Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SILICON PLANAR POWER ZENER DIODES
ZM4728 - ZM4764
3.3 - 100V
LL-41 (MELF)
Glass Axial Package
For Use in Stabilzing and Clipping Circuits with High Power Rating
Standard Zener Voltage tolerance is +/- 10% . Add Suffix A FOR +/- 5% tolerance
ABSOLUTE MAXIMUM RATINGS (T
a
=25ºC)
DESCRIPTION
Power Dissipation at T
amb
=25ºC
Junction Temperature
Storage Temperature Range
THERMAL RESISTANCE
Junction to Ambient in free Air
*R
th (j-a)
170
K/W
SYMBOL
*P
D
T
j
T
stg
VALUE
1
+175
- 65 to +175
UNIT
W
ºC
ºC
*Valid provided that electrodes are kept at ambient temperature
ELECTRICAL CHARACTERISTICS (T
a
=25ºC V
F
<1.2V at 200mA )
*Maximum Zener
***V
ZT
at I
ZT
I
ZT
Device
Impedance
Z
ZK
at I
ZK
r
zt
Nominal
MAX
MAX
(V)
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
(mA)
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
(Ω )
Ω
10
10
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
14
16
20
22
23
25
35
40
45
(Ω )
Ω
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
(mA)
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.5
0.5
0.5
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
Surge
Current
Max
I
R
(mA)
1375
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
I
R
Max
(µA)
µ
150
100
100
50
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
V
R
**I
ZM
Max
(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
ZM4728
ZM4729
ZM4730
ZM4731
ZM4732
ZM4733
ZM4734
ZM4735
ZM4736
ZM4737
ZM4738
ZM4739
ZM4740
ZM4741
ZM4742
ZM4743
ZM4744
ZM4745
ZM4746
ZM4747
ZM4748
ZM4749
ZM4750
ZM4751
ZM4752
(V)
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
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
ZM4728_4764Rev120706E
Continental Device India Limited
Data Sheet
Page 1 of 4
SILICON PLANAR POWER ZENER DIODES
ZM4728 - ZM4764
3.3 - 100V
LL-41 (MELF)
Glass Axial Package
ELECTRICAL CHARACTERISTICS (T
a
=25ºC V
F
<1.2V at 200mA )
*Maximum Zener
***V
ZT
at I
ZT
I
ZT
Device
Impedance
Z
ZK
at I
ZK
r
zt
Nominal
MAX
MAX
(V)
36
39
43
47
51
56
62
68
75
82
91
100
(mA)
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
(Ω )
Ω
50
60
70
80
95
110
125
150
175
200
250
350
(Ω )
Ω
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
(mA)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
Max
(µA)
µ
5
5
5
5
5
5
5
5
5
5
5
5
V
R
Surge
Current
Max
I
R
(mA)
125
115
110
95
90
80
70
65
60
55
50
45
**I
ZM
Max
(mA)
25
23
22
19
18
16
14
13
12
11
10
9
ZM4753
ZM4754
ZM4755
ZM4756
ZM4757
ZM4758
ZM4759
ZM4760
ZM4761
ZM4762
ZM4763
ZM4764
(V)
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
* The Zener Impedance is derived from the 60 H
Z
AC voltage which results when an AC current having an RMS
value equal to 10% of the Zener current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
. Zener Impedance is measured at
two points to insure a sharp knee on the breakdown curve and to eliminate unstable units.
*Valid provided that electrodes are kept at ambient temperature
*** Measured under thermal equilibrium and DC test conditions
ZM4728_4764Rev120706E
Continental Device India Limited
Data Sheet
Page 2 of 4
ZM4728 - ZM4764
3.3 - 100V
LL-41 (MELF)
Glass Axial Package
Component Disposal Instructions
1. CDIL Semiconductor Devices are RoHS compliant, customers are requested to please
dispose as per prevailing Environmental Legislation of their Country.
2.
In Europe, please dispose as per EU Directive 2002/96/EC on Waste Electrical and
Electronic Equipment (WEEE).
ZM4728_4764Rev120706E
Continental Device India Limited
Data Sheet
Page 3 of 4
Customer Notes
ZM4728 - ZM4764
3.3 - 100V
LL-41 (MELF)
Glass Axial Package
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Semiconductor Device(s) best suited for application in your
product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the Device(s)
meet functionality parameters for your application. The information furnished in the Data Sheet and on the CDIL Web Site/CD is believed to
be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information. Furthermore, CDIL does
not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey any license under its patent
rights nor rights of others. These products are not designed for use in life saving/support appliances or systems. CDIL customers selling
these products (either as individual Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or
systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-2579 6150, 4141 1112 Fax + 91-11-2579 5290, 4141 1119
email@cdil.com
www.cdilsemi.com
ZM4728_4764Rev120706E
Continental Device India Limited
Data Sheet
Page 4 of 4
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