SKS 425N B6U 285 V16 SU Electrical Characteristics Symbol Conditions min Electrical Data TAMBIENT = 45°C ; No overload ID Maximum DC current VAC Maximum AC voltage (+/-10%) VBUS DC Bus voltage Maximum stack power PTOTAL Stack power loss (TAMBIENT = 45°C) PLOSS Environnmental Data Symbol Diode Stud stack Conditions typ max 425 500 670 285 min Mechanical Data SEMIKRON document number.revision.version Drawing Approximate total weight Weight Installation altitude without derating Altitude IEC 60529 Protection Pollution degree EN 50178 Unit A VAC VDC kW W typ max 11092016.00.B 14.7 1 000 IP00 2 Unit kg m - SEMISTACK® CLASSICS - B6U Three phase uncontrolled rectifier Stack Protection Symbol Preliminary Data RC Circuit Ordering No. Description 08785115 SKS 425N B6U 285 V16 SU Features Type R C Conditions min RC in parallel with bridge rectifier Resistance (11W) typ max Unit 1/2 RC15B 68 0.1 Ohm µF 30 400 A V kA²s Fuses Size IN RMS UN • Non-isolated power stacks • SKN 240/16 • Heatsink P1/150 • Natural cooling • RC circuit included • Fuses with microswitches I²t 1 fuse per phase, with microswitches Caliber Nominal voltage (IEC) Total at Un at room temperature (approx. 20…25°C ) 690 126 Typical Applications • Power supplies • Rectifier for AC/DC motor control Remarks This technical information specifies semiconductor devices but promises no characteristics. No warranty or guarantee, expressed or implied, is made regarding delivery, performance or suitability. B6U © by SEMIKRON Rev. 1 - 06.08.2015 1 SKS 425N B6U 285 V16 SU TAMBIENT = 45°C ; No overload Stack power loss (TAMBIENT = 45°C) Dimensions This technical information specifies semiconductor devices but promises no characteristics. No warranty or guarantee expressed or implied is made regarding delivery, performance or suitability. © by SEMIKRON Rev. 1 - 06.08.2015 2