1N4728A to 1N4764A
Vishay Semiconductors
Zener Diodes
Features
• Silicon planar power Zener diodes
• For use in stabilizing and clipping circuits
with high power rating
• Standard Zener voltage tolerance is ± 5 %
• Compliant to RoHS Directive 2002/95/EC
and in accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21
definition
17173
Applications
• Voltage stabilization
Mechanical Data
Case:
DO-41
Weight:
approx. 310 mg
Packaging codes/options:
TR/5K per 13" reel, 25K/box
TAP/5K per Ammo pack (52 mm tape), 25K/box
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Power dissipation
Z-current
1)
Test condition
Symbol
P
tot
I
Z
Value
1.3
1)
P
V
/V
Z
Unit
W
mA
Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature.
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Thermal resistance juntion to ambient air
Junction temperature
Storage temperature range
1)
Test condition
Symbol
R
thJA
T
j
T
stg
Value
110
1)
175
- 65 to + 175
Unit
K/W
°C
°C
Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature.
Electrical Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Forward voltage
Test condition
I
F
= 200 mA
Symbol
V
F
Min.
Typ.
Max.
1.2
Unit
V
Document Number 85816
Rev. 2.0, 08-Nov-10
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
1
1N4728A to 1N4764A
Vishay Semiconductors
Electrical Characteristics
1N4728A...1N4764A
Nominal
Zener
Part
number
voltage
1)
Test
current
I
ZT
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
7
6.5
6
5.5
5
4.5
4
3.7
3.3
3.0
2.8
2.5
Maximum dynamic impedance
Maximum reverse
leakage current
I
R
µA
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Surge
current
3)
Maximum
regulator
current
2)
I
ZM
mA
276
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
V
Z
at I
ZT
V
Z
ZT
at I
ZT
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
Z
ZK
at I
ZK
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
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
I
ZK
mA
1
1
1
1
1
1
1
1
1
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Test voltage at T
A
= 25 °C
V
R
I
R
V
1
1
1
1
1
1
2
3
4
5
6
7
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
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56
62.2
69.2
76.0
mA
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
95
90
80
70
65
60
55
50
45
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
1N4758A
1N4759A
1N4760A
1N4761A
1N4762A
1N4763A
1N4764A
1)
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
100
Based on dc-measurement at thermal equilibrium while maintaining the lead temperature (T
L
) at 30 °C + 1 °C, 9.5 mm (3/8") from the
diode body.
Valid provided that electrodes at a distance of 4 mm from case are kept at ambient temperature.
t
p
= 10 ms.
2)
3)
www.vishay.com
2
For technical questions within your region, please contact one of the following: Document Number 85816
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Rev. 2.0, 08-Nov-10
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
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