GENERAL iy GO SEMICONDUCTOR DO-204AL (DO-41 Glass) ae max. Z[b.102 (2.6) _~ Cathode Mark Dimensions in inches and (millimeters) L af max. @[.034 (0.86) Ss) |i wo w | a : c=) r 7 1 _ : | : ee >| | st ~ + 5 , = | ge +. . tl S a | aN 1. nN A 9 7 2 =| D S| || El { 1N4728 thru 1N4764 Zener Diodes VZ Range 3.3 to 100V Power Dissipation 1.0W Features * Silicon Planar Power Zener Diodes * For use in stabilizing and clipping circuits with high power rating. * Standard Zener voltage tolerance is +10%. Add suffix A for +5% tolerance. Other Zener voltages and tolerances are available upon request. * These diodes are also available in the MELF case with type designation ZM4728 thru ZM4764 For bidirectional product, contact local Technical Sales office. Mechanical Data Case: DO-41 Glass Case Weight: approx. 0.35g Packaging Codes/Options: D9/5K per 13 reel (52mm tape), 10K/box E1/5K per Ammo mag. (52mm tape), 10K/box Maxi mum Rati ngs & Thermal Cc haracteristics Ratings at 25C ambient temperature unless otherwise specified. Parameter Symbol Value Unit Zener Current See Next Page Power Dissipation at Tamb = 50C Ptot 1.0 w Thermal Resistance Junction to Ambient Air Resa 170) C/W Junction Temperature Tj 200 C Storage Temperature Range Ts -65 to +200 C Note: (1) Valid provided that electrodes at a distance of 10mm from case are kept at ambient temperature. 12/4 1/00 EP SmcONDUCTOR 4N4728 thru 1N4764 Zener Diodes Electrical Characteristics (1. - 25 uniess otherwise noted). Maximum VF = 1.2V at Ie = 200mA Nominal Test Maximum Zener impedance Maximum Surge Maximum Zener current reverse leakage current | current regulator voitage) current!) at 2zr at at at zr at Izr 2zK zk In at VR Ta=25C | Ta=50C Type Vz (V) Izt (mA) {Q) (2) (mA) (uA) (Vv) In (mA) 'zm (mA) 1N4728 3.3 76 10 400 1.0 100 1 1380 276 1N4729 3.6 69 10 400 1.0 100 1 1260 252 1N4730 3.9 64 9 400 1.0 50 1 1190 234 1N4731 43 58 9 400 1.0 10 1 1070 217 1N4732 47 53 8 500 1.0 10 1 970 193 1N4733 5.1 49 7 550 1.0 10 1 890 178 1N4734 5.6 45 5 600 1.0 10 2 810 162 1N4735 6.2 41 2 700 1.0 10 3 730 146 1N4736 6.8 37 3.5 700 1.0 10 4 660 133 1N4737 75 34 4.0 700 0.5 10 5 605 121 1N4738 8.2 31 45 700 0.5 10 6 550 110 1N4739 9.1 28 5.0 700 0.5 10 7 500 100 1N4740 10 25 7 700 0.25 10 7.6 454 91 1N4741 11 23 8 700 0.25 5 8.4 414 83 1N4742 12 21 9 700 0.25 5 9.1 380 76 1N4743 13 19 10 700 0.25 5 9.9 344 69 1N4744 15 17 14 700 0.25 5 11.4 304 61 1N4745 16 15.5 16 700 0.25 5 12.2 285 57 1N4746 18 14 20 750 0.25 5 13.7 250 50 1N4747 20 12.5 22 750 0.25 5 15.2 225 45 1N4748 22 11.5 23 750 0.25 5 16.7 205 41 1N4749 24 10.5 25 750 0.25 5 18.2 190 38 1N4750 27 9.5 35 750 0.25 5 20.6 170 34 1N4751 30 8.5 40 1000 0.25 5 22.8 150 30 1N4752 33 75 45 1000 0.25 5 25.1 135 27 1N4753 36 7.0 50 1000 0.25 5 27.4 125 25 1N4754 39 6.5 60 10060 0.25 5 29.7 115 23 1N4755 43 6.0 70 1500 0.25 5 32.7 110 22 1N4756 47 5.5 80 1500 0.25 5 35.8 95 19 1N4757 51 5.0 95 1500 0.25 5 38.8 90 18 1N4758 56 45 110 2000 0.25 5 42.6 80 16 1N4759 62 4.0 125 2000 0.25 5 47.1 70 14 1N4760 68 3.7 150 2000 0.25 5 51.7 65 13 1N4761 75 3.3 175 2000 0.25 5 56.0 60 12 1N4762 82 3.0 200 3000 0.25 5 62.2 55 11 1N4763 91 2.8 250 3000 0.25 5 69.2 50 10 1N4764 100 2.5 350 3000 0.25 5 76.0 45 9 Notes: (1) The Zener impedance is derived from the 1KHz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (izr or (2K) is superimposed on Izt or Izk. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units (2) Valid provided that electrodes at a distance of 10mm from case are kept at ambient temperature {3} Measured under thermal equilibrium and DC test conditions 31 o> SriCONDUCTOR 1N4728 thru 1N4764 Zener Diodes Ratings and Cha racteri stic Cc urves (Ta = 28C unless otherwise noted) Admissible power dissipation versus ambient temperature Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case w 1N4728 ... 1N4764 32