Transient Voltage Suppressors - P4SMA Series
Ratings and Characteristic Curves
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
10
100
80
60
40
20
0
1
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
0.1
0.000001
0.00001
0.0001
0.001
0
25
50
75
100 125 150 175
td-Pulse Width (sec.)
TA-Ambient temperature (ºC)
Figure 3 - Pulse Waveform
Figure 4 - Typical Junction Capacitance
150
10000
t =10µsec
r
T
=25°C
J
Bi-directional V=0V
as the point where the peak
current decays to 50% of I
PPM
1000
Uni-directional V=0V
Peak Value
I
100
PPM
Uni-directional @VR
100
10
1
Half Value
I
PPM
I
PPM
( 2 )
Bi-directional @VR
50
0
10/1000µsec. Waveform
Tj=25ºC
f=1.0MHz
Vsig=50mVp-p
1.0
10.0
100.0
1000.0
t
d
VBR - Reverse Breakdown Voltage (V)
1.0
2.0
t-Time (ms)
3.0
4.0
0
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current
Figure 5 - Steady State Power Derating Curve
1.2
1
45
40
35
30
25
20
15
10
5
0.8
0.6
0.4
0.2
0
0
0
25
50
75
100 125 150 175
1
10
100
TA - Ambient Temperature (ºC)
Number of Cycles at 60 Hz
Specifications are subject to change without notice.
Circuit Protection
System
Page:3
Please refer to http://www.ruilon.com for current information.
RUILON [ Ruilongyuan Electronics Co.,Ltd ]
