SML4728 LEIDITECH
Document overview
- Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 4
Technical content
Features
- Plastic package has Underwriters Laboratory Flammability Classification 94 V-0 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 Packaging Codes - Options (Antistatic): SML4728 - SML4737A: 11T - 1.8 k per 7" plastic reel (12mm tape), 36 k/car- ton 5AT - 7.5 k per 13" plastic reel (12mm tape), 75 k/car- ton 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/car- ton Absolute Maximum Ratings T amb = 25 °C, unless otherwise specified Thermal Characteristics T amb = 25 °C, unless otherwise specified Parameter Test condition Symbol Value Unit Power dissipation T L = 75 °C P tot 1.0 W Parameter Test condition Symbol Value Unit Maximum junction temperature T j 150 °C Storage temperature range T S - 65 to + 150 °C Rev : 01.06.2014 1/4 www.leiditech.com
Electrical Characteristics
Based on dc- measurement at thermal equilibrium Surge current is a non-repetitive, 8.3 ms pulse width square wave or equivalent sine-wave superimposed on I ZT per JEDEC Method Partnumber Device Marking Code Nominal Zener Voltage Test Current Maximum Dynamic ImpedanceResistance Maximum DC Reverse Leakage Current Maximum Surge Current V Z @ I ZT I ZT Z ZT @ I ZT Z ZK @ I ZK I ZK I R V R I RM 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 Rev : 01.06.2014 2/4 www.leiditech.com SML4728 to SML4764A
= 25 °C unless otherwise specified) Fig. 1 Maximum Continuous Power Dissipation Fig. 2 Typical Zener Impedance Fig. 3 Typical Temperature Coefficients 25 50 75 100 125 150 175 0.25 0.5 0.75 1.0 Terminals Temperature (°C) PM(AV), Average Power Dissipation (W) 60 Hz Resistive or Inductive Load P.C.B. Mounted on 0.31 x 0.31 x 0.08" (8x8x 2mm) copper areas pads 17923 0.5 10 100 500 100 1,000 IZT, Zener Test Current (mA) ZZ, Dynamic Zener Impedance (Ω) TJ =2 5 ° C VZ = 91V VZ = 56V VZ = 30V VZ = 6.2V 17925 0 10 20 30 40 50 60 70 80 90 100 110 VZ, Zener Voltage (V) Θ VZ, Temperature Coefficient (mV/ °C) Tested at rated IZT 17927 Fig. 4 Typical Instantaneous Forward Characteristics for SML4763 Fig. 5 Typical Reverse Characteristics 0.01 0.1 Instantaneous Forward Voltage (V) Instantaneous Forward Current (A) Pulse width = 300µs 1% Duty Cycle TJ =2 5 ° C 17924 0 20 40 60 80 100 0.01 0.1 Percent of Rated Zener Voltage (%) Instantaneous Reverse Current ( µA) TJ =2 5 ° C TJ = 100°C 17926 Rev : 01.06.2014 3/4 www.leiditech.com SML4728 to SML4764A
Package Dimensions in mm (Inches) (0.080 MAX.) 2.03 MAX. (0.216)
5.50 REF
(0.066 MIN.) 1.68 MIN. (0.060 MIN.) 1.52 MIN. 14275 5.28 (0.208) 4.93 (0.194) 2.29 (0.090) 0.203 (0.008) 2.79 (0.110) 2.54 (0.100) 1.65 (0.065) 1.25 (0.049) Mounting Pad Layout technical drawings according to DIN specifications Plastic case JEDEC DO-214 similar to SMA Cathode indicated by a band 1.98 (0.078) 1.52 (0.060) 0.76 (0.030) Shanghai Leiditech Electronic Co.,Ltd Email: sale1@leiditech.com Tel : +86- 021 50828806 Fax : +86- 021 50477059 Rev : 01.06.2014 4/4 www.leiditech.com SML4728 to SML4764A