Date: 23.05.2005 IXYS Data Sheet Issue: 2 Dual Diode Water Cooled Modules MD# 950 Absolute Maximum Ratings VRRM VDRM [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 VRRM VRSM Repetitive peak reverse voltage 1) Non-repetitive peak reverse voltage 1) OTHER RATINGS MAXIMUM LIMITS UNITS 1200-2200 V 1300-2300 V MAXIMUM LIMITS UNITS Maximum average forward current. Twater = 17°C, 4l/min 2), 3) 1129 A Maximum average forward current. Twater = 45°C, 4l/min 2), 3) 950 A IF(AV)M Maximum average forward current. Twater = 85°C, 4l/min 2), 3) 668 A IF(RMS) 2), 3) 1773 A 1427 A 21.8 kA IF(AV)M IF(AV)M IF(d.c.) ITSM Nominal RMS forward current. Twater = 17°C, 4l/min D.C. forward current. Twater = 17°C, 4l/min 3) Peak non-repetitive surge tp = 10 ms, VRM = 60%VRRM ITSM2 Peak non-repetitive surge tp = 10 ms, VRM ≤ 10 V 2 2 I t capacity for fusing tp = 10 ms, VRM = 60%VRRM It 2 I t capacity for fusing tp = 10 ms, VRM ≤ 10 V Visol Isolation Voltage Tvj op Tstg It 2 4) 4) 4) 5) 4) 24.0 kA 2.38×10 6 As 2 2.88×10 6 As 2 3500 V Operating temperature range -40 to +150 °C Storage temperature range -40 to +125 °C Notes: 1) 2) 3) 4) 5) De-rating factor of 0.13% per °C is applicable for TVj below 25°C. Single phase; 50 Hz, 180° half-sinewave. Current ratings do not include adjustments, which may be necessary due to heat being returned by cable connections. Half-sinewave, 150°C TVj initial. AC RMS voltage, 50 Hz, 1min test. Data Sheet. MD#950-12N1W to 22N1W Issue 2 Page 1 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W Characteristics PARAMETER MIN. TYP. MAX. TEST CONDITIONS 1) UNITS VFM Maximum peak forward voltage - - 1.35 IFM = 2850 A V VFM Maximum peak forward voltage - - 0.88 IFM = 500 A V VT0 Threshold voltage - - 0.75 V rT Slope resistance - - 0.2 mΩ IRRM Peak reverse current - - 50 Qrr Recovered Charge - 1800 - Qra Recovered Charge, 50% chord - 1500 1750 Irm Reverse recovery current - 165 - trr Reverse recovery time, 50% chord - 18 - - - 0.09 4.25 - 5.75 RthJW Thermal resistance, junction to water F1 Mounting force (to heatsink) F2 Mounting force (to terminals) Wt Weight 10.2 - 13.8 - 1.2 - Rated VRRM mA µC IFM = 1000 A, tp = 1 ms, di/dt = 10 A/µs, Vr = 50 V µC A µs Single Diode K/W Nm 2) Nm kg Notes: 1) Unless otherwise indicated Tvj = 150°C 2) Screws must be lubricated Data Sheet. MD#950-12N1W to 22N1W Issue 2 Page 2 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W Notes on Ratings and Characteristics 1.0 Voltage Grade Table VRRM V 1200 1400 1600 1800 2000 2200 Voltage Grade 12 14 16 18 20 22 VRSM V 1300 1500 1700 1900 2100 2300 VR DC V 820 930 1040 1150 1260 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 Tj below 25°C. 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 2 I AV = WAV = 2 − VT 0 + VT 0 + 4 ⋅ ff ⋅ rT ⋅WAV 2 ⋅ ff 2 ⋅ rT and: ∆T Rth ∆T = T j max − TK Where VT0=0.75V, rT=0.2mΩ, Rth = 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 Data Sheet. MD#950-12N1W to 22N1W Issue 2 Page 3 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W 5.2 Calculating VF using ABCD Coefficients The on-state characteristic IF vs. VF, on page 6 is represented in two ways; (i) the well established VT0 and rT tangent used for rating purposes and (ii) a set of constants A, B, C, D, forming the coefficients of the representative equation for VF in terms of IF given below: VF = A + B ⋅ ln (I F ) + C ⋅ I F + D ⋅ I F The constants, derived by curve fitting software, are given below for both hot and cold characteristics. The resulting values for VF agree with the true device characteristic over a current range, which is limited to that plotted. 25°C Coefficients 150°C Coefficients A 0.46164273 A 0.435837127 B 0.1048225 B 0.06435749 C 1.84243×10 D -2.353947×10 -4 C 1.6116×10 D -7.48063×10 Data Sheet. MD#950-12N1W to 22N1W Issue 2 -3 Page 4 of 9 -4 -3 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W 5.3 D.C. Thermal Impedance Calculation −t τ rt = ∑ rp ⋅ 1 − e p p =1 p=n Where p = 1 to n, n is the number of terms in the series and: t = Duration of heating pulse in seconds. rt = Thermal resistance at time t. rp = Amplitude of pth term. τp = Time Constant of rth term. The coefficients for this device are shown in the tables below: D.C. Term 1 3 2 -3 4 -3 5 -3 2.16406×10 -3 6.07258×10 rp 0.07972 3.64310×10 4.87795×10 1.91134×10 τp 4.46119 0.71394 0.06312 5.07740×10 -3 -3 6.0 Reverse recovery ratings (i) Qra is based on 50% IRM chord as shown in Fig. 1 Fig. 1 (ii) Qrr is based on a 150 µs integration time i.e. 150 µs Qrr = ∫i rr .dt 0 (iii) K Factor = Data Sheet. MD#950-12N1W to 22N1W Issue 2 t1 t2 Page 5 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W Curves Figure 1 - Forward characteristics of Limit device 10000 Figure 2 - Transient thermal impedance 0.1 MD#950-12N1W to 22N1W Issue 2 MD#950-12N1W to 22N1W Issue 2 Single Diode Tj = 150°C Tj = 25°C Thermal impedance (K/W) Instantaneous Forward current - IFM (A) 0.01 1000 0.001 0.0001 100 0 0.5 1 1.5 0.00001 0.00001 0.0001 2 Instantaneous Forward voltage - VFM (V) 0.001 0.01 0.1 1 10 100 Time (s) Figure 3 – Average forward current and Power loss Vs. Inlet water temperature 10000 MD#950-12N1W to 22N1W Issue 2 Power Loss 1000 1000 Average Current 100 Total Power Loss (W) Forward current, IF(AV)M (A) 10000 100 0 10 20 30 40 50 60 70 80 90 Inlet water temperature, Twater (°C) Data Sheet. MD#950-12N1W to 22N1W Issue 2 Page 6 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W Figure 4 - Total recovered charge, Qrr 10000 Figure 5 - Recovered charge, Qra (50% chord) 10000 MD#950-12N1W to 22N1W MD#950-12N1W to 22N1W Issue 2 Tj=150°C Tj=150°C 2000A Recovered charge - Qra, 50% chord (µC) 1500A Recovered charge - Qrr (µC) 1000A 500A 1000 2000A 1500A 1000A 500A 1000 1 10 100 1000 1 10 di/dt (A/µs) Figure 6 - Peak reverse recovery current, Irm MD#950-12N1W to 22N1W Issue 2 Tj=150°C MD#950-12N1W to 22N1W Reverse recovery time - trr, (50% chord) - (µs) Tj=150°C Reverse recovery current - Irm (A) 1000 Figure 7 - Maximum recovery time, trr (50% chord) 100 10000 100 di/dt (A/µs) 2000A 1500A 1000A 500A 1000 10 2000A 1500A 1000A 500A 1 100 1 10 100 1 1000 Data Sheet. MD#950-12N1W to 22N1W Issue 2 10 100 1000 di/dt (A/µs) di/dt (A/µs) Page 7 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W Figure 9 – Forward current vs. Water temperature Figure 8 – Forward current vs. Power dissipation 1600 160 MD#950-12N1W to 22N1W Issue 2 1400 140 1200 6ø 3ø ½ wave d.c. Maximum permissible water temperature (°C) Maximum Forward Dissipation (W) MD#950-12N1W to 22N1W Issue 2 1000 800 600 400 120 6ø 3ø ½ wave d.c. 100 80 60 40 200 20 0 0 500 1000 0 1500 0 Mean Forward Current (A) (Whole cycle averaged) 500 1000 1500 Mean forward current (A) (Whole cycle averaged) Figure 10 - Maximum surge Rating 100000 MD#950-12N1W to 22N1W Issue 2 1.00E+08 I2t: VRRM ≤10V 2 Maximum I t (A s) I2t: 60% VRRM 10000 ITSM: VRRM ≤10V 2 Total peak half sine surge current (A) Tj (initial) = 150°C 1.00E+07 ITSM: 60% VRRM 1000 1 3 5 10 Duration of surge (ms) Data Sheet. MD#950-12N1W to 22N1W Issue 2 1 5 10 50 100 1.00E+06 Duration of surge (cycles @ 50Hz) Page 8 of 9 May, 2005 IXYS Dual Diode Module Types MD#950-12N1W to MD#950-22N1W Outline Drawing & Ordering Information 3 1 2 3 1 2 3 1 2 MDD MDA MDK ORDERING INFORMATION (Please quote 11 digit code as below) M D# 950 N 1 W Fixed Type Code Configuration code DD, DA, DK Average Current Rating Voltage code VDRM/100 12-22 Standard diode Fixed Version Code Water cooled base Order code: MDD950-14N1W– MDD configuration, 1400V VDRM, VRRM, water cooled base IXYS IXYS Semiconductor GmbH Edisonstraße 15 D-68623 Lampertheim Tel: +49 6206 503-0 Fax: +49 6206 503-627 E-mail: [email protected] Westcode Semiconductors Ltd Langley Park Way, Langley Park, Chippenham, Wiltshire, SN15 1GE. Tel: +44 (0)1249 444524 Fax: +44 (0)1249 659448 E-mail: [email protected],com www.ixys.com WESTCODE An IXYS Company IXYS Corporation 3540 Bassett Street Santa Clara CA 95054 USA Tel: +1 (408) 982 0700 Fax: +1 (408) 496 0670 E-mail: [email protected] Westcode Semiconductors Inc 3270 Cherry Avenue Long Beach CA 90807 USA Tel: +1 (562) 595 6971 Fax: +1 (562) 595 8182 E-mail: [email protected] www.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 IXYS Semiconductors GmbH. © IXYS Semiconductor GmbH. In the interest of product improvement, IXYS reserves the right to change specifications at any time without prior notice. Data Sheet. MD#950-12N1W to 22N1W Issue 2 Page 9 of 9 May, 2005

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