silicon planar power zener diodes zm4728 - zm4764 3.3 - 100v ll-41 (melf) glass axial package for use in stabilzing and clipping circuits with high power rating standard zener voltage tolerance is +/- 10% . add suffix a for +/- 5% tolerance description unit power dissipation at t amb =25oc w junction temperature oc storage temperature range oc thermal resistance junction to ambient in free air k/w *valid provided that electrodes are kept at ambient temperature electrical characteristics (t a =25oc v f <1.2v at 200ma ) device ***v zt at i zt i zt i r v r surge current r zt nominal max max max max i r (v) (ma) ( w w ) ( w w ) (ma) ( m m a) (v) (ma) zm4728 3.3 76 10 400 1.00 150 1.0 1375 zm4729 3.6 69 10 400 1.00 100 1.0 1260 zm4730 3.9 64 9.0 400 1.00 100 1.0 1190 zm4731 4.3 58 9.0 400 1.00 50 1.0 1070 zm4732 4.7 53 8.0 500 1.00 10 1.0 970 zm4733 5.1 49 7.0 550 1.00 10 1.0 890 zm4734 5.6 45 5.0 600 1.00 10 2.0 810 zm4735 6.2 41 2.0 700 1.00 10 3.0 730 zm4736 6.8 37 3.5 700 1.00 10 4.0 660 zm4737 7.5 34 4.0 700 0.5 10 5.0 605 zm4738 8.2 31 4.5 700 0.5 10 6.0 550 zm4739 9.1 28 5.0 700 0.5 10 7.0 500 ZM4740 10 25 7.0 700 0.25 10 7.6 454 zm4741 11 23 8.0 700 0.25 5 8.4 414 zm4742 12 21 9.0 700 0.25 5 9.1 380 zm4743 13 19 10 700 0.25 5 9.9 344 zm4744 15 17 14 700 0.25 5 11.4 304 zm4745 16 15.5 16 700 0.25 5 12.2 285 zm4746 18 14 20 750 0.25 5 13.7 250 zm4747 20 12.5 22 750 0.25 5 15.2 225 zm4748 22 11.5 23 750 0.25 5 16.7 205 zm4749 24 10.5 25 750 0.25 5 18.2 190 zm4750 27 9.5 35 750 0.25 5 20.6 170 zm4751 30 8.5 40 1000 0.25 5 22.8 150 zm4752 33 7.5 45 1000 0.25 5 25.1 135 zm4728_4764rev120706e *maximum zener impedance 38 34 30 27 57 50 45 41 83 76 69 61 121 110 100 91 178 162 146 133 absolute maximum ratings (t a =25oc) *r th (j-a) 170 z zk at i zk **i zm symbol *p d t j t stg value 1 +175 - 65 to +175 max (ma) 275 252 234 217 193 continental device india limited data sheet page 1 of 4 continental device india limited an iso/ts 16949, iso 9001 and iso 14001 certified company
silicon planar power zener diodes zm4728 - zm4764 3.3 - 100v ll-41 (melf) glass axial package electrical characteristics (t a =25oc v f <1.2v at 200ma ) device ***v zt at i zt i zt i r v r surge current r zt nominal max max max max i r (v) (ma) ( w w ) ( w w ) (ma) ( m m a) (v) (ma) zm4753 36 7.0 50 1000 0.25 5 27.4 125 zm4754 39 6.5 60 1000 0.25 5 29.7 115 zm4755 43 6.0 70 1500 0.25 5 32.7 110 zm4756 47 5.5 80 1500 0.25 5 35.8 95 zm4757 51 5.0 95 1500 0.25 5 38.8 90 zm4758 56 4.5 110 2000 0.25 5 42.6 80 zm4759 62 4.0 125 2000 0.25 5 47.1 70 zm4760 68 3.7 150 2000 0.25 5 51.7 65 zm4761 75 3.3 175 2000 0.25 5 56.0 60 zm4762 82 3.0 200 3000 0.25 5 62.2 55 zm4763 91 2.8 250 3000 0.25 5 69.2 50 zm4764 100 2.5 350 3000 0.25 5 76.0 45 * the zener impedance is derived from the 60 h z ac voltage which results when an ac current having an rms value equal to 10% of the zener current (i zt or i zk ) is superimposed on i zt or i zk . zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. *valid provided that electrodes are kept at ambient temperature *** measured under thermal equilibrium and dc test conditions zm4728_4764rev120706e 11 10 9 *maximum zener impedance **i zm max (ma) 16 14 13 12 23 22 19 18 25 z zk at i zk continental device india limited data sheet page 2 of 4
zm4728 - zm4764 3.3 - 100v ll-41 (melf) glass axial package component disposal instructions ? 1. cdil semiconductor devices are rohs compliant, customers?are requested to please dispose as per prevailing environmental legislation of their country. 2. in europe, please dispose as per eu directive 2002/96/ec on?waste electrical and? electronic equipment (weee). zm4728_4764rev120706e continental device india limited data sheet page 3 of 4
customer notes zm4728 - zm4764 3.3 - 100v ll-41 (melf) glass axial package zm4728_4764rev120706e disclaimer the product information and the selection guides facilitate selection of the cdil's semiconductor device(s) best suited for application in your product(s) as per your requirement. it is recommended that you completely review our data sheet(s) so as to confirm that the device(s) meet functionality parameters for your application. the information furnished in the data sheet and on the cdil web site/cd is believed to be accurate and reliable. cdil however, does not assume responsibility for inaccuracies or incomplete information. furthermore, cdil does not assume liability whatsoever, arising out of the application or use of any cdil product; neither does it convey any license under its patent rights nor rights of others. these products are not designed for use in life saving/support appliances or systems. cdil customers selling these products (either as individual semiconductor devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and cdil will not be responsible for any damages resulting from such sale(s). cdil strives for continuous improvement and reserves the right to change the specifications of its products without prior notice. cdil is a registered trademark of continental device india limited c-120 naraina industrial area, new delhi 110 028, india. telephone + 91-11-2579 6150, 4141 1112 fax + 91-11-2579 5290, 4141 1119 email@cdil.com www.cdilsemi.com continental device india limited data sheet page 4 of 4
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