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
DO-214AC (SMA)
• Standard voltage tolerance is ± 10 %, suffix A ± 5 %
• AEC-Q101 qualified
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
PRIMARY CHARACTERISTICS
PARAMETER
VALUE
UNIT
VZ range nom.
3.3 to 100
V
Test current IZT
2.5 to 76
mA
VZ specification
Pulse current
Int. construction
Single
MECHANICAL DATA
Base P/N-E3 - RoHS-compliant, commercial grade
Base P/NHE3 - RoHS-compliant, AEC-Q101 qualified
ORDERING INFORMATION
DEVICE NAME
ORDERING CODE
TAPED UNITS PER REEL
SML4728 to SML4764A
SML4728-E3/5A
SML4728HE3/5A
7500 (12 mm tape on 13" plastic reel)
SML4728 to SML4764A
SML4728-E3/61
SML4728HE3/61
1800 (12 mm tape on 7" plastic reel)
MINIMUM ORDER QUANTITY
PACKAGE
PACKAGE NAME
DO-214AC
WEIGHT
MOLDING COMPOUND MOISTURE SENSITIVITY
FLAMMABILITY RATING
LEVEL
64 mg
UL 94 V-0
MSL level 1
(according J-STD-020)
SOLDERING
CONDITIONS
260 °C/10 s at terminals
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Power dissipation
Junction temperature
Storage temperature range
TEST CONDITION
SYMBOL
VALUE
UNIT
TL = 75 °C
Ptot
1000
mW
Tj
150
°C
Tstg
-65 to +150
°C
Rev. 1.9, 26-May-14
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
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
PART
NUMBER
MARKING
CODE
VZ at IZT1
TEST CURRENT
IZT1
V
IZT2
mA
REVERSE
CURRENT
IR at VR
μA
NOM.
DYNAMIC RESISTANCE
ZZ at IZT1
MAX.
ZZK at IZT2
V
SURGE
CURRENT (1)
IRM
mApk
MAX.
MAX.
MAX.
SML4728
3P3
3.3
76
1
100
1
10
400
1380
SML4729
3P6
3.6
69
1
100
1
10
400
1260
SML4730
3P9
3.9
64
1
50
1
9
400
1190
SML4731
4P3
4.3
58
1
10
1
9
400
1070
SML4732
4P7
4.7
53
1
10
1
8
500
970
SML4733
5P1
5.1
49
1
10
1
7
550
890
SML4734
5P6
5.6
45
1
10
2
5
600
810
SML4735
6P2
6.2
41
1
10
3
2
700
730
SML4736
6P8
6.8
37
1
10
4
3.5
700
660
SML4737
7P5
7.5
34
0.5
10
5
4
700
605
SML4738
8P2
8.2
31
0.5
10
6
4.5
700
550
SML4739
9P1
9.1
28
0.5
10
7
5
700
500
SML4740
10
10
25
0.25
10
7.6
7
700
454
SML4741
11
11
23
0.25
5
8.4
8
700
414
SML4742
12
12
21
0.25
5
9.1
9
700
380
SML4743
13
13
19
0.25
5
9.9
10
700
344
SML4744
15
15
17
0.25
5
11.4
14
700
305
SML4745
16
16
15.5
0.25
5
12.2
16
700
285
SML4746
18
18
14
0.25
5
13.7
20
750
250
SML4747
20
20
12.5
0.25
5
15.2
22
750
225
SML4748
22
22
11.5
0.25
5
16.7
23
750
205
SML4749
24
24
10.5
0.25
5
18.2
25
750
190
SML4750
27
27
9.5
0.25
5
20.6
35
750
170
SML4751
30
30
8.5
0.25
5
22.8
40
1000
150
SML4752
33
33
7.5
0.25
5
25.1
45
1000
135
SML4753
36
36
7
0.25
5
27.4
50
1000
125
SML4754
39
39
6.5
0.25
5
29.7
60
1000
115
SML4755
43
43
6
0.25
5
32.7
70
1500
110
SML4756
47
47
5.5
0.25
5
35.8
80
1500
95
SML4757
51
51
5
0.25
5
38.8
95
1500
90
SML4758
56
56
4.5
0.25
5
42.6
110
2000
80
SML4759
62
62
4
0.25
5
47.1
125
2000
70
SML4760
68
68
3.7
0.25
5
51.7
150
2000
65
SML4761
75
75
3.3
0.25
5
56
175
2000
60
SML4762
82
82
3
0.25
5
62.2
200
3000
55
SML4763
91
91
2.8
0.25
5
69.2
250
3000
50
SML4764
100
100
2.5
0.25
5
76
350
3000
45
Note
(1) 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. 1.9, 26-May-14
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
Vishay Semiconductors
60 Hz
Resistive or
Inductive Load
0.75
0.5
0.25
PCB Mounted on
0.31 x 0.31 x 0.08" (8 x 8 x 2mm)
copper areas pads
0
25
17923
100
125
75
150
50
Terminals Temperature ( °C)
Z Z, Dynamic Zener Impedance (Ω)
TJ = 25°C
VZ = 91V
VZ = 56V
VZ = 30V
VZ = 6.2V
1
0.5
17925
10
100
IZT , Zener Test Current (mA)
Θ VZ , Temperature Coefficient (mV/ °C)
0.1
Pulse width = 300µs
1% Duty Cycle
TJ = 25°C
0.01
0.4
1.4
1.2
1.0
0.6
0.8
Instantaneous Forward Voltage (V)
1.6
Fig. 4 - Typical Instantaneous Forward Characteristics
for SML4763
500
Fig. 2 - Typical Zener Impedance
17927
1
17924
1,000
10
10
175
Fig. 1 - Maximum Continuous Power Dissipation
100
Instantaneous Forward Current (A)
1.0
Instantaneous Reverse Current ( µA)
PM(AV) , Average Power Dissipation (W)
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
10
1
TJ = 100°C
0.1
TJ = 25°C
0.01
0
17926
20
80
40
60
Percent of Rated Zener Voltage (%)
100
Fig. 5 - Typical Reverse Characteristics
110
90
70
Tested at rated IZT
50
30
10
0
0
10 20 30 40 50 60 70 80 90 100
VZ , Zener Voltage (V)
Fig. 3 - Typical Temperature Coefficients
Rev. 1.9, 26-May-14
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
Vishay Semiconductors
PACKAGE DIMENSIONS in inches (millimeters): DO-214AC
DO-214AC (SMA)
Cathode Band
Mounting Pad Layout
0.110 (2.79)
0.100 (2.54)
0.065 (1.65)
0.049 (1.25)
0.177 (4.50)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
MIN.
0.208 (5.28)
REF.
0.090 (2.29)
0.078 (1.98)
0.060 (1.52)
0.030 (0.76)
0.074 (1.88)
MAX.
0.066 (1.68)
MIN.
0.008 (0.203)
0 (0)
0.208 (5.28)
0.194 (4.93)
Rev. 1.9, 26-May-14
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
www.vishay.com
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. 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.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000