Data Sheet 1 Watt (3.3~100V) ZENER DIODES Description Mechanical Dimensions (MELF) Absolute Max Ratings Symbol Zener Current See Table Characteristics Power Disspation at Tamb=25C Ptot Junction Temp. Tj Storage Temp. Range Ts Thermal Resistance Junction to Ambient Air RthA Forward Voltage at If=200mA Vf Valid rovided that Leads at a Distance of 10mm case are kept at Ambient Temp. Break down characteristics Value Unit 1 200 -65 to 200 170 1.2max W C C K/mW V 1 Watt (3.3~100V) Data Sheet ZENER DIODES 1 Watt FCI Nominal Izt (mA) Zener Voltage Test Test Maximum Maxinum Vz@ Izt Izt Zzt@ Izt Zzk @ Izk Izk V (mA) Ohm Ohm (mA) Maximum MAX SURGE MAX Reverse Current CURRENT REGULATOR IR Izm(mA) Maxinum Zener Impedance Zener Impedance Zener Impedance DL4728A 3.3 76 10 400.0 1.0 DL4729A 3.6 69 10 400.0 1.0 DL4730A 3.9 64 9 400.0 1.0 DL4731A 4.3 58 9 400.0 1.0 DL4732A 4.7 53 8 500.0 1.0 DL4733A 5.1 49 7 550.0 1.0 DL4734A 5.6 45 5 600.0 1.0 DL4735A 6.2 41 2 700.0 1.0 DL4736A 6.8 37 3.5 700.0 0.5 DL4737A 7.5 34 4 700.0 0.5 DL4738A 8.2 31 4.5 700.0 0.5 DL4739A 9.1 28 5 700.0 0.25 DL4740A 10 25 7 700.0 0.25 DL4741A 11 23 8 700.0 0.25 DL4742A 12 21 9 700.0 0.25 DL4743A 13 19 10 700.0 0.25 DL4744A 15 17 14 700.0 0.25 DL4745A 16 15.5 16 700.0 0.25 DL4746A 18 14 20 750.0 0.25 DL4747A 20 12.5 22 750.0 0.25 DL4748A 22 11.5 23 750.0 0.25 DL4749A 24 10.5 25 750.0 0.25 DL4750A 27 9.5 35 750.0 0.25 DL4751A 30 8.5 40 1000.0 0.25 DL4752A 33 7.5 45 1000.0 0.25 DL4753A 36 7 50 1000.0 0.25 DL4754A 39 6.5 60 1000.0 0.25 DL4755A 43 6 70 1500.0 0.25 DL4756A 47 5.5 80 1500.0 0.25 DL4757A 51 5 95 1500.0 0.25 DL4758A 56 4.5 110 2000.0 0.25 DL4759A 62 4 125 2000.0 0.25 DL4760A 68 3.7 150 2000.0 0.25 DL4761A 75 3.3 175 2000.0 0.25 DL4762A 82 3 200 3000.0 0.25 DL4763A 91 2.8 250 3000.0 0.25 DL4764A 100 2.5 350 3000.0 0.25 Standard voltage tolerance is +/-10% no suffix, suffix"A"for +/-5% IR suffix B (uA) (V) (mA) (mA) 100 100 50 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 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 1170 1080 965 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 13 12 11 10 9 package MELF