?? ??? yangzhou yangjie electroni c technology co., ltd. ? document number 0247 rev. 1.0, 22-sep-11 www.21yangjie.com DL47 series ?? zener diodes features ?? outline dimensions and mark p tot 1.0w v z 3.3v-100v ? ?? applications ? ?? ?? stabilizing voltage ??? ? limiting values (absolute maximum rating) item symbol unit conditions ? max ? power dissipation p tot w l=4mm,t l =25 1.0 1) ? zener current i z ma p v /v z maximum junction temperature t j 175 ?? storage temperature range t stg -65 to +175 t a =25 electrical characteristics t a =25 unl ess otherwise specified item symbol unit conditions ? max (1) thermal resistance r ja /w ? l=4 ? t l = junction to ambient air, l=4mm,t l =constant 170 ? notes: 1) ??? valid provided that electrodes ar e kept at ambient temperature. .205(5.20) dimensions in inches and (millimeters) melf do-213ab(ll-41) .189(4.80) .022(0.55)max. .110(2.80) max. 0.079(2.0) 0.197(5.0) mounting pad layout 0.118(3.0)
?? ??? yangzhou yangjie electroni c technology co., ltd. ? document number 0247 rev. 1.0, 22-sep-11 www.21yangjie.com DL47 series ? (t a =25 ) electrical characteristics (t a =25 unless otherwise noted) ??? nominal zener voltage 1) ? test current ? maximum dynamic impedance ? maximum reverse leakage current ? surge current 3) maximum regulator current 2) v z at i zt i zt z zt at i zt z zk at i zk i zk ir test voltage v r at t a =25 i r i zm ?? part number v ma ma a v ma ma DL4728a 3.3 76 10 400 1 100 1 1380 276 DL4729a 3.6 69 10 400 1 100 1 1260 252 DL4730a 3.9 64 9 400 1 50 1 1190 234 DL4731a 4.3 58 9 400 1 10 1 1070 217 DL4732a 4.7 53 8 500 1 10 1 970 193 DL4733a 5.1 49 7 550 1 10 1 890 178 DL4734a 5.6 45 5 600 1 10 2 810 162 DL4735a 6.2 41 2 700 1 10 3 730 146 DL4736a 6.8 37 3.5 700 1 10 4 660 133 DL4737a 7.5 34 4 700 0.5 10 5 605 121 DL4738a 8.2 31 4.5 700 0.5 10 6 550 110 DL4739a 9.1 28 5 700 0.5 10 7 500 100 DL4740a 10 25 7 700 0.25 10 7.6 454 91 DL4741a 11 23 8 700 0.25 5 8.4 414 83 DL4742a 12 21 9 700 0.25 5 9.1 380 76 DL4743a 13 19 10 700 0.25 5 9.9 344 69 DL4744a 15 17 14 700 0.25 5 11.4 304 61 DL4745a 16 15.5 16 700 0.25 5 12.2 285 57 DL4746a 18 14 20 750 0.25 5 13.7 250 50 DL4747a 20 12.5 22 750 0.25 5 15.2 225 45 DL4748a 22 11.5 23 750 0.25 5 16.7 205 41 DL4749a 24 10.5 25 750 0.25 5 18.2 190 38 DL4750a 27 9.5 35 750 0.25 5 20.6 170 34 DL4751a 30 8.5 40 1000 0.25 5 22.8 150 30 DL4752a 33 7.5 45 1000 0.25 5 25.1 135 27 DL4753a 36 7 50 1000 0.25 5 27.4 125 25 DL4754a 39 6.5 60 1000 0.25 5 29.7 115 23 DL4755a 43 6 70 1500 0.25 5 32.7 110 22 DL4756a 47 5.5 80 1500 0.25 5 35.8 95 19 DL4757a 51 5 95 1500 0.25 5 38.8 90 18 DL4758a 56 4.5 110 2000 0.25 5 42.6 80 16 DL4759a 62 4 125 2000 0.25 5 47.1 70 14 DL4760a 68 3.7 150 2000 0.25 5 51.7 65 13 DL4761a 75 3.3 175 2000 0.25 5 56 60 12 DL4762a 82 3 200 3000 0.25 5 62.2 55 11 DL4763a 91 2.8 250 3000 0.25 5 69.2 50 10 DL4764a 100 2.5 350 3000 0.25 5 76 45 9 ? notes: 1) 1khz ??? 10% ? (i zt i zk ) ? i zt i zk ? ?????? the zener impedance is derived from the 1 khz ac voltage which results when an ac current having an rms value equal to 10 % of the zener current (izt or iz k) 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 are kept at ambient temperature 3) ?? ? measured under thermal equilibrium and dc test conditions
?? ??? yangzhou yangjie electroni c technology co., ltd. ? document number 0247 rev. 1.0, 22-sep-11 www.21yangjie.com DL47 series ?? characteristics(typical) 0 200 0 tamb ptot(w) ? 1 ?????? fig1: admissible power dissipation vs. ambient temperat 0.6 100 0.2 0.4 0.8 1.0
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