5.3 ? 0.2 0.4 ? 0.1 |? 2.4 ? 0.1 5 cathode indification features silicon planar power zener diodes for use in stabilizing and clipping circuits with high power rating. standard zener voltage tolerance is 10%. add m e c h an i c al d at a c a s e : melf , g l a s s c a s e terminals: solderable per mil-std-202, method 208 polarity: cathode band m a r k i ng: t y pe n u m b er a p p r o x . w e i gh t : 0 . 2 5 g r a m s . forw ard voltage at i f =200ma ratings at 25 ambient temperature unless otherwise specified. z - c u rr ent i z p v / v z unit value symbol dl4728 - - - dl4764 suffix "a" for 5% tolerance. other zener voltage zener diodes and tolerances are available upon request. power dissipation: 1.0 w melf w zener current (see table "characteristics") j un c t i on te m pe r a t u r e t j 175 1) symbol v f unit max ty p min 1 . 2 v s t o r age te m pe r atu r e r ange t s - 5 5 --- + 175 pow er dissipation @ t amb 50 p diss 1.0 1) maximum ratings and electrical characteristics k / w 1 70 r thja junction ambient i=9.5mm(3/8 ), t l =constant ma 1)valid provided that electrodes re kept at ambient temperature. dimensions in millimeters www.diode.kr diode semiconductor korea
nominal zener voltage 1) tes t current vz@i zt i zt i zt @z zt z zk @i zk (v) (ma) ( 9 . 0 45 10 9 www.diode.kr diode semiconductor korea
fi g. 1 -- breakdown characteri sti cs dl 4728 - - - dl 4764 fi g. 2 -- admi ssi ble power di ssi pati on versus ambi ent temperature w 1.0 0.8 0.6 0.2 0.4 0 0 100 200 ?? p tot t amb ma 0 51 0 i z 20 15 30 v 25 v z 20 40 60 80 100 dl 4728 dl 4731 dl 4732 dl 4733 dl 4735 dl 4739 dl 4741 dl 4742 dl 4744 dl 4747 dl 4748 dl 4749 dl 4750 www.diode.kr diode semiconductor korea
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