23 mils 15 mils 15 mils 23 mils 203 ? zener diode chips ? all junctions completely protected with silicon dioxide ? electrically equivalent to 1n5221b thru 1n5272b ? 0.5 watt capability with proper heat sinking ? compatible with all wire bonding and die attach techniques, with the exception of solder reflow cd5221b thru cd5272b 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 electrical characteristics @ 25c, unless otherwise speci?ed nominal zener maximum maximum type voltage test zener impedance reverse current number (note 1) current (note 2) v z @ l zt l z t z zt @ l z tz zk @l zk =0.25ma l r @ v r volts ma ohms ohms a volts cd5221b 2.4 20 30 1200 100 1.0 cd5222b 2.5 20 30 1250 100 1.0 cd5223b 2.7 20 30 1300 75 1.0 CD5224B 2.8 20 30 1400 75 1.0 cd5225b 3.0 20 29 1600 50 1.0 cd5226b 3.3 20 28 1600 25 1.0 cd5227b 3.6 20 24 1700 15 1.0 cd5228b 3.9 20 23 1900 10 1.0 cd5229b 4.3 20 22 2000 5.0 1.0 cd5230b 4.7 20 19 1900 5.0 2.0 cd5231b 5.1 20 17 1600 5.0 2.0 cd5232b 5.6 20 11 1600 5.0 3.0 cd5233b 6.0 20 7.0 1600 5.0 3.5 cd5234b 6.2 20 7.0 1000 5.0 4.0 cd5235b 6.8 20 5.0 750 3.0 5.0 cd5236b 7.5 20 6.0 500 3.0 6.0 cd5237b 8.2 20 8.0 500 3.0 6.5 cd5238b 8.7 20 8.0 600 3.0 6.5 cd5239b 9.1 20 10 600 3.0 7.0 cd5240b 10 20 17 600 3.0 8.0 cd5241b 11 20 22 600 2.0 8.4 cd5242b 12 20 30 600 1.0 9.1 cd5243b 13 9.5 13 600 0.5 9.9 cd5244b 14 9.0 15 600 0.1 10 cd5245b 15 8.5 16 600 0.1 11 cd5246b 16 7.8 17 600 0.1 12 cd5247b 17 7.4 19 600 0.1 13 cd5248b 18 7.0 21 600 0.1 14 cd5249b 19 6.6 23 600 0.1 14 cd5250b 20 6.2 25 600 0.1 15 cd5251b 22 5.6 29 600 0.1 17 cd5252b 24 5.2 33 600 0.1 18 cd5253b 25 5.0 35 600 0.1 19 cd5254b 27 4.6 41 600 0.1 21 cd5255b 28 4.5 44 600 0.1 21 cd5256b 30 4.2 49 600 0.1 23 cd5257b 33 3.8 58 700 0.1 25 cd5258b 36 3.4 70 700 0.1 27 cd5259b 39 3.2 80 800 0.1 30 cd5260b 43 3.0 93 900 0.1 33 cd5261b 47 2.7 105 1000 0.1 36 cd5262b 51 2.5 125 1100 0.1 39 cd5263b 56 2.2 150 1300 0.1 43 cd5264b 60 2.1 170 1400 0.1 46 cd5265b 62 2.0 185 1400 0.1 47 cd5266b 68 1.8 230 1600 0.1 52 cd5267b 75 1.7 270 1700 0.1 56 cd5268b 82 1.5 330 2000 0.1 62 cd5269b 87 1.4 370 2200 0.1 68 cd5270b 91 1.4 400 2300 0.1 69 cd5271b 100 1.3 500 2600 0.1 76 cd5272b 110 1.1 750 3000 0.1 84 notes on page 158 backside is cathode figure 1 6 lake street, lawrence, massachusetts 01841 phone (978) 620-2600 fax (978) 689-0803 website: http://www.microsemi.com
204 maximum ratings operating temperature: -65c to +175c storage temperature: -65c to +175c forward voltage @ 200 ma: 1.5 volts maximum note 1 zener voltage range equals ?nominal zener voltage? (see table) + 5%, for ?b? suffix types. ?a? suffix denotes + 10%. no suffix denotes + 20%. "c" suffix = + 2% tolerance and "d" suffix = + 1% tolerance. note 2 zener impedance is derived by superimposing on l zt a 60 hz rms a.c. current equal to 10% of l zt note 3 zener voltage is read using a pulse measment, 10 miliseconds maximum. cd5221b thru cd5272b .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 .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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