Product Specification
Circuit Protection
5
9
1.5SMBJ-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
80
100
10
1
60
40
20
0
0.2×0.2″(5.0×5.0mm)
CopperPad Area
0.1
1
10
100
1000
0
25
50
75
100 125 150
175
TA-Ambient Temperature (℃)
td-Pulse Width (µs)
Figure 3. Pulse Waveform
Figure 4. Typical Junction Capacitance
150
100000
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
10000
Peak Value IPPM
100
Uni-directional V=0V
1000
100
10
Uni-directional @VR
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
1000
0
1.0
2.0
3.0
4.0
1
10
100
t-Time (ms)
VBR-Reverse Breakdown Voltage (V)
Figure 5. Steady State Power Dissipation Derating
Curve
Figure 6. Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
200
180
160
140
120
100
80
6
5
4
3
2
1
0
60
40
20
0
0
25
50
75
100 125 150 175
1
10
100
Number of Cycles at 60Hz
TA-Ambient Temperature (℃)
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Jun. 30, 2023 V. 0