ZM4745A Diodes Incorporated, ZM4745A Datasheet - Page 2

• Manufacturer Part Number: ZM4745A
• Description: 1.0W SURFACE MOUNT ZENER DIODE
• Manufacturer: Diodes Incorporated

Electrical Characteristics
Notes:
DS18009 Rev. 3 - 3
ZM4728A
ZM4729A
ZM4730A
ZM4731A
ZM4732A
ZM4733A
ZM4734A
ZM4735A
ZM4736A
ZM4737A
ZM4738A
ZM4739A
ZM4740A
ZM4741A
ZM4742A
ZM4743A
ZM4744A
ZM4745A
ZM4746A
ZM4747A
ZM4748A
ZM4749A
ZM4750A
ZM4751A
ZM4752A
ZM4753A
ZM4754A
ZM4755A
ZM4756A
ZM4757A
ZM4758A
ZM4759A
ZM4760A
ZM4761A
ZM4762A
ZM4763A
ZM4764A
Number
Type
1. Measured under thermal equilibrium and DC (I
2. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to
10% of the Zener current (I
sharp knee on the breakdown curve and to eliminate unstable units.
Voltage (1)
Nominal
V
Zener
Z
100
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
@ I
V
ZT
Current
Test
15.5
12.5
11.5
10.5
mA
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
I
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
14
ZT
ZT
@ T
or I
ZK
A
Z
) is superimposed on I
ZT
= 25°C unless otherwise specified
Maximum Zener Impedance (2)
110
125
150
175
200
250
350
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
10
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
W
@ I
ZT
ZT
Z
) test conditions.
ZK
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
W
@ I
2 of 3
ZK
ZT
or I
ZK
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
mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
I
. Zener impedance is measured at two points to insure a
ZK
Maximum Reverse
Leakage Current
100
100
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
µA
50
10
10
10
10
10
10
10
10
10
10
I
R
@ V
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
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
V
R
Max Surge
Current
8.3ms
ZM4728A-ZM4764A
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
110
mA
I
95
90
80
70
65
60
55
50
45
ZS
Maximum
Current
Zener
276
252
234
217
193
178
162
146
133
121
110
100
mA
I
9.0
91
83
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
ZM