1SMA4728A 查看數據表（PDF） - SUNMATE electronic Co., LTD
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1SMA4728A Datasheet PDF : 2 Pages
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ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified
Nominal Zener
Maximum Zener
Type
Voltage
VZ @ IZT
IZT
Impedance
ZZT @ IZT ZZK @ IZK IZK
(V)
(mA)
(Ω)
(Ω)
(mA)
Maximum Reverse
Leakage Current
IR @ VR
(µA)
(V)
Maximum DC
Zener Current
IZM
(mA)
Maximum
Surge Current
IRM(2)
(mApk)
1SMA4728A
1SMA4729A
1SMA4730A
1SMA4731A
1SMA4732A
1SMA4733A
1SMA4734A
1SMA4735A
1SMA4736A
1SMA4737A
1SMA4738A
1SMA4739A
1SMA4740A
1SMA4741A
1SMA4742A
1SMA4743A
1SMA4744A
1SMA4745A
1SMA4746A
1SMA4747A
1SMA4748A
1SMA4749A
1SMA4750A
1SMA4751A
1SMA4752A
1SMA4753A
1SMA4754A
1SMA4755A
1SMA4756A
1SMA4757A
1SMA4758A
1SMA4759A
1SMA4760A
1SMA4761A
1SMA4762A
1SMA4763A
1SMA4764A
3.3
76.0
10
400
1.0
100
1.0
276
3.6
69.0
10
400
1.0
100
1.0
252
3.9
64.0
9.0
400
1.0
50
1.0
234
4.3
58.0
9.0
400
1.0
10
1.0
217
4.7
53.0
8.0
500
1.0
10
1.0
193
5.1
49.0
7.0
550
1.0
10
1.0
178
5.6
45.0
5.0
600
1.0
10
2.0
162
6.2
41.0
2.0
700
1.0
10
3.0
146
6.8
37.0
3.5
700
1.0
50
4.0
133
7.5
34.0
4.0
700
0.5
50
5.0
121
8.2
31.0
4.5
700
0.5
50
6.0
110
9.1
28.0
5.0
700
0.5
50
7.0
100
10
25.0
7.0
700
0.25
50
7.6
91
11
23.0
8.0
700
0.25
50
8.4
83
12
21.0
9.0
700
0.25
5.0
9.1
76
13
19.0
10
700
0.25
5.0
9.9
69
15
17.0
14
700
0.25
5.0
11.4
61
16
15.5
16
700
0.25
5.0
12.2
57
18
14.0
20
750
0.25
5.0
13.7
50
20
12.5
22
750
0.25
5.0
15.2
45
22
11.5
23
750
0.25
5.0
16.7
41
24
10.5
25
750
0.25
5.0
18.2
38
27
9.5
35
750
0.25
5.0
20.6
34
30
8.5
40
1000
0.25
5.0
22.8
30
33
7.5
45
1000
0.25
5.0
25.1
27
36
7.0
50
1000
0.25
5.0
27.4
25
39
6.5
60
1000
0.25
5.0
29.7
23
43
6.0
70
1500
0.25
5.0
32.7
22
47
5.5
80
1500
0.25
5.0
35.8
19
51
5.0
95
1500
0.25
5.0
38.8
18
56
4.5
110
2000
0.25
5.0
42.6
16
62
4.0
125
2000
0.25
5.0
47.1
14
68
3.7
150
2000
0.25
5.0
51.7
13
75
3.3
175
2000
0.25
5.0
56.0
12
82
3.0
200
3000
0.25
5.0
62.2
11
91
2.8
250
3000
0.25
5.0
69.2
10
100
2.5
350
3000
0.25
5.0
76.0
9.0
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
305
285
250
225
205
190
170
150
135
125
115
110
95
90
80
70
65
60
55
50
45
Notes :
(1) The type number listed have a standard tolerance on the nominal zener voltage of ± 5%.
(2) The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed
on IZT per JEDEC Method
2 of 2
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