1N4728 データシートの表示（PDF） - GOOD-ARK1
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1N4728 Datasheet PDF : 3 Pages
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Type
Zener voltage
range 3)
Maximum Zener Impedance 1)
Vznom
IZT
V
mA
rzjT and rzjk at IZK
mA
Reverse leakage
current
IR at VR
uA
V
Surge
current at
TA=25
IR
mA
1N4728
3.3
76
10
400
1.0
150
1
1375
1N4729
3.6
69
10
400
1.0
100
1
1260
1N4730
3.9
64
9
400
1.0
100
1
1190
1N4731
4.3
58
9
400
1.0
50
1
1070
1N4732
4.7
53
8
500
1.0
10
1
970
1N4733
5.1
49
7
550
1.0
10
1
890
1N4734
5.6
45
5
600
1.0
10
2
810
1N4735
6.2
41
2
700
1.0
10
3
730
1N4736
6.8
37
3.5
700
1.0
10
4
660
1N4737
7.5
34
4.0
700
0.5
10
5
605
1N4738
8.2
31
4.5
700
0.5
10
6
550
1N4739
9.1
28
5.0
700
0.5
10
7
500
1N4740
10
25
7
700
0.25
10
7.6
454
1N4741
11
23
8
700
0.25
5
8.4
414
1N4742
12
21
9
700
0.25
5
9.1
380
1N4743
13
19
10
700
0.25
5
9.9
344
1N4744
15
17
14
700
0.25
5
11.4
304
1N4745
16
15.5
16
700
0.25
5
12.2
285
1N4746
18
14
20
750
0.25
5
13.7
250
1N4747
20
12.5
22
750
0.25
5
15.2
225
1N4748
22
11.5
23
750
0.25
5
16.7
205
1N4749
24
10.5
25
750
0.25
5
18.2
190
1N4750
27
9.5
35
750
0.25
5
20.6
170
1N4751
30
8.5
40
1000
0.25
5
22.8
150
1N4752
33
7.5
45
1000
0.25
5
25.1
135
1N4753
36
7.0
50
1000
0.25
5
27.4
125
1N4754
39
6.5
60
1000
0.25
5
29.7
115
1N4755
43
6.0
70
1500
0.25
5
32.7
110
1N4756
47
5.5
80
1500
0.25
5
35.8
95
1N4757
51
5.0
95
1500
0.25
5
38.8
90
1N4758
56
4.5
110
2000
0.25
5
42.6
80
1N4759
62
4.0
125
2000
0.25
5
47.1
70
1N4760
68
3.7
150
2000
0.25
5
51.7
65
1N4761
75
3.3
175
2000
0.25
5
56.0
60
1N4762
82
3.0
200
3000
0.25
5
62.2
55
1N4763
91
2.8
250
3000
0.25
5
69.2
50
1N4764
100
2.5
350
3000
0.25
5
76.0
45
Notes:
(1) The Zener Impedance is derived from the 60 Hz AC voltage which results when an AC current having an RMS value
equal to 10% of the Zener current (IZT or IZK) is superimposed on IZT or IZK. Zener Impedance is measured at two points
to insure a sharp knee on the breakdown curve and to eliminate unstable units.
(2) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
(3) Measured under thermal equilibrium and DC test conditions.
Maximum
regulator current 2)
IZM
mA
275
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
9
2
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