continental device india limited an is/iso 9002 and iecq certified manufacturer silicon 400mw zener diodes 6.8v to 47v 1n957b to 1n977b do- 35 glass axial package hermetically sealed glass package zener diodes absolute maximum ratings (t a =25oc unless specified otherwise ) v mw mw/oc oc electrical characteristics (t a =25oc unless specified otherwise ) vf < 1.5v max @ i f =200ma device * nominal zener max dc max. surge max temp. (note 1) zener test zener current current coefficient voltage current (recurrent) voltage v z @ i zt i zt z zt @ i zm i z ( surge) vz i zt z zk i zk (volts) (ma) ( w w ) ( w w ) (ma) ( m m a) (volts) (ma) (ma) % / oc 1n957b 6.8 18.5 4.5 700 1.0 150 5.2 55 300 +0.05 1n958b 7.5 16.5 5.5 700 0.5 75 5.7 50 275 +0.058 1n959b 8.2 15 6.5 700 0.5 50 6.2 45 250 +0.065 1n960b 9.1 14 7.5 700 0.5 25 6.9 41 225 +0.068 1n961b 10 12.5 8.5 700 0.25 10 7.6 38 200 +0.075 1n962b 11 11.5 9.5 700 0.25 5 8.4 32 175 +0.076 1n963b 12 10.5 11.5 700 0.25 5 9.1 31 160 +0.077 1n964b 13 9.5 13 700 0.25 5 9.9 28 150 +0.079 1n965b 15 8.5 16 700 0.25 5 11.4 25 130 +0.082 1n966b 16 7.8 17 700 0.25 5 12.2 24 120 +0.083 1n967b 18 7.0 21 750 0.25 5 13.7 20 110 +0.085 1N968b 20 6.2 25 750 0.25 5 15.2 18 100 +0.086 1n969b 22 5.6 29 750 0.25 5 16.7 16 90 +0.087 1n970b 24 5.2 33 750 0.25 5 18.2 15 80 +0.088 1n971b 27 4.6 41 750 0.25 5 20.6 13 70 +0.090 1n972b 30 4.2 49 1000 0.25 5 22.8 12 65 +0.091 1n973b 33 3.8 58 1000 0.25 5 25.1 11 60 +0.092 1n974b 36 3.4 70 1000 0.25 5 27.4 10 55 +0.093 1n975b 39 3.2 80 1000 0.25 5 29.7 9.5 46 +0.094 1n976b 43 3.0 93 1500 0.25 5 32.7 8.8 44 +0.095 1n977b 47 2.7 105 1500 0.25 5 35.8 7.9 40 +0.095 note (1) : part no. suffix specifies the tolerance of v z no suffix = +/- 20% suffix a = +/- 10% suffix b = +/- 5% * pulse condition : 20ms < tp 50ms, duty cycle <2% operating and storage temperature -65 to +175 unit zener voltage steady state power dissipation derating factor above 50oc 6.8 to 47 400 3.2 value description i r @ v r max zener impedance z zk @ max reverse leakage current is/iso 9002 lic# qsc/l-000019.3 continental device india limited data sheet page 1 of 3
1n957b to 1n977b do- 35 glass axial package do-35 hermetically sealed glass axial package do-35, 52mm taping specification on request also available in 26 mm tape and ammo pack notes 1. cathode is marked by band. 2. all dimensions are in mm. c d a b a dim min max a 25.40 ? b 3.03 4.44 c 0.46 0.56 d 1.52 2.29 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 axial 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-35:- 5000 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-35 t&a 5k/ammo box 0.88 kg/5k pcs 10" x 3.5" x 3.5" 5k 12.7" x 12.7" x 20" 125k 25 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
notes 1n957b to 1n977b do- 35 glass axial package 1n957_77rev080402d disclaimer the product information and the selection guides facilitate selection of the cdil's discrete 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 are 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 discrete 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 + 91-11-579 6150 fax + 91-11-579 9569, 579 5290 e-mail sales@cdil.com www.cdil.com continental device india limited data sheet page 3 of 3
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