SML4728 to SML4764A
www.vishay.com
Vishay Semiconductors
Surface Mount Zener Diodes
FEATURES
• Plastic package has underwriters laboratory
flammability classification 94 V-0
• For surface mounted applications
• Low Zener impedance
• Low regulation factor
• High temperature soldering guaranteed:
260 °C/10 s at terminals
• Standard voltage tolerance is 10 %, suffix A ± 5 %
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
UNIT
V
mA
PRIMARY CHARACTERISTICS
PARAMETER
V
Z
range nom.
Test current I
ZT
V
Z
specification
Int. construction
VALUE
3.3 to 100
2.5 to 76
Thermal equilibrium
Single
ORDERING INFORMATION
DEVICE NAME
SML4728 to SML4764A
SML4728 to SML4764A
ORDERING CODE
SML4728 to SML4764A-series-5A
SML4728 to SML4764A-series-61
TAPED UNITS PER REEL
7500 (12 mm tape on 13" plastic reel)
1800 (12 mm tape on 7" plastic reel)
MINIMUM ORDER QUANTITY
PACKAGE
PACKAGE NAME
DO-214AC
WEIGHT
64 mg
MOLDING COMPOUND MOISTURE SENSITIVITY
FLAMMABILITY RATING
LEVEL
UL 94 V-0
MSL level 1
(according J-STD-020)
SOLDERING
CONDITIONS
260 °C/10 s at terminals
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Power dissipation
Junction temperature
Storage temperature range
TEST CONDITION
T
L
= 75 °C
SYMBOL
P
tot
T
j
T
stg
VALUE
1000
150
- 65 to + 150
UNIT
mW
°C
°C
Rev. 1.8, 29-Nov-11
Document Number: 85782
1
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SML4728 to SML4764A
www.vishay.com
Vishay Semiconductors
REVERSE
CURRENT
I
R
at V
R
μA
MAX.
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
2.8
2.5
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
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
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
V
MAX.
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
SURGE
CURRENT
(2)
I
RM
mA
pk
MAX.
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
MAX.
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
305
285
250
225
205
190
170
150
135
125
115
110
95
90
80
70
65
60
55
50
45
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
(1)
PART
NUMBER
MARKING
CODE
V
Z
at I
ZT1
V
NOM.
SML4728
SML4729
SML4730
SML4731
SML4732
SML4733
SML4734
SML4735
SML4736
SML4737
SML4738
SML4739
SML4740
SML4741
SML4742
SML4743
SML4744
SML4745
SML4746
SML4747
SML4748
SML4749
SML4750
SML4751
SML4752
SML4753
SML4754
SML4755
SML4756
SML4757
SML4758
SML4759
SML4760
SML4761
SML4762
SML4763
SML4764
3P3
3P6
3P9
4P3
4P7
5P1
5P6
6P2
6P8
7P5
8P2
9P1
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
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
TEST CURRENT
I
ZT1
mA
I
ZT2
DYNAMIC RESISTANCE
Z
Z
at I
ZT1
Ω
Z
ZK
at I
ZT2
Notes
(1)
Based on DC measurement at thermal equilibrium
(2)
Surge current is a non-repetitive, 8.3 ms pulse width square wave or equivalent sine-wave superimposed on I
ZT
per JEDEC method
Rev. 1.8, 29-Nov-11
Document Number: 85782
2
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SML4728 to SML4764A
www.vishay.com
BASIC CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
Vishay Semiconductors
PM(AV) Average Power Dissipation (W)
,
0.75
60 Hz
Resistive or
Inductive Load
Instantaneous Forward Current (A)
1.0
10
1
0.5
0.1
Pulse
width
= 300µs
1% Duty Cycle
TJ = 25°C
0.4
0.6
0.8
1.4
1.2
1.0
Instantaneous Forward Voltage (V)
1.6
0.25
P.C.B. Mounted on
0.31 x 0.31 x 0.08" (8 x 8 x 2mm)
copper areas pads
25
100
75
125
50
150
Terminals Temperature (
°C)
175
0
0.01
17923
17924
Fig. 1 -
Maximum Continuous Power Dissipation
Fig. 4 -
Typical Instantaneous Forward Characteristics
for SML4763
TJ = 25°C
VZ = 91V
VZ = 56V
VZ = 30V
100
Instantaneous Reverse Current ( µA)
ZZ , Dynamic Zener Impedance (Ω)
1,000
10
1
TJ = 100°C
10
0.1
VZ = 6.2V
1
0.5
10
100
IZT, Zener Test Current (mA)
500
TJ = 25°C
0.01
0
20
80
40
60
Percent of Rated Zener Voltage (%)
100
17925
17926
Fig. 2 -
Typical Zener Impedance
Fig. 5 -
Typical Reverse Characteristics
Θ
VZ, Temperature Coefficient (mV/ °C)
110
90
70
50
30
10
0
0
10 20 30 40 50 60 70 80 90 100
VZ, Zener Voltage (V)
Tested at rated IZT
17927
Fig. 3 -
Typical Temperature Coefficients
Rev. 1.8, 29-Nov-11
Document Number: 85782
3
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SML4728 to SML4764A
www.vishay.com
PACKAGE DIMENSIONS
in millimeters (inches):
DO-214AC
Vishay Semiconductors
0.305 (0.012)
0.152 (0.006)
2.29 (0.090)
1.98 (0.078)
ISO Method E
1.52 (0.060)
0.76 (0.030)
5.28 (0.208)
4.93 (0.194)
Mounting Pad Layout
2.38 (0.094) max.
Cathode Band
1.65 (0.065)
1.25 (0.049)
2.79 (0.110)
2.54 (0.100)
2.15
(0.084).
1.32 (0.052) max.
4.50 (0.177)
18839
5.58 (0.22) Ref.
3.99 (0.157)
Rev. 1.8, 29-Nov-11
Document Number: 85782
4
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
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
1
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