1 Watt ZENER DIODES (3.3V to 100V) Data Sheet Mechanical Dimensions LL4728...4764 Series Description DO-213AB (MELF) Features n WIDE VOLTAGE RANGE n 5 & 10 % VOLTAGE TOLERANCES AVAILABLE n MEETS UL SPECIFICATION 94V-0 Maximum Ratings LL4728...4764 Series Units ............................................. Lead Length = .375 Inches Derate Above 50 °C ............................................. 6.67 ............................................... mW / °C Operating & Storage Temperature Range...TJ, TSTRG ......................................... -65 to 100 .......................................... °C Lead Temperature (°°C) Temperature Coefficients vs. Voltage Zener Voltage (V) Zener Current (mA) Zener Current vs. Zener Voltage Zener Voltage (V) Page 10-50 1 ............................................... Junction Capacitance (pF) Steady State Power Derating Temperature Coefficient (mV/oC) Steady State Power (W) DC Power Dissipation with TL = > = 75°C ...PD Watt Typical Junction Capacitance 1 V Bias 0 V Bias 50% Vz Bias Zener Voltage (V) NOTES: 1. For 10% Tolerance on Zener Voltage, Specify No Suffix. For 5% Tolerance, Specify Suffix A. (Example: LL4728A = 3.3V +/- 5%) 2. TA = 25 °C unless otherwise specified. Measurements made at Thermal Equilibrium. Lead Length = .375". Thermal Resistance of Heat Sink = 30°C / W, VF = 1.1V Max. @ IF = 200mA. LL4728...4764 Series 1 Watt ZENER DIODES (3.3V to 100V) Data Sheet Electrical Characteristics @ 25 O C. Max. Zener Impedance Part # Nominal Zener Voltage Test Current I ZT (mA) Z ZT @ I ZT (Ω) ZZK @ IZK (Ω) IZK (mA) LL4728 LL4729 LL4730 LL4731 LL4732 LL4733 LL4734 LL4735 LL4736 LL4737 LL4738 LL4739 LL4740 LL4741 LL4742 LL4743 LL4744 LL4745 LL4746 LL4747 LL4748 LL4749 LL4750 LL4751 LL4752 LL4753 LL4754 LL4755 LL4756 LL4757 LL4758 LL4759 LL4760 LL4761 LL4762 LL4763 LL4764 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 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 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5 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 95 110 125 150 175 200 250 350 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1500 1500 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 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 Max. Reverse Leakage Current @ VR Max. Surge Current IR (µA) VR (V) TA = 25 o C 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 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 Page 10-51