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provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 1 of 11 november, 2004 westcode an ixys company date:- 17 nov, 2004 data sheet issue:- 1a provisional data medium voltage thyristor types k3503f#450 to k3503f#520 (development type no. kx094fc450-520) absolute maximum ratings voltage ratings maximum limits units v drm repetitive peak off-state voltage, (note 1) 4500-5200 v v dsm non-repetitive peak off-state voltage, (note 1) 4500-5200 v v rrm repetitive peak reverse voltage, (note 1) 4500-5200 v v rsm non-repetitive peak reverse voltage, (note 1) 4600-5300 v other ratings maximum limits units i t(av)m maximum average on-state current, t case =55c, (note 2) 3898 a i t(av)m maximum average on-state current, t sink =55c, (note 2) 3503 a i t(av)m maximum average on-state current. t sink =85c, (note 2) 2416 a i t(av)m maximum average on-state current. t sink =85c, (note 3) 1472 a i t(rms) nominal rms on-state current, t sink =25c, (note 2) 6898 a i t(d.c.) d.c. on-state current, t sink =25c, (note 4) 6021 a i tsm peak non-repetitive surge t p =10ms, v rm =0.6v rrm , (note 5) 43.2 ka i tsm2 peak non-repetitive surge t p =10ms, v rm 10v, (note 5) 47.5 ka i 2 ti 2 t capacity for fusing t p =10ms, v rm =0.6v rrm , (note 5) 9.33 10 6 a 2 s i 2 t i 2 t capacity for fusing t p =10ms, v rm 10v, (note 5) 11.28 10 6 a 2 s critical rate of rise of on-state current (continuous, 50hz), (note 6) 250 critical rate of rise of on-state current (repetitive, 60s), (note 6) 500 (di/dt) cr critical 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 5 w p gm peak forward gate power 50 w t j op 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 fg =2a, t r 0.5s, t case =125c.

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 2 of 11 november, 2004 characteristics parameter min. typ. max. test conditions (note 1) units - - 2.35 i tm =5000a v v tm maximum peak on-state voltage - - 3.44 i tm =10500a v v t0 threshold voltage - - 1.375 v r t slope resistance - - 0.196 m ? (dv/dt) cr critical rate of rise of off-state voltage 1000 - - v d =80% v drm , linear ramp, gate o/c v/ s i drm peak off-state current - - 300 rated v drm ma i rrm peak reverse current - - 300 rated v rrm ma v gt gate trigger voltage - - 3.0 v i gt gate trigger current - - 600 t j =25c v d =10v, i t =3a ma v gd gate non-trigger voltage - - 0.25 rated v drm v i h holding current - - 1000 t j =25c ma t gd gate-controlled turn-on delay time - 1.5 3.0 s t gt turn-on time - 3.0 6.0 v d =67% v drm , i t =6000a, di/dt=10a/s, i fg =2a, t r =0.5s, t j =25c s q rr recovered charge - 8000 - c q ra recovered charge, 50% chord - 5500 6500 c i rm reverse recovery current - 230 - a t rr reverse recovery time - 48 - i tm =4000a, t p =2000s, di/dt=10a/s, v r =100v s - 800 - i tm =4000a, t p =2000s, di/dt=10a/s, v r =100v, v dr =80%v drm , dv dr /dt=20v/s t q turn-off time - 1600 - i tm =4000a, t p =2000s, di/dt=10a/s, v r =100v, v dr =80%v drm , dv dr /dt=200v/s s r thjc thermal resistance, junction to case - - 0.0055 double side cooled k/w - - 0.0065 double side cooled k/w r thjk thermal resistance, junction to heatsink - - 0.0130 single side cooled k/w f mounting force 81 - 99 note 2 kn w t weight - 2.8 - kg notes:- 1) unless otherwise indicated t j =125 c. 2) for other clamp forces consult factory. notes on rupture rated packages. this product is available with a non-rupture rated package. for additional details on these products, please consult factory.

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 3 of 11 november, 2004 notes on ratings and characteristics 1.0 voltage grade table voltage grade v drm v dsm v rrm v v rsm v v d v r dc v 45 4500 4600 2100 46 4600 4700 2120 48 4800 4900 2160 50 5000 5100 2200 52 5200 5300 2240 2.0 extension of voltage grades this report is applicable to other 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 is 1000v/s. 5.0 frequency ratings the curves illustrated in figures 17 & 18 are for guidance only and are superseded by the maximum ratings shown on page 1. for operation above line frequency, please consult the factory for assistance. 6.0 snubber components when selecting snubber components, care must be taken not to use excessively large values of snubber capacitor or excessively small values of snubber resistor. such excessive component values may lead to device damage due to the large resultant values of snubber discharge current. if required, please consult the factory for assistance. 7.0 rate of rise of on-state current the maximum un-primed rate of rise of on-state current must not exceed 400a/s at any time during turn- on on a non-repetitive basis. for repetitive performance, the on-state rate of rise of current must not exceed 200a/s at any time during turn-on. note that these values of rate of rise of current apply to the total device current including that from any local snubber network. 8.0 square wave frequency ratings these ratings are given for load component rate of rise of on-state current of 50a/s. 9.0 duty cycle lines the 100% duty cycle is represented on the frequency ratings by a straight line. other duties can be included as parallel to the first.

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 4 of 11 november, 2004 10.0 gate drive the nominal requirement for a typical gate drive is illustrated below. an open circuit voltage of at least 30v is assumed. this gate drive must be applied when using the full di/dt capability of the device. i gm i g t p1 4a/s the magnitude of i gm should be between five and ten times i gt , which is shown on page 2. its duration (t p1 ) should be 20s or sufficient to allow the anode current to reach ten times i l , whichever is greater. otherwise, an increase in pulse current could be needed to supply the necessary charge to trigger. the ?back-porch? current i g should remain flowing for the same duration as the anode current and have a magnitude in the order of 1.5 times i gt . 11.0 computer modelling parameters 11.1 device dissipation calculations t av t t t av r ff w r ff v v i ? ? ? ? ? + + ? = 2 2 2 0 0 2 4 and: k j th av t t t r t w ? = ? ? = max where v t0 =1.375v, r t =0.196m ?, r th = supplementary thermal impedance, see table below and ff = form factor, see table below. supplementary thermal impedance conduction angle 30 60 90 120 180 270 d.c. square wave double side cooled 0.00717 0.00707 0.00698 0.00689 0.00673 0.00652 0.0065 square wave single side cooled 0.0137 0.01359 0.01349 0.0134 0.01323 0.01301 0.013 sine wave double side cooled 0.00709 0.00697 0.00687 0.00678 0.00654 sine wave single side cooled 0.0136 0.01348 0.01337 0.01328 0.01303 form factors conduction angle 30 60 90 120 180 270 d.c. square wave 3.464 2.449 2 1.732 1.414 1.149 1 sine wave 3.98 2.778 2.22 1.879 1.57

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 5 of 11 november, 2004 11.2 calculating v t using abcd coefficients the on-state characteristic i t vs. v t , on page 6 is represented in two ways; (i) the well established v t0 and r t 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 1.2360916 a 1.8312616 b 0.1436956 b -0.1132993 c 2.12724710 -4 c 1.47086510 -4 d -0.02214526 d 7.04699710 -3 11.3 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. the coefficients for this device are shown in the tables below: d.c. double side cooled term1234 r p 3.42474510 -3 1.74527310 -3 8.53201710 -4 3.45732910 -4 p 1.125391 0.1878348 0.02788979 8.43088910 -3 d.c. single side cooled term1234 r p 8.37526910 -3 2.51843710 -3 1.19375810 -3 7.4543210 -4 p 8.929845 0.4711304 0.08221244 0.01221961

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 6 of 11 november, 2004 curves figure 1 - on-state characteristics of limit device figure 2 - transient thermal impedance 100 1000 10000 00.511.522.533.5 instantaneous on-state voltage - v tm (v) instantaneous on-state current - i tm (a) t j = 125c t j = 25c 0.000001 0.00001 0.0001 0.001 0.01 0.1 1e-05 0.0001 0.001 0.01 0.1 1 10 100 time (s) transient thermal impedance (k/w) dsc 0.0065k/w ssc 0.0130k/w figure 3 - gate characteristics - trigger limits figure 4 - gate characteristics - power curves 0 1 2 3 4 5 6 7 8 0 0.25 0.5 0.75 1 1.25 1.5 gate current - i g (a) gate voltage - v g (v) i gd , v gd i gt , v gt min v g dc max v g dc t j =25c 125c 25c -10c -40c 0 2 4 6 8 10 12 14 16 18 20 0246810 gate current - i g (a) gate voltage - v g (v) p g 5w dc p g max 50w dc min v g dc max v g dc t j =25c k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 7 of 11 november, 2004 figure 5 - total recovered charge, q rr figure 6 - recovered charge, q ra (50% chord) 1000 10000 100000 1 10 100 1000 di/dt (a/s) recovered charge - q rr (c) 4000a t j =125c 2000a 1000a 500a 1000 10000 100000 1 10 100 1000 di/dt (a/s) recovered charge - q ra , 50% chord (c) t j =125c 4000a 2000a 1000a 500a figure 7 - peak reverse recovery current, i rm figure 8 - maximum recovery time, t rr (50% chord) 10 100 1000 10000 1 10 100 1000 di/dt (a/s) reverse recovery current - i rm (a) 4000a 2000a 1000a 500a t j =125c 10 100 1 10 100 1000 di/dt (a/s) reverse recovery time (50% chord) - t rr (s) 4000a t j =125c 1000a 2000a 500a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 8 of 11 november, 2004 figure 9 ? on-state current vs. power dissipation ? double side cooled (sine wave) figure 10 ? on-state current vs. heatsink temperature - double side cooled (sine wave) 0 2000 4000 6000 8000 10000 12000 14000 16000 0 1000 2000 3000 4000 5000 mean forward current (a) (whole cycle averaged) maximum forward dissipation (w ) 30 60 90 120 180 0 25 50 75 100 125 150 0 1000 2000 3000 4000 5000 mean forward current (a) (whole cycle averaged) maximum permissable heatsink temperature (c) 30 60 90 120 180 figure 11 ? on-state current vs. power dissipation ? double side cooled (square wave) figure 12 ? on-state current vs. heatsink temperature ? double side cooled (square wave) 0 2000 4000 6000 8000 10000 12000 14000 16000 0 1000 2000 3000 4000 5000 6000 7000 mean forward current (amps) (whole cycle averaged) maximum forward dissipation (w ) d.c. 270 180 120 90 60 30 0 25 50 75 100 125 150 0 1000 2000 3000 4000 5000 6000 7000 mean forward current (amps) (whole cycle averaged) maximum permissible heatsink temperature (c ) 30 60 90 120 180 270 d.c. k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 9 of 11 november, 2004 figure 13 ? on-state current vs. power dissipation ? single side cooled (sine wave) figure 14 ? on-state current vs. heatsink temperature ? single side cooled (sine wave) 0 1000 2000 3000 4000 5000 6000 7000 8000 0 500 1000 1500 2000 2500 3000 mean forward current (a) (whole cycle averaged) maximum forward dissipation (w ) 30 60 90 120 180 0 25 50 75 100 125 150 0 500 1000 1500 2000 2500 3000 mean forward current (a) (whole cycle averaged) maximum permissable heatsink temperature (c ) 30 60 90 120 180 figure 15 ? on-state current vs. power dissipation ? single side cooled (square wave) figure 16 ? on-state current vs. heatsink temperature ? single side cooled (square wave) 0 1000 2000 3000 4000 5000 6000 7000 8000 0 1000 2000 3000 4000 mean forward current (amps) (whole cycle averaged) maximum forward dissipation (w ) d.c. 270 180 120 90 60 30 0 25 50 75 100 125 150 0 1000 2000 3000 4000 mean forward current (amps) (whole cycle averaged) maximum permissible heatsink temperature (c ) 30 60 90 120 180 270 d.c. k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 10 of 11 november, 2004 figure 17 ? square wave frequency ratings figure 18 ? sine wave frequency ratings 1.00e+01 1.00e+02 1.00e+03 1.00e+04 1.00e+05 1.00e-05 1.00e-04 1.00e-03 1.00e-02 di/dt (a/s) frequency (hz) di/dt=50a/s t k =55c 100% duty cycle 1500a 2000a 3000a 5000a 8000a 1.00e+01 1.00e+02 1.00e+03 1.00e+04 1.00e+05 1.00e-05 1.00e-04 1.00e-03 1.00e-02 di/dt (a/s) frequency (hz) t k =55c 100% duty cycle 1000a 1500a 2000a 3000a 5000a 8000a figure 19 ? maximum surge and i 2 t ratings 10000 100000 1000000 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 k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a k3503f#450-520 ad issue 1a

westcode westcode westcode westcode an ixys company medium voltage thyristor types k3503f#450 to k3503f#520 provisional data sheet. types k3503f#450 to k3503f#520 issue 1a page 11 of 11 november, 2004 outline drawing & ordering information ordering information (please quote 10 digit code as below) k3503 f ? ? ? ? ?? ?? ?? ?? 0 fixed type code outline code fc = standard capsule ft = rupture rated capsule voltage code v drm /100 45-52 fixed turn-off time code typical order code: K3503FT480 ? 4800v v drm , v rrm , 36.5mm clamp height, rupture rated capsule. westcode ixys semiconductor gmbh edisonstra?e 15 d-68623 lampertheim tel: +49 6206 503-0 fax: +49 6206 503-627 e-mail: marcom@ixys.de an ixys company westcode semiconductors ltd langley park way, langley park, chippenham, wiltshire, sn15 1ge. tel: +44 (0)1249 444524 fax: +44 (0)1249 659448 e-mail: wsl.sales@westcode,com ixys corporation 3540 bassett street santa clara ca 95054 usa tel: +1 (408) 982 0700 fax: +1 (408) 496 0670 e-mail: sales@ixys.net www.westc ode.com www.ixys.net westcode semiconductors inc 3270 cherry avenue long beach ca 90807 usa 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, 3-letter or letter/digit/letter combination) added to their generic code are not necessar ily subject to the conditions and limits contained in this report. ? westcode semiconductors ltd.

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