SMF24AT1G Datasheet, PDF (4/6 Pages) ON Semiconductor – 200 W Transient Voltage Suppressor SOD-123 Flat Lead Package

SMF5.0AT1G Series, SZSMF5.0AT1G Series
TYPICAL PROTECTION CIRCUIT
Z_in
V_in
LOAD
V_L
10,000
1000
100
10
1.0
10
100
1000
t_P, PULSE WIDTH (ms)
Figure 1. Pulse Rating Curve
PULSE WIDTH (t_P) IS DEFINED
t_r
AS THAT POINT WHERE THE PEAK
CURRENT DECAYS TO 50%
100
OF I_RSM.
PEAK VALUE − I_RSM
t_r ≤ 10 ms
HALF VALUE − ^IRSM
50
2
t_P
0
10,000 0
1
2
3
4
t, TIME (ms)
Figure 2. 10 X 1000 ms Pulse Waveform
100
t_r
90
80
70
60
50
40
30
t_P
20
10
0
0
PEAK VALUE I_RSM @ 8 ms
PULSE WIDTH (t_P) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 ms
HALF VALUE I_RSM/2 @ 20 ms
20
40
60
80
t, TIME (ms)
Figure 3. 8 X 20 ms Pulse Waveform
160
140
120
100
80
60
40
20
0
0
25
50
75
100
125 150
T_A, AMBIENT TEMPERATURE (°C)
Figure 4. Pulse Derating Curve
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