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SML4728 to SML4764A
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 % * Lead (Pb)-free component * Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC MECHANICAL DATA Case: JEDEC DO-214AC molded plastic over passivated junction Terminals: solder plated, solderable per MIL-STD- 750, method 2026 Polarity: color band denotes positive end (cathode) Mounting Position: any Weight: 0.002 ounce, 64 mg
15811
Packaging Codes/Options (antistatic): SML4728 - SML4764A: 61 to 1.8K per 7" plastic reel (12 mm tape) 5A to 7.5K per 13" plastic reel (12 mm tape)
Absolute Maximum Ratings
Tamb = 25 C, unless otherwise specified
Parameter Power dissipation Test condition TL = 75 C Symbol Ptot Value 1.0 Unit W
Thermal Characteristics
Tamb = 25 C, unless otherwise specified
Parameter Maximum junction temperature Storage temperature range Test condition Symbol Tj TS Value 150 - 65 to + 150 Unit C C
Document Number 85782 Rev. 1.6, 21-Oct-08
For technical support, please contact: Diodes-SSP@vishay.com
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SML4728 to SML4764A
Vishay Semiconductors Electrical Characteristics
Partnumber Device Marking Code Nominal Zener Voltage VZ(1) at IZT V 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 IZT 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 2.8 2.5 Maximum Dynamic ImpedanceResistance ZZT at IZT 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 ZZK at IZK 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 IZK 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 Maximum DC Reverse Leakage Current IR A 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 VR 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 Maximum Surge Current IRM(2) mApk 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
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 IZT per JEDEC method
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For technical support, please contact: Diodes-SSP@vishay.com
Document Number 85782 Rev. 1.6, 21-Oct-08
SML4728 to SML4764A
Vishay Semiconductors
TYPICAL CHARACTERISTICS Tamb = 25 C, unless otherwise specified
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 = 300s 1% Duty Cycle TJ = 25C 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 25 100 125 75 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 = 25C VZ = 91V VZ = 56V VZ = 30V
100
Instantaneous Reverse Current ( A)
ZZ , Dynamic Zener Impedance ()
1,000
10
1
TJ = 100C
10
0.1
VZ = 6.2V 1 0.5 10 100 IZT, Zener Test Current (mA) 500
TJ = 25C 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
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
Document Number 85782 Rev. 1.6, 21-Oct-08
For technical support, please contact: Diodes-SSP@vishay.com
www.vishay.com 3
SML4728 to SML4764A
Vishay Semiconductors
PACKAGE DIMENSIONS in millimeters (Inches)
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)
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For technical support, please contact: Diodes-SSP@vishay.com
Document Number 85782 Rev. 1.6, 21-Oct-08
SML4728 to SML4764A
Vishay Semiconductors Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances (ODSs). The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively. 2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency (EPA) in the USA. 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively. Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use Vishay Semiconductors products for any unintended or unauthorized application, the buyer shall indemnify Vishay Semiconductors against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Document Number 85782 Rev. 1.6, 21-Oct-08
For technical support, please contact: Diodes-SSP@vishay.com
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Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice. 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 herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. 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. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 Revision: 18-Jul-08
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