data sheet issue 1. types N1718NS120 to n1718ns180. page 1 of 9 february, 2001 westcode date:- 6 feb, 2001 data sheet issue:- 1 phase control thyristor types N1718NS120 to n1718ns180 absolute maximum ratings voltage ratings maximum limits units v drm repetitive peak off-state voltage, (note 1) 1200-1800 v v dsm non-repetitive peak off-state voltage, (note 1) 1200-1800 v v rrm repetitive peak reverse voltage, (note 1) 1200-1800 v v rsm non-repetitive peak reverse voltage, (note 1) 1300-1900 v other ratings maximum limits units i t(av) mean on-state current, t sink =55c, (note 2) 1718 a i t(av) mean on-state current. t sink =85c, (note 2) 1143 a i t(av) mean on-state current. t sink =85c, (note 3) 663 a i t(rms) nominal rms on-state current, 25c, (note 2) 3450 a i t(d.c.) d.c. on-state current, 25c, (note 4) 2852 a i tsm peak non-repetitive surge t p =10ms, v rm =0.6v rrm , (note 5) 27.2 ka i tsm2 peak non-repetitive surge t p =10ms, v rm 10v, (note 5) 29.9 ka i 2 ti 2 t capacity for fusing t p =10ms, v rm =0.6v rrm , (note 5) 3.7010 6 a 2 s i 2 t i 2 t capacity for fusing t p =10ms, v rm 10v, (note 5) 4.4710 6 a 2 s maximum rate of rise of on-state current (repetitive), (note 6) 500 a/s di t /dt maximum rate of rise of on-state current (non-repetitive), (note 6) 1000 a/s v rgm peak reverse gate voltage 5 v p g(av) mean forward gate power 4 w p gm peak forward gate power 30 w v gd non-trigger gate voltage, (note 7) 0.25 v t hs operating temperature range -40 to +125 c t stg storage temperature range -40 to +150 c notes:- 1) de-rating factor of 0.13% per c is applicable for t j below 25c. 2) double side cooled, single phase; 50hz, 180 half-sinewave. 3) single side cooled, single phase; 50hz, 180 half-sinewave. 4) double side cooled. 5) half-sinewave, 125c t j initial. 6) v d =67% v drm , i tm =1500a, i fg =2a, t r 0.5s, t case =125c. 7) rated v drm .
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 2 of 9 february, 2001 characteristics parameter min. typ. max. test conditions (note 1) units v tm maximum peak on-state voltage - - 1.41 i tm =2550a v v 0 threshold voltage - - 0.979 v r s slope resistance - - 0.169 m ? dv/dt critical rate of rise of off-state voltage 1000 - - v d =80% v drm v/ s i drm peak off-state current - - 100 rated v drm ma i rrm peak reverse current - - 100 rated v rrm ma v gt gate trigger voltage - - 3.0 t j =25c v i gt gate trigger current - - 300 t j =25c. v d =10v, i t =2a ma i h holding current - - 1000 t j =25c ma - - 0.024 double side cooled k/w r thermal resistance, junction to heatsink - - 0.048 single side cooled k/w f mounting force 19 - 26 kn w t weight - 510 - g notes:- 1) unless otherwise indicated t j =125 c.
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 3 of 9 february, 2001 notes on ratings and characteristics 1.0 voltage grade table voltage grade 'h' v drm v dsm v rrm v v rsm v v d v r dc v 12 1200 1300 810 14 1400 1500 930 16 1600 1700 1040 18 1800 1900 1150 2.0 extension of voltage grades this report is applicable to other and higher voltage grades when supply has been agreed by sales/production. 3.0 de-rating factor a blocking voltage de-rating factor of 0.13%/c is applicable to this device for t j below 25c. 4.0 repetitive dv/dt standard dv/dt is1000v/s. 5.0 computer modelling parameters 5.1 device dissipation calculations s av s av r ff w r ff v v i ? ? ? ? ? + + ? = 2 2 2 0 0 2 4 and: hs j th av t t t r t w ? = ? ? = max where v 0 =0.979v,r s =0.169m ?, r th = supplementary thermal impedance, see table below. ff = form factor, see table below. supplementary thermal impedance conduction angle 30 60 90 120 180 270 d.c. square wave double side cooled 0.0293 0.0285 0.0278 0.0271 0.0261 0.0249 0.024 square wave single side cooled 0.0534 0.053 0.0524 0.0518 0.0509 0.0497 0.0489 sine wave double side cooled 0.0286 0.0276 0.0269 0.0263 0.0248 sine wave single side cooled 0.0531 0.0523 0.0517 0.0511 0.0497 form factors conduction angle 30 60 90 120 180 270 d.c. square wave 3.46 2.45 2 1.73 1.41 1.15 1 sine wave 3.98 2.78 2.22 1.88 1.57
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 4 of 9 february, 2001 5.2 calculating v t using abcd coefficients the on-state characteristic i t vs. v t , on page 7 is represented in two ways; (i) the well established v o and r s tangent used for rating purposes and (ii) a set of constants a, b, c, d, forming the coefficients of the representative equation for v t in terms of i t given below: () t t t t i d i c i b a v ? + ? + ? + = ln the constants, derived by curve fitting software, are given below for both hot and cold characteristics. the resulting values for v t agree with the true device characteristic over a current range, which is limited to that plotted. 25c coefficients 125c coefficients a 0.7637538 a 0.5497078 b 0.03561525 b 0.067655 c 1.11447110 -4 c 1.625710 -4 d 0.001837515 d -0.001682 5.3 d.c. thermal impedance calculation = = ? ? ? ? ? ? ? ? ? ? ? = n p p t p t p e r r 1 1 where p = 1 to n, n is the number of terms in the series and: t = duration of heating pulse in seconds. r t = thermal resistance at time t. r p = amplitude of p th term. p = time constant of r th term. d.c. double side cooled term12345 r p 0.01249139 6.31683310 -3 1.85085510 -3 1.92204510 -3 6.13533010 -4 p 0.8840810 0.1215195 0.03400152 6.74290810 -3 1.32629210 -3 d.c. single side cooled term123456 r p 0.02919832 4.86356810 -3 3.74479810 -3 6.81803410 -3 2.18355810 -3 1.84829410 -3 p 6.298105 3.286174 0.5359179 0.1186897 0.02404574 3.37947610 -3
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 5 of 9 february, 2001 curves figure 1 - on-state current vs. power dissipation - double side cooled (sine wave) figure 2 - on-state current vs. heatsink temperature - double side cooled (sine wave) 0 500 1000 1500 2000 2500 3000 3500 4000 4500 0 500 1000 1500 2000 2500 mean forward current (a) (whole cycle averaged) maximum forward dissipation (w) 30 60 90 120 180 N1718NS120-180 issue 1 0 20 40 60 80 100 120 140 0 500 1000 1500 2000 2500 mean forward current (a) (whole cycle averaged) maximum permissable heatsink temperature (c) 30 60 90 120 180 N1718NS120-180 issue 1 figure 3 - on-state current vs. power dissipation - double side cooled (square wave) figure 4 - on-state current vs. heatsink temperature - double side cooled (square wave) 0 500 1000 1500 2000 2500 3000 3500 4000 4500 0 500 1000 1500 2000 2500 3000 mean forward current (amps) (whole cycle averaged) maximum forward dissipation (w) 30 60 90 120 180 d.c. 270 N1718NS120-180 issue 1 0 20 40 60 80 100 120 140 0 500 1000 1500 2000 2500 3000 mean forward current (amps) (whole cycle averaged) maximum permissible heatsink temperature (c) 30 60 90 120 180 d.c. 270 N1718NS120-180 issue 1
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 6 of 9 february, 2001 figure 5 - on-state current vs. power dissipation - single side cooled (sine wave) figure 6 - on-state current vs. heatsink temperature - single side cooled (sine wave) 0 500 1000 1500 2000 2500 0 200 400 600 800 1000 1200 1400 mean forward current (a) (whole cycle averaged) maximum forward dissipation (w) 30 60 90 120 180 N1718NS120-180 issue 1 0 20 40 60 80 100 120 140 0 200 400 600 800 1000 1200 1400 mean forward current (a) (whole cycle averaged) maximum permissable heatsink temperature (c) 30 60 90 120 180 N1718NS120-180 issue 1 figure 7 - on-state current vs. power dissipation - single side cooled (square wave) figure 8 - on-state current vs. heatsink temperature - single side cooled (square wave) 0 500 1000 1500 2000 2500 0 500 1000 1500 2000 mean forward current (amps) (whole cycle averaged) maximum forward dissipation (w) N1718NS120-180 issue 1 d.c. 270 180 120 90 60 30 0 20 40 60 80 100 120 140 0 500 1000 1500 2000 mean forward current (amps) (whole cycle averaged) maximum permissible heatsink temperature (c) 30 60 90 120 180 d.c. 270 N1718NS120-180 issue 1
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 7 of 9 february, 2001 figure 9 - on-state characteristics of limit device figure 10 - transient thermal impedance 100 1000 10000 0.511.522.5 instantaneous on-state voltage - v tm (v) instantaneous on-state current - i tm (a) t j = 125c t j = 25c N1718NS120-180 issue 1 0.00001 0.0001 0.001 0.01 0.1 0.0001 0.001 0.01 0.1 1 10 100 time (s) thermal impedance (k/w) ssc 0.048k/w dsc 0.024k/w N1718NS120-180 issue 1 figure 11 - gate characteristics - trigger limits figure 12 - gate characteristics - power curves 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 gate trigger current - i gt (a) gate trigger voltage - v gt (v) i gd , v gd i gt , v gt min v g dc max v g dc t j =25c 125c 25c -10c -40c N1718NS120-180 issue 1 0 2 4 6 8 10 12 14 16 18 20 0246810 gate trigger current - i gt (a) gate trigger voltage - v gt (v) p g 4w dc p g max 30w dc min v g dc max v g dc t j =25c N1718NS120-180 issue 1
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 8 of 9 february, 2001 figure 13 - maximum surge and i 2 t ratings 1000 10000 100000 total peak half sine surge current (a) 1.00e+06 1.00e+07 1.00e+08 maximum i 2 t (a 2 s) 13 510 1 5 10 50 100 duration of surge (ms) duration of surge (cycles @ 50hz) i 2 t: 60% v rrm i tsm : 60% v rrm i 2 t: v rrm 10v i tsm : v rrm 10v t j (initial) = 125c N1718NS120-180 issue 1
westcode positive development in power electronics N1718NS120 to n1718ns180 data sheet issue 1. types N1718NS120 to n1718ns180. page 9 of 9 february, 2001 outline drawing & ordering information ordering information (please quote 10 digit code as below) n1718 ns ? ? ? ? ? ? ? ? 0 0 0 0 fixed type code fixed outline code voltage code 12-18 fixed turn-off time code typical order code : n1718ns140 ? 1400v v drm , v rrm , 1000v/s dv/dt, 27mm clamp height capsule. westcode internet: http://www.westc ode.com uk: westcode semiconductors ltd. p.o. box 57, chippenham, wiltshire, england. sn15 1jl. tel: +44 (0) 1249 444524 fax: +44 (0) 1249 659448 e-mail: wsl.sales@westcode.com usa: westcode semiconductors inc. 3270 cherry avenue, long beach, california 90807 tel: +1 (562) 595 6971 fax: +1 (562) 595 8182 e-mail: wsi.sales@westcode.com the information contained herein is confidential and is protected by copyright. the information may not be used or disclosed except with the written permission of and in the manner permitted by the proprietors westcode semiconductors ltd. in the interest of product improvement, westcode reserves the right to change specifications at any time without prior notice. devices with a suffix code (2-letter or letter/digit/letter combination) added to their generic code are not necessarily subjec t to the conditions and limits contained in this report. ? westcode semiconductors ltd.
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