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 cas e:do-41, glas s cas e terminals: solderable per mil-std-202, method 208 polarity: cathode band marking: type number approx. weight: 0.35 grams. 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 1n4728 --- 1n4764 suffix "a" for 5% tolerance. other zener voltage zener diodes and tolerances are available upon request. power dissipation: 1.0 w do-41(glass) w zener current (see table "characteristics") junction temperature t j 200 symbol v f unit max ty p min 1 . 2 v storage temperature range t s -55---+200 pow er dissipation @ t amb 50 p diss 1.0 1) maximum ratings and electrical characteristics k / w 100 r thja junction ambient i=9.5mm(3/8 ), t l =constant ma dimensions in millimeters www.diode.kr diode semiconductor korea
nominal zener voltage 1) tes t current v z @ i zt i zt z zt @ i zt z z k @ i zk (v) (ma) ( 9 . 0 45 10 9 www.diode.kr diode semiconductor korea
fi g. 1 -- breakdown characteri sti cs 1n4728 -- 1n4764 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 1 n 4728 1 n 4731 1 n 4732 1 n 4733 1 n 4735 1 n 4739 1 n 4741 1 n 4742 1 n 4744 1 n 4747 1 n 4748 1 n 4749 1 n 4750 www.diode.kr diode semiconductor korea
|
