SML4728 to SML4764A VISHAY 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 seconds at terminals • Standard voltage tolerance is 10 %, Suffix A ± 5 %. 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 - SML4737A: 11T - 1.8 k per 7" plastic reel (12mm tape), 36 k/carton 5AT - 7.5 k per 13" plastic reel (12mm tape), 75 k/carton SML4738 - SML4764A: 61 - 1.8 k per 7" plastic reel (12mm tape), 36 k/carton 5A - 7.5 k per 13" plastic reel (12mm tape), 75 k/carton Absolute Maximum Ratings Tamb = 25 °C, unless otherwise specified Parameter Power dissipation Test condition TL = 75 °C Symbol Value Unit Ptot 1.0 W Unit Thermal Characteristics Tamb = 25 °C, unless otherwise specified Symbol Value Maximum junction temperature Parameter Tj 150 °C Storage temperature range TS - 65 to + 150 °C Document Number 85782 Rev. 1.5, 03-Mar-04 Test condition www.vishay.com 1 SML4728 to SML4764A VISHAY Vishay Semiconductors Electrical Characteristics Partnumber Device Marking Code Nominal Zener Voltage Test Current VZ1) @ IZT IZT Maximum Dynamic ImpedanceResistance ZZT @ IZT Maximum DC Reverse Leakage Current ZZK @ IZK IZK Maximum Surge Current IR VR IRM2) V mA Ω Ω mA µA V mApk SML4728 3P3 3.3 76 10 400 1 100 1 1380 SML4729 3P6 3.6 69 10 400 1 100 1 1260 SML4730 3P9 3.9 64 9 400 1 50 1 1190 SML4731 4P3 4.3 58 9 400 1 10 1 1070 SML4732 4P7 4.7 53 8 500 1 10 1 970 SML4733 5P1 5.1 49 7 550 1 10 1 890 SML4734 5P6 5.6 45 5 600 1 10 2 810 SML4735 6P2 6.2 41 2 700 1 10 3 730 SML4736 6P8 6.8 37 3.5 700 1 10 4 660 SML4737 7P5 7.5 34 4 700 0.5 10 5 605 SML4738 8P2 8.2 31 4.5 700 0.5 10 6 550 SML4739 9P1 9.1 28 5 700 0.5 10 7 500 SML4740 10 10 25 7 700 0.25 10 7.6 454 SML4741 11 11 23 8 700 0.25 5 8.4 414 SML4742 12 12 21 9 700 0.25 5 9.1 380 SML4743 13 13 19 10 700 0.25 5 9.9 344 SML4744 15 15 17 14 700 0.25 5 11.4 305 SML4745 16 16 15.5 16 700 0.25 5 12.2 285 SML4746 18 18 14 20 750 0.25 5 13.7 250 SML4747 20 20 12.5 22 750 0.25 5 15.2 225 SML4748 22 22 11.5 23 750 0.25 5 16.7 205 SML4749 24 24 10.5 25 750 0.25 5 18.2 190 SML4750 27 27 9.5 35 750 0.25 5 20.6 170 SML4751 30 30 8.5 40 1000 0.25 5 22.8 150 SML4752 33 33 7.5 45 1000 0.25 5 25.1 135 SML4753 36 36 7 50 1000 0.25 5 27.4 125 SML4754 39 39 6.5 60 1000 0.25 5 29.7 115 SML4755 43 43 6 70 1500 0.25 5 32.7 110 SML4756 47 47 5.5 80 1500 0.25 5 35.8 95 SML4757 51 51 5 95 1500 0.25 5 38.8 90 SML4758 56 56 4.5 110 2000 0.25 5 42.6 80 SML4759 62 62 4 125 2000 0.25 5 47.1 70 SML4760 68 68 3.7 150 2000 0.25 5 51.7 65 SML4761 75 75 3.3 175 2000 0.25 5 56 60 SML4762 82 82 3 200 3000 0.25 5 62.2 55 SML4763 91 91 2.8 250 3000 0.25 5 69.2 50 SML4764 100 100 2.5 350 3000 0.25 5 76 45 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 www.vishay.com 2 Document Number 85782 Rev. 1.5, 03-Mar-04 SML4728 to SML4764A VISHAY Vishay Semiconductors 60 Hz Resistive or Inductive Load 0.75 0.5 0.25 P.C.B. Mounted on 0.31 x 0.31 x 0.08" (8 x 8 x 2mm) copper areas pads 0 25 17923 100 125 150 75 50 Terminals Temperature ( °C) ZZ , Dynamic Zener Impedance (Ω) VZ = 91V VZ = 56V VZ = 30V VZ = 6.2V 1 0.5 10 100 IZT, Zener Test Current (mA) Θ VZ, Temperature Coefficient (mV/ °C) Pulse width = 300µs 1% Duty Cycle TJ = 25°C 0.01 0.4 1.4 0.8 0.6 1.2 1.0 Instantaneous Forward Voltage (V) 1.6 10 1 TJ = 100°C 0.1 TJ = 25°C 0.01 0 500 17926 20 80 60 40 Percent of Rated Zener Voltage (%) 100 Fig. 5 Typical Reverse Characteristics Fig. 2 Typical Zener Impedance 17927 0.1 Fig. 4 Typical Instantaneous Forward Characteristics for SML4763 TJ = 25°C 17925 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) Typical Characteristics (Tamb = 25 °C unless otherwise specified) 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 Document Number 85782 Rev. 1.5, 03-Mar-04 www.vishay.com 3 SML4728 to SML4764A VISHAY Vishay Semiconductors 0.305 (0.012) 0.152 (0.006) 1.98 (0.078) 5.28 (0.208) 4.93 (0.194) 0.203 (0.008) Plastic case JEDEC DO-214 similar to SMA Cathode indicated by a band 2.79 (0.110) 2.54 (0.100) technical drawings according to DIN specifications 1.65 (0.065) 1.25 (0.049) 2.29 (0.090) Package Dimensions in mm (Inches) 1.52 (0.060) 0.76 (0.030) Mounting Pad Layout 2.03 MAX. (0.080 MAX.) 1.68 MIN. (0.066 MIN.) 1.52 MIN. (0.060 MIN.) 5.50 REF (0.216) 14275 www.vishay.com 4 Document Number 85782 Rev. 1.5, 03-Mar-04 SML4728 to SML4764A VISHAY 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 operatingsystems 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 Telephone: 49 (0)7131 67 2831, Fax number: 49 (0)7131 67 2423 Document Number 85782 Rev. 1.5, 03-Mar-04 www.vishay.com 5