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data sheet. types m1858nc120 to M1858NC160 issue 1 page 1 of 11 march, 2004 westcode an ixys company date:- 11 mar, 2004 data sheet issue:- 1 soft recovery diode type m1858nc120 to M1858NC160 old type no.: sm02-12cxc514 absolute maximum ratings voltage ratings maximum limits units v rrm repetitive peak reverse voltage, (note 1) 1200-1600 v v rsm non-repetitive peak reverse voltage, (note 1) 1300-1700 v other ratings maximum limits units i f(av)m maximum average forward current, t sink =55c, (note 2) 1858 a i f(av)m maximum average forward current. t sink =100c, (note 2) 820 a i f(av)m maximum average forward. t sink =100c, (note 3) 448 a i f(rms) nominal rms forward current, t sink =25c, (note 2) 3787 a i f(d.c.) d.c. forward current, t sink =25c, (note 4) 3011 a i fsm peak non-repetitive surge t p =10ms, v rm =60%v rrm , (note 5) 25.0 ka i fsm2 peak non-repetitive surge t p =10ms, v rm 10v, (note 5) 28.0 ka i 2 ti 2 t capacity for fusing t p =10ms, v rm =60%v rrm , (note 5) 3.2510 6 a 2 s i 2 t i 2 t capacity for fusing t p =10ms, v rm 10v, (note 5) 3.9210 6 a 2 s 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.
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 2 of 11 march, 2004 characteristics parameter min. typ. max. test conditions (note 1) units --1.7i fm =4500a v fm maximum peak forward voltage --1.6i fm =3720a v v t0 threshold voltage - - 1.127 v r t slope resistance - - 0.127 m ? - - 10 di/dt = 1000a/s, t j =25c v frm maximum forward recovery voltage - - 14 di/dt = 1000a/s v - - 20 rated v rrm , t j =25c i rrm peak reverse current - - 100 rated v rrm ma q rr recovered charge - 120 - c q ra recovered charge, 50% chord - 50 70 c i rm reverse recovery current - 40 - a t rr reverse recovery time, 50% chord - 2.5 - i fm =1000a, t p =1000s, di/dt=60a/s, v r =50v, 50% chord. s - - 0.022 double side cooled r thjk thermal resistance, junction to heatsink - - 0.044 single side cooled k/w f mounting force 19 - 26 kn w t weight - 510 - g notes:- 1) unless otherwise indicated t j =125c. 2) for other clamp forces, please consult factory.
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 3 of 11 march, 2004 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 810 14 1400 1500 930 16 1600 1700 1050 2.0 de-rating factor a blocking voltage de-rating factor of 0.13% per c is applicable to this device for t j below 25c. 3.0 abcd constants these constants (applicable only over current range of v f characteristic in figure 1) are the coefficients of the expression for the forward characteristic given below: f f f f i d i c i b a v ? + ? + ? + = ) ln( where i f = instantaneous forward current. 4.0 reverse recovery ratings (i) q ra is based on 50% i rm chord as shown in fig.(a) below. (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 =
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 4 of 11 march, 2004 [] thjk max j sink r f k e t t ? + ? ? = ) ( 5.0 reverse recovery loss the following procedure is recommended for use where it is necessary to include reverse recovery loss. from waveforms of recovery current obtained from a high frequency shunt (see note 1) and reverse voltage present during recovery, an instantaneous reverse recovery loss waveform must be constructed. let the area under this waveform be e joules per pulse. a new sink temperature can then be evaluated from: where k = 0.2314 (c/w)/s e = area under reverse loss waveform per pulse in joules (w.s.) f = rated frequency in hz at the original sink temperature. r thjk = d.c. thermal resistance (c/w) the total dissipation is now given by: f e w w original tot ? + = ) ( ) ( note 1 - reverse recovery loss by measurement this device has a low reverse recovered charge and peak reverse recovery current. when measuring the charge, care must be taken to ensure that: (a) ac coupled devices such as current transformers are not affected by prior passage of high amplitude forward current. (b) a suitable, polarised, clipping circuit must be connected to the input of the measuring oscilloscope to avoid overloading the internal amplifiers by the relatively high amplitude forward current signal. (c) measurement of reverse recovery waveform should be carried out with an appropriate critically damped snubber, connected across diode anode to cathode. the formula used for the calculation of this snubber is shown below: dt di s r c v r ? ? = 4 2 where: v r = commutating source voltage c s = snubber capacitance r = snubber resistance 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.
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 5 of 11 march, 2004 7.0 computer modelling parameters 7.1 device dissipation calculations t av t t t av r ff w r ff v v i ? ? ? ? ? + + ? = 2 2 0 0 2 4 where v t0 =1.127v, r t = 0.127m ? ff = form factor (normally unity for fast diode applications) k max j th av t t t r t w ? = ? ? = ) ( 7.2 calculation of v f using abcd coefficients the forward 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 ( ( i i i i ) ) a set of constants a, b, c, and 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 in this report 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 125c coefficients a 0.61885059 0.29953373 b 0.04557522 0.0634842 c 4.314610 -5 3.4742910 -5 d 8.1038310 -3 0.01058562 8.0 frequency ratings the curves illustrated in figures 8 to 16 are for guidance only and are superseded by the maximum ratings shown on page 1. 9.0 square wave ratings these ratings are given for load component rate of rise of forward current of 100 and 500 a/s. 10.0 duty cycle lines the 100% duty cycle is represented on all the ratings by a straight line. other duties can be included as parallel to the first.
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 6 of 11 march, 2004 curves figure 1 ? forward characteristics of limit device figure 2 ? maximum forward recovery voltage 100 1000 10000 0.511.522.5 maximum instantaneous forward voltage - v fm (v) instantaneous forward current - i fm (a) 125c 25c 1 10 100 100 1000 10000 rate of rise of forward current - di/dt (a/s) maximum forward recovery voltage - v frm (v) 125c 25c figure 3 - recovered charge, q rr figure 4 - recovered charge, q ra (50% chord) 10 100 1000 1 10 100 1000 commutation rate - di/dt (a/s) total recovered charge - q rr (c) t j = 125c 500a 2000a 1500a 1000a 1 10 100 1000 1 10 100 1000 commutation rate - di/dt (a/s) recovered charge - q ra (c) t j = 125c 2000a 1500a 1000a 500a m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 7 of 11 march, 2004 figure 5 - maximum reverse current, i rm figure 6 - maximum recovery time, t rr (50% chord) 1 10 100 1000 1 10 100 1000 commutation rate - di/dt (a/s) reverse recovery current - i rm (a) 2000a 1500a 1000a 500a t j = 125c 1 10 1 10 100 1000 commutation rate - di/dt (a/s) recovery time - t rr (s) t j = 125c 2000a 1500a 1000a 500a figure 7 ? reverse recovery energy per pulse figure 8 - sine wave energy per pulse 0.01 0.1 1 1 10 100 1000 commmutation rate - di/dt (a/s) energy per pulse - e r (j) t j = 125c v r =400v no snubber 5000a 2000a 1000a 500a 1.00e-02 1.00e-01 1.00e+00 1.00e+01 1.00e+02 1.00e+03 1.00e-05 1.00e-04 1.00e-03 1.00e-02 pulse width (s) energy per pulse (j) t j = 125c 10000a 8000a 6000a 4000a 2000a m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 8 of 11 march, 2004 figure 9 - sine wave frequency vs. pulse width figure 10 - sine wave frequency vs. pulse width 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 pulse width (s) frequency (hz) 100% duty cycle 10ka 8ka t k = 55c 6ka 4ka 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 pulse width (s) frequency (hz) 4ka 10ka 6ka 100% duty cycle t k = 85c 8ka 2ka figure 11 - square wave energy per pulse figure 12 - square wave energy per pulse 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 pulse width (s) frequency (hz) 100% duty cycle 8ka 6ka t k =55c di/dt =100a/s 4ka 10ka 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 pulse width (s) frequency (hz) 100% duty cycle 4ka 10ka di/dt =500a/s t k = 55c 6ka 8ka m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 9 of 11 march, 2004 figure 13 - square wave frequency vs. pulse width figure 14 - square wave frequency vs. pulse width 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 pulse width (s) frequency (hz) 4ka 10ka 2ka 6ka 8ka 100% duty cycle di/dt =100a/s t k = 85c 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 pulse width (s) frequency (hz) 2ka 6ka 8ka 100% duty cycle di/dt =500a/s t k = 85c 4ka 10ka figure 15 - square wave frequency vs. pulse width figure 16 - square wave frequency vs. pulse width 1.00e-02 1.00e-01 1.00e+00 1.00e+01 1.00e+02 1.00e+03 1.00e-05 1.00e-04 1.00e-03 1.00e-02 pulse width (s) energy per pulse (j) 2ka 10ka 8ka di/dt =100a/s t j = 125c 6ka 4ka 1.00e-02 1.00e-01 1.00e+00 1.00e+01 1.00e+02 1.00e+03 1.00e-05 1.00e-04 1.00e-03 1.00e-02 pulse width (s) energy per pulse (j) 10ka 8ka 6ka 4ka 2ka di/dt =500a/s t j = 125c m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1 m1858nc120-160 issue 1
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 10 of 11 march, 2004 figure 17 ? maximum surge and i 2 t ratings 1000 10000 100000 total peak half sine surge current - i fsm (a) 1.00e+06 1.00e+07 1.00e+08 maximum i 2 t (a 2 s) 1 35101 510 50100 duration of surge (ms) duration of surge (cycles @ 50hz) i 2 t: v rrm 10v t j (initial) = 125c i fsm : v rrm 10v i fsm : v r =60% v rrm i 2 t: v r =60% v rrm figure 18 ? transient thermal impedance 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 0.044k/w dsc 0.022k/w m1858nc120-160 issue 1 m1858nc120-160 issue 1
westcode westcode westcode westcode an ixys company fast recovery diode types m1858nc120 to M1858NC160 data sheet. types m1858nc120 to M1858NC160 issue 1 page 11 of 11 march, 2004 outline drawing & ordering information ordering information (please quote 10 digit code as below) m1858 nc 0 fixed type code fixed outline code voltage code v drm /100 12-16 fixed code order code: M1858NC160 ? 1600v v rrm , 27.7mm clamp height 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.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 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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