ZM4757 데이터 시트보기 (PDF) - Semtech Electronics LTD.
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ZM4757 Datasheet PDF : 3 Pages
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ZM 4728...ZM 4764
TYPE
ZM4728
Nominal
Zener
voltage3)
Test
current
at
IZT
Vz V
3.3
IZTmA
76
Maximum Zener
Impedance1)
at
IZT
VzΩ
10
VzkΩ
400
at
IZKmA
1
Maximum reverse
leakage current
IR μA
150
at
VR V
1
Surge
current
at
TA = 25oC
IR mA
1375
Maxi-
mum
regulator
current2)
IZMmA
275
ZM4729
3.6
69
10
400
1
100
1
1260
252
ZM4730
3.9
64
9
400
1
100
1
1190
234
ZM4731
4.3
58
9
400
1
50
1
1070
217
ZM4732
4.7
53
8
500
1
10
1
970
193
ZM4733
5.1
49
7
550
1
10
1
890
178
ZM4734
5.6
45
5
600
1
10
2
810
162
ZM4735
6.2
41
2
700
1
10
3
730
146
ZM4736
6.8
37
3.5
700
1
10
4
660
133
ZM4737
7.5
34
4.0
700
0.5
10
5
605
121
ZM4738
8.2
31
4.5
700
0.5
10
6
550
110
ZM4739
9.1
28
5.0
700
0.5
10
7
500
100
ZM4740
10
25
7
700
0.25
10
7.6
454
91
ZM4741
11
23
8
700
0.25
5
8.4
414
83
ZM4742
12
21
9
700
0.25
5
9.1
380
76
ZM4743
13
19
10
700
0.25
5
9.9
344
69
ZM4744
15
17
14
700
0.25
5
11.4
304
61
ZM4745
16
15.5
16
700
0.25
5
12.2
285
57
ZM4746
18
14
20
750
0.25
5
13.7
250
50
ZM4747
20
12.5
22
750
0.25
5
15.2
225
45
ZM4748
22
11.5
23
750
0.25
5
16.7
205
41
ZM4749
24
10.5
25
750
0.25
5
18.2
190
38
ZM4750
27
9.5
35
750
0.25
5
20.6
170
34
ZM4751
30
8.5
40
1000
0.25
5
22.8
150
30
ZM4752
33
7.5
45
1000
0.25
5
25.1
135
27
ZM4753
36
7.0
50
1000
0.25
5
27.4
125
25
ZM4754
39
6.5
60
1000
0.25
5
29.7
115
23
ZM4755
43
6.0
70
1500
0.25
5
32.7
110
22
ZM4756
47
5.5
80
1500
0.25
5
35.8
95
19
ZM4757
51
5.0
95
1500
0.25
5
38.8
90
18
ZM4758
56
4.5
110
2000
0.25
5
42.6
80
16
ZM4759
62
4.0
125
2000
0.25
5
47.1
70
14
ZM4760
68
3.7
150
2000
0.25
5
51.7
65
13
ZM4761
75
3.3
175
2000
0.25
5
56.0
60
12
ZM4762
82
3.0
200
3000
0.25
5
62.2
55
11
ZM4763
91
2.8
250
3000
0.25
5
69.2
50
10
ZM4764
100
2.5
350
3000
0.25
5
76
45
9
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 electrodes are kept at ambient temperature.
3) Measured under thermal equilibrium and DC test conditions.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 10/05/2005
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