silicon glass passivated 1.5 watt zener diodes 1N4477 do-41 glass axial package use in automotive, industrial, commerical entertainment and computer applications absolute maximum ratings description symbol v z tolerances power dissipation at t a =25oc p d operating temperature t j storage temperature t stg t l thermal impedance electrical characteristics t a =25oc v f <1.2v at 200ma and <1.5v at 1.0a device # nominal test maximum maximum continuous maximum surge zener current dynamic current voltage impedance v z i zt z zt at i zt i r at v r i zm (v) (ma) ( w w ) ( w w ) (ma) ( m m a) (v) (ma) 1N4477 33 7.5 25 800 0.25 0.05 26.4 43 1N4477rev040506e unit w oc maximum knee impedance value 1.5 - 65 to +200 4.5 thermal resistance junction to lead at 3/8" (10mm) from body 42 oc/w - 65 to +175 oc oc/w + 5.0 % z zk at i zk maximum reverse current current i zsm at t a =25oc amps 0.43 continental device india limited data sheet page 1 of 3 continental device india limited an iso/ts 16949, iso 9001 and iso 14001 certified company
1N4477 do-41 glass axial package 1N4477rev040506e do-41, 52mm taping specification on request also available in 26 mm tape and ammo pack do-41 glass axial package c d a a b dim min max a 27.90 ? b 4.06 5.51 c 0.71 0.87 d 2.03 2.72 notes 1. cathode is marked by band. 2. all dimensions are in mm. 1 . 0 5 m a x . 1.5 r max. 5.50 4.50 52.0 48.0 11 diodes all dimensions in mm. 5 4 . 0 0 5 0 . 0 0 c e n t r e l i n e 1 . 0 5 6 . 0 5 . 0 label 2 5 5 . 0 m m tapes 8 5 . 0 m m leader 6 . 0 1 . 0 1 . 0 2 . 0 5 2 . 0 6 . 0 f e e d 52 mm taping specification t & a indicates axil tape & ammo packing (52 mm tape spacing). 300 mm (min) leader tape on every spool. no. of empty places allowed 0.25% without consecutive empty places. ends of leads shall preferably not protrude beyond the tapes. 5. tapes so that they can not come free in normal handling. do-41:- 2500 pcs./ammo pack diode ammo pack 7 3 . 5 m m components shall be held sufficiently in the tape or 4. 3. 2. 1. do-41 t&a 2.5k/ammo box 1.04 kg/2.5k pcs 10" x 3.5" x 3.5" 2.5k 12.7" x 12.7" x 20" 62.5k 30 kgs package net weight/qty details standard pack inner carton box qty outer carton box qty gr wt size size packing detail continental device india limited data sheet page 2 of 3
customer notes 1N4477 do-41 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). 1N4477rev040506e 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 3 of 3
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