Circuit Protection
Product Specification
5
7
P4SMA-AT
Transient Voltage Suppressors
Ratings and Characteristic Curves (TA=25℃ unless otherwise noted)
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Derating Curve
100
100
80
10
1
60
40
20
0
0.2×0.2″(5.0×5.0mm)
Copper Pad Area
0.1
1
10
100
1000
0
25
50
75
100 125 150
175
td-Pulse Width (µs)
TA-Ambient Temperature (℃)
Figure 3. Pulse Waveform
Figure 4. Typical Junction Capacitance
10000
150
TJ=25℃
Pulse Width(td) is defined as
the point where the peak
tr=10µs
Bi-directional V=0V
current decays to 50% of IPPM
1000
Uni-directional V=0V
Peak Value IPPM
100
Uni-directional @VR
100
10
Half Value IPPM (IPPM/2)
50
0
10/1000µs Waveform
as defined by R.E.A
Bi-directional @VR
TJ=25℃
f=1.0MHz
Vsig=50mVp-p
td
1
1
10
100
1000
0
1.0
2.0
3.0
4.0
VBR-Reverse Breakdown Voltage (V)
t-Time (ms)
Figure 5. Steady State Power Dissipation Derating
Curve
Figure 6. Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
3.6
3.0
45
40
35
30
25
20
15
10
5
2.4
1.8
1.2
0.6
0
0
1
10
100
0
25
50
75
100 125 150 175
TA-Ambient Temperature (℃)
Number of Cycles at 60Hz
www.yageo.com
Apr. 29, 2019 V.0