SMA4728A 查看數據表（PDF） - Unspecified
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SMA4728A Datasheet PDF : 3 Pages
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SMA4728A-SZ1330A
Ratings and Characteristics Curves (TA=25℃ unless otherwise noted)
1.0
0 0.8 1
75
1
10.560
0
0.4
0.2
100
10 14 10 10.6
20 22 20 17
30 30 30 24
40 40 50 Ran4ge0.2
10
50 50 70 58
70 70 90 78
90 90 100 90
97 100
0.0
1
0 25 50 75 100 125 150 175 200
10
100
Lead Temperature ,TL (℃)
Zener Voltage, Vz, (V)
Fig. 1 - Power Temperature Derating Curve
Fig. 2 - Temperature Coefficients v.s. Zener
Voltage
Tr=10μs
TJ = 25 °C
100
Peak Value
(Ipp)
Pulse Width (td) is defined as the
point where the peak current
decays to 50 % of Ipp
Half Value = Ipp
2
50
10/1000 μsec. Waveform
as defined by R.E.A.
td
0
0
1
2
3
4
Time , (ms)
Fig. 3 - Pulse Waveform
100
0.02 100 0.01
90
5% 2D0uty Cyc6le.1
15
5.5
1000 2.5 1000 1.7
10
10% Duty Cycle
20% Duty Cycle
1
0.01
0.1
0.01
27 0.01
0.04 11V-91V Non1-R9epetit0iv.e09
14 R0e.c0ta1ngular W4.a9veform
10 TJ=285°C Prior t4o Initial Pulse
0.15
14 0.4 8 100 2.1
0.7
10 0.8 7.1
1
9
26
3
7
55
5
6.1 10 4.2
9
5 100 2.1
40
3
1 P1u0ls0e Width, PW, (s) 2.110
100
1000
Fg. 4 - Maximum Surge Power
Revision: F
Aug-10-2017
www.anova-semi.com
P. 2
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