DL4727A-DL4761A Zener Diode MELF Features 1. High reliability 2. Very sharp reverse characteristic 3. Low reverse current level 4. VZ-tolerance±5% Applications Dimensions in inches and (millimeters) Voltage stabilization Absolute Maximum Ratings Tj=25℃ Parameter Test Conditions Symbol Value Unit PV 1 W Z-current IZ PV/VZ mA Junction temperature Tj 200 ℃ Tstg -65~+175 ℃ Symbol Value Unit RthJA 100 K/W Power dissipation Type Tamb≤50℃ Storage temperature range Maximum Thermal Resistance Tj=25℃ Parameter Junction ambient Test Conditions I=9.5mm(3/8”) TL=constant Electrical Characteristics Tj=25℃ Parameter Forward voltage Test Conditions IF=200mA http://www.luguang.cn Type Symbol Min Typ VF mail:[email protected] Max Unit 1.2 V DL4727A-DL4761A Zener Diode Type DL4727A DL4728A DL4729A DL4730A DL4731A DL4732A DL4733A DL4734A DL4735A DL4736A DL4737A DL4738A DL4739A DL4740A DL4741A DL4742A DL4743A DL4744A DL4745A DL4746A DL4747A DL4748A DL4749A DL4750A DL4751A DL4752A DL4753A DL4754A DL4755A DL4756A DL4757A DL4758A DL4759A DL4760A DL4761A VZnom V 3.0 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 1) IZT mA 83 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 for rzjT Ω <10 <10 <10 <9 <9 <8 <7 <5 <2 <3.5 <4.0 <4.5 <5.0 <7 <8 <9 <10 <14 <16 <20 <22 <23 <25 <35 <40 <45 <50 <60 <70 <80 <95 <110 <125 <150 <175 rzjK at Ω <400 <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 IZK mA 1 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 IR μA <100 <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 at VR V 1 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 1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(TL)at 30℃, 9.5mm(3/8”) from the diode body. http://www.luguang.cn mail:[email protected] DL4727A-DL4761A Zener Diode Characteristics (Tj=25℃ unless otherwise specified) Symbol Parameter Vz Reverse zener voltage @ IZT IZT Reverse current ZZT Maximum zener impedance @ IZT IZK Reverse current ZZK Maximum zener impedance @ IZK IR Reverse leakage current @ VR VR Breakdown voltage IF Forward current VF Forward voltage @ IF Figure 1. Zener voltage regulator Figure 2. Temperature coefficients (-55℃ to +150℃ temperature range; 90% of the units are in the ranges indicated) Figure 3. Effect of zener current on zener impedance http://www.luguang.cn Figure 4. Effect of zener voltage on zener impedance mail:[email protected]