data sheet. md#950-12n1w to 22n1w issue 2 page 1 of 9 may, 2005 ixys date: 23.05.2005 data sheet issue: 2 dual diode water cooled modules md # 950 absolute maximum ratings v rrm v drm [v] mdd mda mdk 1200 950-12n1w 950-12n1w 950-12n1w 1400 950-14n1w 950-14n1w 950-14n1w 1600 950-16n1w 950-16n1w 950-16n1w 1800 950-18n1w 950-18n1w 950-18n1w 2000 950-20n1w 950-20n1w 950-20n1w 2200 950-22n1w 950-22n1w 950-22n1w voltage ratings maximum limits units v rrm repetitive peak reverse voltage 1) 1200-2200 v v rsm non-repetitive peak reverse voltage 1) 1300-2300 v other ratings maximum limits units i f(av)m maximum average forward current. t water = 17c, 4l/min 2), 3) 1129 a i f(av)m maximum average forward current. t water = 45c, 4l/min 2), 3) 950 a i f(av)m maximum average forward current. t water = 85c, 4l/min 2), 3) 668 a i f(rms) nominal rms forward current. t water = 17c, 4l/min 2), 3) 1773 a i f(d.c.) d.c. forward current. t water = 17c, 4l/min 3) 1427 a i tsm peak non-repetitive surge t p = 10 ms, v rm = 60%v rrm 4) 21.8 ka i tsm2 peak non-repetitive surge t p = 10 ms, v rm 10 v 4) 24.0 ka i 2 ti 2 t capacity for fusing t p = 10 ms, v rm = 60%v rrm 4) 2.3810 6 a 2 s i 2 t i 2 t capacity for fusing t p = 10 ms, v rm 10 v 4) 2.8810 6 a 2 s v isol isolation voltage 5) 3500 v t vj op operating temperature range -40 to +150 c t stg storage temperature range -40 to +125 c notes: 1) de-rating factor of 0.13% per c is applicable for t vj below 25c. 2) single phase; 50 hz, 180 half-sinewave. 3) current ratings do not include adjustments, which may be necessary due to heat being returned by cable connections. 4) half-sinewave, 150c t vj initial. 5) ac rms voltage, 50 hz, 1min test.
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 2 of 9 may, 2005 characteristics parameter min. typ. max. test conditions 1) units v fm maximum peak forward voltage - - 1.35 i fm = 2850 a v v fm maximum peak forward voltage - - 0.88 i fm = 500 a v v t0 threshold voltage - - 0.75 v r t slope resistance - - 0.2 m ? i rrm peak reverse current - - 50 rated v rrm ma q rr recovered charge - 1800 - c q ra recovered charge, 50% chord - 1500 1750 c i rm reverse recovery current - 165 - a t rr reverse recovery time, 50% chord - 18 - i fm = 1000 a, t p = 1 ms, di/dt = 10 a/s, v r = 50 v s r thjw thermal resistance, junction to water - - 0.09 single diode k/w f 1 mounting force (to heatsink) 4.25 - 5.75 nm f 2 mounting force (to terminals) 10.2 - 13.8 2) nm w t weight - 1.2 - kg notes: 1) unless otherwise indicated t vj = 150c 2) screws must be lubricated
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 3 of 9 may, 2005 notes on ratings and characteristics 1.0 voltage grade table voltage grade v rrm v v rsm v v r dc v 12 1200 1300 820 14 1400 1500 930 16 1600 1700 1040 18 1800 1900 1150 20 2000 2100 1260 22 2200 2300 1370 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 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. 5.0 computer modelling parameters 5.1 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 =0.75v, r t =0.2m ?, 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 0.0976 0.0955 0.0942 0.0933 0.0920 0.0907 0.090 sine wave 0.0950 0.0933 0.0924 0.0917 0.0902 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
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 4 of 9 may, 2005 5.2 calculating v f using abcd coefficients the on-state characteristic i f vs. v f , 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 f in terms of i f given below: () f f f f 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 f agree with the true device characteristic over a current range, which is limited to that plotted. 25c coefficients 150c coefficients a 0.46164273 a 0.435837127 b 0.1048225 b 0.06435749 c 1.611610 -4 c 1.8424310 -4 d -7.4806310 -3 d -2.35394710 -3
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 5 of 9 may, 2005 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. the coefficients for this device are shown in the tables below: d.c. term 12 3 45 r p 0.07972 3.6431010 -3 4.8779510 -3 1.9113410 -3 2.1640610 -3 p 4.46119 0.71394 0.06312 5.0774010 -3 6.0725810 -3 6.0 reverse recovery ratings (i) q ra is based on 50% i rm chord as shown in fig. 1 fig. 1 (ii) q rr is based on a 150 s integration time i.e. = s rr rr dt i q 150 0 . (iii) 2 1 t t factor k =
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 6 of 9 may, 2005 curves figure 1 - forward characteristics of limit device figure 2 - transient thermal impedance 100 1000 10000 00.511.52 instantaneous forward voltage - v fm (v) instantaneous forward current - i fm (a) t j = 150c t j = 25c 0.00001 0.0001 0.001 0.01 0.1 0.00001 0.0001 0.001 0.01 0.1 1 10 100 time (s) thermal impedance (k/w) single diode figure 3 ? average forward current and power loss vs. inlet water temperature 100 1000 10000 0 102030405060708090 inlet water temperature, t water (c) forward current, i f(av)m (a) 100 1000 10000 total power loss (w) power loss average current md#950-12n1w to 22n1w issue 2 md#950-12n1w to 22n1w issue 2 md#950-12n1w to 22n1w issue 2
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 7 of 9 may, 2005 figure 4 - total recovered charge, q rr figure 5 - recovered charge, q ra (50% chord) 1000 10000 1 10 100 1000 di/dt (a/s) recovered charge - q rr (c) t j =150c 1500a 2000a 1000a 500a 1000 10000 1 10 100 1000 di/dt (a/s) recovered charge - q ra , 50% chord (c) 500a t j =150c 1000a 2000a 1500a figure 6 - peak reverse recovery current, i rm figure 7 - maximum recovery time, t rr (50% chord) 100 1000 10000 1 10 100 1000 di/dt (a/s) reverse recovery current - i rm (a) 2000a 1500a 1000a 500a t j =150c 1 10 100 1 10 100 1000 di/dt (a/s) reverse recovery time - t rr , (50% chord) - (s) 2000a 1500a 1000a 500a t j =150c md#950-12n1w to 22n1w md#950-12n1w to 22n1w issue 2 md#950-12n1w to 22n1w md#950-12n1w to 22n1w issue 2
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 8 of 9 may, 2005 figure 8 ? forward current vs. power dissipation figure 9 ? forward current vs. water temperature 0 200 400 600 800 1000 1200 1400 1600 0 500 1000 1500 mean forward current (a) (whole cycle averaged) maximum forward dissipation (w) 6? 3? ? wave d.c. 0 20 40 60 80 100 120 140 160 0 500 1000 1500 mean forward current (a) (whole cycle averaged) maximum permissible water temperature (c) 6? 3? ? wave d.c. figure 10 - maximum surge rating 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) = 150c md#950-12n1w to 22n1w issue 2 md#950-12n1w to 22n1w issue 2 md#950-12n1w to 22n1w issue 2
ixys dual diode module types md#950-12n1w to md#950-22n1w data sheet. md#950-12n1w to 22n1w issue 2 page 9 of 9 may, 2005 outline drawing & ordering information ordering information (please quote 11 digit code as below) m d# 950 n1w fixed type code configuration code dd, da, dk average current rating voltage code v drm /100 12-22 standard diode fixed version code water cooled base order code: mdd950-14n1w? mdd configuration, 1400v v drm , v rrm , water cooled base ixys ixys semiconductor gmbh edisonstra?e 15 d-68623 lampertheim tel: +49 6206 503-0 fax: +49 6206 503-627 e-mail: marcom@ixys.de www.ixys.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 westcode 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 www.westc ode.com 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 i xys semic onductors gmbh. in the interest of product improvement, i xys reserves the right to c hange specifications at any time without prior notice. ? ixys semic onductor gmbh. 31 2 mdd 31 2 mdk 31 2 mda
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