SMBJ12AON Datasheet, PDF (3/6 Pages) ON Semiconductor – 600 Watt Peak Power Zener Transient Voltage Suppressor

SMBJ12AON
100
t_r
90
80
70
60
50
40
30
t_P
20
10
0
0
PEAK VALUE I_RSM @ 1.6 ms
PULSE WIDTH (t_P) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 1.6 ms
HALF VALUE I_RSM/2 @ 6.5 ms
6.5
t, TIME (ms)
Figure 1. 1.6 × 6.5 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 2. 8 × 20 ms Pulse Waveform
PULSE WIDTH (t_P) IS DEFINED AS
160
t_r ≤ 10 ms
THAT POINT WHERE THE PEAK
140
CURRENT DECAYS TO 50% OF I_PP.
100
120
PEAK VALUE − I_PP
100
50
HALF VALUE −
I_PP
2
80
60
t_P
0
0
1
2
3
4
t, TIME (ms)
40
20
0
0
25
50
75
100
125 150
T_A, AMBIENT TEMPERATURE (°C)
Figure 3. 10 × 1000 ms Pulse Waveform
Figure 4. Pulse Derating Curve
TYPICAL PROTECTION CIRCUIT
Z_in
V_in
LOAD
V_L
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