6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (978) 689-0803 website: http://www.microsemi.com 135 figure 1 design data case: do-213aa , hermetically sealed glass case. (melf, sod-80, ll34) lead finish: tin / lead polarity: diode to be operated with the banded (cathode) end positive. mounting position: any. 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. cdll4916 thru cdll4932a maximum ratings operating temperature: -65c to +175c storage temperature: -65c to +175c dc power dissipation: 500mw @ +50c power derating: 4 mw / c above +50c reverse leakage current l r = 15 a @ 25c & v r = 12vdc electrical characteristics @ 25c, unless otherwise specified. cdi voltage effective maximum maximum type test temperature temperature temperature dynamic noise number current stability range coefficient impedance density l zt 3v zt z zt n d (note 3) (note 2) (note 1) ma mv c %/c ohms v/ hz cdll4916 0.5 144 +25 to +100 0.01 600 1.0 cdll4916a 0.5 298 -55 to +100 0.01 600 1.0 cdll4917 0.5 72 +25 to +100 0.005 600 1.0 cdll4917a 0.5 149 -55 to +100 0.005 600 1.0 cdll4918 0.5 29 +25 to +100 0.002 600 1.0 cdll4918a 0.5 60 -55 to +100 0.002 600 1.0 cdll4919 1.0 144 +25 to +100 0.01 300 0.5 cdll4919a 1.0 298 -55 to +100 0.01 300 0.5 cdll4920 1.0 72 +25 to +100 0.005 300 0.5 cdll4920a 1.0 149 -55 to +100 0.005 300 0.5 cdll4921 1.0 29 +25 to +100 0.002 300 0.5 cdll4921a 1.0 60 -55 to +100 0.002 300 0.5 cdll4922 2.0 144 +25 to +100 0.01 150 0.25 cdll4922a 2.0 298 -55 to +100 0.01 150 0.25 cdll4923 2.0 72 +25 to +100 0.005 150 0.25 cdll4923a 2.0 149 -55 to +100 0.005 150 0.25 cdll4924 2.0 29 +25 to +100 0.002 150 0.25 cdll4924a 2.0 60 -55 to +100 0.002 150 0.25 cdll4925 4.0 144 +25 to +100 0.01 75 0.22 cdll4925a 4.0 298 -55 to +100 0.01 75 0.22 cdll4926 4.0 72 +25 to +100 0.005 75 0.22 cdll4926a 4.0 149 -55 to +100 0.005 75 0.22 cdll4927 4.0 29 +25 to +100 0.002 75 0.22 cdll4927a 4.0 60 -55 to +100 0.002 75 0.22 cdll4928 4.0 14 +25 to +100 0.001 75 0.22 cdll4928a 4.0 30 -55 to +100 0.001 75 0.22 cdll4929 7.5 144 +25 to +100 0.01 36 0.20 cdll4929a 7.5 298 -55 to +100 0.01 36 0.20 cdll4930 7.5 72 +25 to +100 0.005 36 0.20 CDLL4930A 7.5 149 -55 to +100 0.005 36 0.20 cdll4931 7.5 29 +25 to +100 0.002 36 0.20 cdll4931a 7.5 60 -55 to +100 0.002 36 0.20 cdll4932 7.5 14 +25 to +100 0.001 36 0.20 cdll4932a 7.5 30 -55 to +100 0.001 36 0.20 note 1 zener impedance is derived by superimposing on l zt a 60hz rms a.c. current equal to 10% of l zt . note 2 the maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mv at any discrete temperature between the established limits, per jedec standard no.5. note 3 zener voltage range equals 19.2 volts + 5%. ? temperature compensated zener reference diodes ? leadless package for surface mount ? 19.2 volt nominal zener voltage + 5% ? low noise ? double plug construction ? metallurgically bonded millimeters inches dim min max min max d 1.60 1.70 0.063 0.067 f 0.41 0.55 0.016 0.022 g 3.30 3.70 .130 .146 g1 2.54 ref. .100 ref. s 0.03 min. .001 min.
cdll4916 thru cdll4932a 136 24 681012 operating current l zt (ma) zener impedance z zt (ohms) figure 2 zener impedance vs. operating current .2 .4 .6 .8 operating current l zt (ma) 0.5 1.0 1.5 2.0 operating current l zt (ma) 1.0 2.0 3.0 4.0 operating current l zt (ma) 6789 operating current l zt (ma) 2 3 4 5 6 operating current l zt (ma) +.0015 +.0010 +.0005 0 -.0005 -.0010 -.0015 change in temperature coefficient ( %/c) figure 3 typical change of temperature coefficient with change in operating current +.0015 +.0010 +.0005 0 -.0005 -.0010 -.0015 change in temperature coefficient ( %/c) 1n4916 - 1n4918 1n4922 - 1n4924 1n4919 - 1n4921 1n4925 - 1n4928 1n4929 - 1n4932 1000 500 200 100 50 20 10
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