6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (978) 689-0803 website: http://www.microsemi.com 127 cdi nominal maximum maximum maximum type zener test zener reverse test knee test number voltage current impedance current voltage impedance current v z l zt z zt @ l zt l r @ v r v r z zk @ l zk l zk (note 1&3) (note 2) (note 2) volts ma ohms a volts ohms ma cdll4728a 3.3 76 10 100 1 400 1.0 cdll4729a 3.6 69 10 100 1 400 1.0 cdll4730a 3.9 64 9 100 1 400 1.0 cdll4731a 4.3 58 9 10 1 400 1.0 cdll4732a 4.7 53 8 10 1 500 1.0 cdll4733a 5.1 49 7 5 1 550 1.0 cdll4734a 5.6 45 5 5 2 600 1.0 cdll4735a 6.2 41 2 5 3 700 1.0 cdll4736a 6.8 37 3.5 3 4 700 1.0 CDLL4737A 7.5 34 4.0 3 5 700 0.5 cdll4738a 8.2 31 4.5 3 6 700 0.5 cdll4739a 9.1 28 5.0 3 7 700 0.5 cdll4740a 10 25 7 3 7.6 700 0.25 cdll4741a 11 23 8 2 8.4 700 0.25 cdll4742a 12 21 9 1 9.1 700 0.25 cdll4743a 13 29 10 0.5 9.9 700 0.25 cdll4744a 15 17 14 0.1 11.4 700 0.25 cdll4745a 16 15.5 16 0.1 12.2 700 0.25 cdll4746a 18 14 20 0.1 13.7 750 0.25 cdll4747a 20 12.5 22 0.1 15.2 750 0.25 cdll4748a 22 11.5 23 0.1 16.7 750 0.25 cdll4749a 24 10.5 25 0.1 18.2 750 0.25 cdll4750a 27 9.5 35 0.1 20.6 750 0.25 cdll4751a 30 8.5 40 0.1 22.8 1000 0.25 cdll4752a 33 7.5 45 0.1 25.1 1000 0.25 cdll4753a 36 7.0 50 0.1 27.4 1000 0.25 cdll4754a 39 6.5 60 0.1 29.7 1000 0.25 cdll4755a 43 6.0 70 0.1 32.7 1500 0.25 cdll4756a 47 5.5 80 0.1 35.8 1500 0.25 cdll4757a 51 5.0 95 0.1 38.8 1500 0.25 cdll4758a 56 4.5 110 0.1 42.6 2000 0.25 cdll4759a 62 4.0 125 0.1 47.1 2000 0.25 cdll4760a 68 3.7 150 0.1 51.7 2000 0.25 cdll4761a 75 3.3 175 0.1 56.0 2000 0.25 cdll4762a 82 3.0 200 0.1 62.2 3000 0.25 cdll4763a 91 2.8 250 0.1 69.2 3000 0.25 cdll4764a 100 2.5 350 0.1 76.0 3000 0.25 cdll1w110a 110 2.3 450 0.1 83.6 4000 0.25 note 1 ?a? suffix = + 5%, no suffix = + 10%, "c" suffix = + 2% and "d" suffix = + 1%. note 2 zener impedance is derived by superimposing on l zt a 60hz rms a.c. current equal to 10% of l zt or l zk. note 3 nominal zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25c + 3c. maximum ratings operating temperature: -65c to +175c storage temperature: -65c to +175c power derating: 20mw / c above t ec = +125c forward voltage @ 200ma: 1.2 volts maximum electrical characteristics @ 25c, unless otherwise speci?ed. figure 1 design data case: do-213ab , hermetically sealed glass case. (melf, ll41) lead finish: tin / lead thermal resistance: ( r o jec ): 100 c/w maximum at l = 0 inch thermal impedance: ( z o jx ): 15 c/w maximum polarity: diode to be operated with the banded (cathode) end positive. mounting surface selection: the axial coefficient of expansion (coe) of this device is approximately +6ppm/c. the coe of the mounting surface system should be selected to provide a suitable match with this device. millimeters inches dim min max min max d 2.39 2.66 .094 .105 f 0.41 0.55 .016 .022 g 4.80 5.20 .189 .205 g1 4.11 ref. .159 ref. s 0.03 min. .001 min. ? 1 watt zener diodes ? leadless package for surface mount ? double plug construction ? metallurgically bonded cdll4728 thru cdll4764a and cdll1w110
128 cdll4728 thru cdll4764a and cdll1w110 .1 .2 .3 .4 .5 1 2 5 10 20 30 40 50 100 operating current l zt (ma) figure 3 zener impedance vs. operating current 1000 500 400 300 200 100 50 40 30 20 10 5 4 3 2 1 zener impedance z zt (ohms) 3.3 volt 5.1 volt 27 volt 11 volt 6.2 volt
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