Surface Mount Zener Diodes
SMA4728A - SZ1330A Series
Electrical Characteristics (TA=25℃ unless otherwise noted)
Nominal Zener
VZ: 3.3 To 330 V
PD: 1 W
Maximum
Reverse Leakage
Current
Maximum
DC Zener
Current
Maximum
Surge
Current
Maximum Zener Impedance
Voltage
Part Number
Marking
VZ @IZT
IZT
(mA)
76.0
69.0
64.0
58.0
53.0
49.0
45.0
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
ZZT @IZT
(Ω)
ZZK @IZK
(Ω)
IZK
IR @VR
IZM
(mA)
274.0
251.0
232.0
210.0
192.0
177.0
161.0
146.0
133.0
121.0
110.0
100.0
91.0
83.0
76.0
69.0
61.0
57.0
50.0
45.0
41.0
38.0
34.0
30.0
27.0
25.0
23.0
22.0
19.0
18.0
16.0
14.0
13.0
12.0
11.0
10.0
9.0
IRM
(mApk)
1370
1255
1160
1050
960
885
805
730
660
605
550
500
454
414
380
344
305
285
250
225
205
190
170
150
135
125
115
110
95
(V)
3.3
(mA)
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
(μA)
100.0
100.0
50.0
10.0
10.0
10.0
10.0
10.0
5.0
(V)
1.0
SMA4728A
SMA4729A
SMA4730A
SMA4731A
SMA4732A
SMA4733A
SMA4734A
SMA4735A
SMA4736A
SMA4737A
SMA4738A
SMA4739A
SMA4740A
SMA4741A
SMA4742A
SMA4743A
SMA4744A
SMA4745A
SMA4746A
SMA4747A
SMA4748A
SMA4749A
SMA4750A
SMA4751A
SMA4752A
SMA4753A
SMA4754A
SMA4755A
SMA4756A
SMA4757A
SMA4758A
SMA4759A
SMA4760A
SMA4761A
SMA4762A
SMA4763A
SMA4764A
28A
29A
30A
31A
32A
33A
34A
35A
36A
37A
38A
39A
40A
41A
42A
43A
44A
45A
46A
47A
48A
49A
50A
51A
52A
53A
54A
55A
56A
57A
58A
59A
60A
61A
62A
63A
64A
10.0
10.0
9.0
400
3.6
400
1.0
3.9
400
1.0
4.3
9.0
400
1.0
4.7
8.0
500
1.0
5.1
7.0
550
1.0
5.6
5.0
600
2.0
6.2
2.0
700
3.0
6.8
3.5
700
4.0
7.5
4.0
700
5.0
5.0
8.2
4.5
700
5.0
6.0
9.1
5.0
700
0.5
7.0
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
56.0
62.0
68.0
75.0
82.0
91.0
100.0
7.0
700
0.5
7.6
8.0
700
0.1
8.4
9.0
700
0.1
9.1
10.0
14.0
16.0
20.0
22.0
23.0
25.0
35.0
40.0
45.0
50.0
60.0
70.0
80.0
95.0
110.0
125.0
150.0
175.0
200.0
250.0
350.0
700
0.1
9.9
700
0.1
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
700
0.1
750
0.1
750
0.1
750
0.1
750
0.1
750
0.1
8.5
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
0.1
7.5
0.1
7.0
0.1
6.5
0.1
6.0
0.1
5.5
0.1
5.0
0.1
90
4.5
0.1
80
4.0
0.1
70
3.7
0.1
65
3.3
0.1
60
3.0
0.1
55
2.8
0.1
50
2.5
0.1
45
SOCAY Electronics Co., Ltd.
www.socay.com
@ SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Revision November 21, 2013
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