®
1N4728A – Z1330A
WON-TOP ELECTRONICS
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Nominal Zener
Test
Maximum Zener Impedance
(Note 3)
Maximum
Max DC Zener Max Surge
Type
Voltage (Note 2) Current
Leakage Current
Current
Current 8.3ms
Number
(Note 1)
VZ @ IZT
(V)
IZT
ZZT @ IZT ZZK @ IZK
IZK
IR @ VR
IZM
IZS
(mA)
(Ω)
(Ω)
(mA)
(µA)
(V)
(mA)
(mA)
1N4728A
3.3
3.6
3.9
4.3
4.7
76.0
69.0
64.0
58.0
53.0
10
10
9.0
9.0
8.0
400
400
400
400
500
1.00
1.00
1.00
1.00
1.00
100
100
50
10
10
1.0
1.0
1.0
1.0
1.0
276
252
234
217
193
1380
1260
1190
1070
970
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
5.1
5.6
6.2
6.8
7.5
49.0
45.0
41.0
37.0
34.0
7.0
5.0
2.0
3.5
4.0
550
600
700
700
700
1.00
1.00
1.00
1.00
0.50
10
10
10
10
10
1.0
2.0
3.0
4.0
5.0
178
162
146
133
121
890
810
730
660
605
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
8.2
9.1
10
11
31.0
28.0
25.0
23.0
21.0
4.5
5.0
7.0
8.0
9.0
700
700
700
700
700
0.50
0.50
0.25
0.25
0.25
10
10
10
5
6.0
7.0
7.6
8.4
9.1
110
100
91
83
76
550
500
454
414
380
12
5
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
13
15
16
18
20
19.0
17.0
15.5
14.0
12.5
10
14
16
20
22
700
700
700
750
750
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
9.9
69
61
57
50
45
344
304
285
250
225
11.4
12.2
13.7
15.2
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
22
24
27
30
33
11.5
10.5
9.5
8.5
7.5
23
25
35
40
45
750
750
750
1000
1000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
16.7
18.2
20.6
22.8
25.1
41
38
34
30
27
205
190
170
150
135
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
36
39
43
47
51
7.0
6.5
6.0
5.5
5.0
50
60
70
80
95
1000
1000
1500
1500
1500
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
27.4
29.7
32.7
35.8
38.8
25
23
22
19
18
125
115
110
95
90
1N4758A
1N4759A
1N4760A
1N4761A
1N4762A
56
62
68
75
82
4.5
4.0
3.7
3.3
3.0
110
125
150
175
200
2000
2000
2000
2000
3000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
42.6
47.1
51.7
56.0
62.2
16
14
13
12
11
80
70
65
60
55
1N4763A
1N4764A
Z1110A
Z1120A
Z1130A
91
2.8
2.5
2.3
2.0
1.9
250
350
450
550
700
3000
3000
4000
4500
5000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
69.2
76.0
83.6
91.2
98.8
10
9.0
8.6
7.8
7.0
50
45
40
37
34
100
110
120
130
Z1150A
Z1160A
Z1180A
Z1200A
Z1220A
150
160
180
200
220
1.7
1.6
1.4
1.2
1.0
1000
1100
1200
1900
1600
6000
6500
7000
9990
8000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
114.0
121.6
136.8
152.0
167.2
6.4
5.8
5.2
4.7
4.0
30
28
25
22
20
Z1240A
Z1250A
Z1270A
Z1300A
Z1330A
240
250
270
300
330
0.9
0.9
0.8
0.8
0.7
1800
2000
2100
2300
2500
8500
9000
9000
9500
9500
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
182.4
190.0
205.0
228.0
250.2
3.8
3.6
3.3
3.0
2.7
19
18
16
15
13
Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.
2. Measured under thermal equilibrium and DC (IZT) test conditions.
3. f = 1KHz
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
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