
tr = 10µsec.
Peak Value
IPPM
100
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
t - Time(ms)
3.0 4.0
4.0
Fig. 5 - Typ.Transient Thermal Impedance
1000
100
10
10000
1000
Fig.4 - Typical Junction Capacitance
TJ = 25°C
f = 1.0MHZ
Vsig = 50mVp-p
Measured at
Stand-Off
Voltage, VWM
Uni-Directional
100
Bi-Directional
1000
10
1
10
100 200
VWM - Reverse Stand-Off Voltage (V)
Fig.6 - Maximum Non-Repetitive Peak Forward Surge
Current Uni-Directional Only
200
TJ = TJ max,
8.3ms Single Half Sine-Wave
(JEDEC Method)
100
50
1
0
0.2
0.4
0.6
0.8
1
1.2
tp-Pulse Duration (sec)
10
0
0.2
0.45
0.6
0.8
1
1.2
Number of Cycles at 60 Hz
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 3
Document ID Issued Date
DS-222645 2008/02/10
Revised Date Revision
2010/03/10
B
Page.
3
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