23 mils 15 mils 15 mils 23 mils 195 ? 1n4614 thru 1n4627 available in janhc and jankc per mil-prf-19500/435 ? zener diode chips ? all junctions completely protected with silicon dioxide ? electrically equivalent to 1n4614 thru 1n4627 ? 0.5 watt capability with proper heat sinking ? compatible with all wire bonding and die attach techniques, with the exception of solder reflow design data metallization: top: (anode).................... .al back: (cathode)............. ..au al thickness ............25,000 ? min gold thickness ... .....4,000 ? min chip thickness ............. .....10 mils circuit layout data: for zener operation, cathode must be operated positive with respect to anode. tolerances: all dimensions + 2 mils maximum ratings operating temperatures: -65c to +175c storage temperatures: -65c to +175c forward voltage @ 200 ma: 1.5 volts maximum electrical characteristics @ 25c, unless otherwise speci?ed. nominal zener maximum maximum reverse type zener test zener leakage current number voltage current impedance v z @ i zt i zt z zt @ i zt 1 r @ v r (note 1) (note 2) volts a ohms a volts cd4614 1.8 250 1200 7.5 1 cd4615 2.0 250 1250 5.0 1 cd4616 2.2 250 1300 4.0 1 cd4617 2.4 250 1400 2.0 1 cd4618 2.7 250 1500 1.0 1 cd4619 3.0 250 1600 0.8 1 cd4620 3.3 250 1650 7.5 1.5 cd4621 3.6 250 1700 7.5 2 cd4622 3.9 250 1650 5.0 2 CD4623 4.3 250 1600 4.0 2 cd4624 4.7 250 1550 10.0 3 cd4625 5.1 250 1500 10.0 3 cd4626 5.6 250 1400 10.0 4 cd4627 6.2 250 1200 10.0 5 cd4614 thru cd4627 backside is cathode figure 1 note 1 zener voltage range equals nominal zener voltage + 5% for no suffix types. zener voltage is read using a pulse measurement, 10 milliseconds maximum. "c" suffix = + 2% tolerance and "d" suffix = + 1% tolerance. note 2 zener impedance is derived by superimposing on l zt a 60hz rms a.c. current equal to 10% of l zt . 6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (978) 689-0803 website: http://www.microsemi.com
cd4614 thru cd4627 196 .1 .2 .5 1 2 5 10 20 50 100 operating current i zt (ma) figure 3 zener impedance vs. operating current zener impedance z zt (ohms) 1000 500 400 300 200 100 50 40 30 20 10 5 4 3 2 1 5.1 volt 6.2 volt 3.3 volt
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