Ultrafast Recovery Rectifier DURB1640CT, 2x 8A, 400V, TO-263, Common Cathode RoHS Pb e3 DURB1640CT Description Littelfuse DUR series Ultrafast Recovery Rectifier is designed to meet the general requirements of commercial applications by providing low Trr, high-temperature, low- leakage and low forward voltage drop products. It is suit- able for output rectifier, free-wheeling or boost diode in high-frequency power switching application such as switch mode power supply and DC-DC converters. Features Ultra-f ast switching configuration in surface 2 mount TO-263 (D PAK) Low reverse leakage package current Pb-free E3 means 2nd High surge current level interconnect is Pb- capability free and the terminal finish L ow forward voltage drop material is tin(Sn) (IPC/ JEDEC J-STD-609A.01) Common cathode Circuit Diagram Applications Output rectifi ers in switch Uninter ruptible Power Base Common Cathode mode power supplies Supplies (UPS) (SMPS) and DC to DC 2 Inductiv e heating and converters melting Free-wheeling diode or Ultrasonic cleaners and boost diode in converters welders and motor control circuits Anti-parallel diode f or 1 3 high frequency switching Anode Anode devices such as IGBT Maximum Ratings Characteristics Symbol Conditions Max. Unit Peak Inverse Voltage V - 400 V RWM 8 (Per Leg) 50% duty cycle T =105 C, C Average Forward Current I A F(AV) rectangular wave form 16 ( Total Device) Peak One Cycle Non- Repetitive Surge Current 80 A I 8.3 ms, half sine pulse FSM (per leg) Electrical Characteristics Characteristics Symbol Conditions Max. Unit V 8A, Pulse, T = 25 C 1.3 V F1 J 1 Forward Voltage Drop ( Per Leg) V 8A, Pulse, T = 125 C 1.2 V F2 J 10 A I V = Rated V , T = 25 C R1 R R J Reverse Current 500 A I V = Rated V , T = 125 C R2 R R J Reverse Recovery Time t I =500mA, I =1A,and I =250mA 45 ns rr1 F R rm 1 Footnote : Pulse Width < 300s, Duty Cycle <2% 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/20/16 SP3051Ultrafast Recovery Rectifier DURB1640CT, 2x 8A, 400V, TO-263, Common Cathode Thermal-Mechanical Specifications Characteristics Symbol Conditions Specification Unit Junction Temperature -55 to +150 C T - J Storage Temperature T - -55 to +150 C stg Typical Thermal 5.0 C/W R DC operation JC Resistance Junction to Case Approximate Weight 1.41 g wt - 2 Case Style - - D PAK - Figure 1: T ypical Forward Characteristics Figure 2: T ypical Reverse Characteristics Figure 3: T ypical Junction Capacitance Part Numbering and Marking System DUR = Device Type B = Package type DURB1640CT 16 = Forward Current (16A) 40 = Reverse Voltage (400V) LF YYWWL CT = Configuration LF = Littelfuse YY = Year WW = Week L = Lot Number 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 01/20/16