MDD255-12N1 V = 2x1200 V RRM Standard Rectifier Module I = 270 A FAV V = 1.08 V F Phase leg Part number MDD255-12N1 Backside: isolated 2 1 3 Features / Advantages: Applications: Package: Y1 Package with DCB ceramic Diode for main rectification Isolation Voltage: V~ 3600 Improved temperature and power cycling For single and three phase Industry standard outline Planar passivated chips bridge configurations RoHS compliant Very low forward voltage drop Supplies for DC power equipment Height: 30 mm Very low leakage current Input rectifiers for PWM inverter Base plate: DCB ceramic Battery DC power supplies Reduced weight Field supply for DC motors Advanced power cycling Disclaimer Notice Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. IXYS reserves the right to change limits, conditions and dimensions. Data according to IEC 60747and per semiconductor unless otherwise specified 20191204j 2019 IXYS all rights reservedMDD255-12N1 Ratings Rectifier Symbol Definition Conditions min. typ. max. Unit T = 25C 1300 V V max. non-repetitive reverse blocking voltage RSM VJ T = 25C 1200 V V max. repetitive reverse blocking voltage RRM VJ reverse current I V = 1 2 0 0 V T = 25C 500 A R VJ R V = 1 2 0 0 V T = 1 5 0 C 20 mA R VJ forward voltage drop V I = 3 0 0 A T = 25C 1.19 V F F VJ I = 6 0 0 A 1.40 V F T = C 1.08 V I = 3 0 0 A 125 F VJ I = 6 0 0 A 1.35 V F average forward current T = 1 0 0 C T = 1 5 0 C 270 A I FAV C VJ RMS forward current I 180 sine 450 A F(RMS) V T = 1 5 0 C 0.80 V threshold voltage F0 VJ for power loss calculation only slope resistance r 0.6 m F thermal resistance junction to case 0.14 K/W R thJC thermal resistance case to heatsink 0.04 K/W R thCH P total power dissipation T = 25C 890 W tot C max. forward surge current t = 10 ms (50 Hz), sine T = 45C 9.80 kA I FSM VJ t = 8,3 ms (60 Hz), sine V = 0 V 10.6 kA R t = 10 ms (50 Hz), sine T = 1 5 0 C kA 8.33 VJ t = 8,3 ms (60 Hz), sine V = 0 V 9.00 kA R value for fusing It t = 10 ms (50 Hz), sine T = 45C 480.2 kAs VJ t = 8,3 ms (60 Hz), sine V = 0 V 466.1 kAs R t = 10 ms (50 Hz), sine T = 1 5 0 C 346.9 kAs VJ t = 8,3 ms (60 Hz), sine V = 0 V 336.6 kAs R V = 4 0 0 V f = 1 MHz T = 25C 381 pF C junction capacitance J R VJ IXYS reserves the right to change limits, conditions and dimensions. Data according to IEC 60747and per semiconductor unless otherwise specified 20191204j 2019 IXYS all rights reserved