Ultrafast Recovery Rectifier DURF2040CT, 2x 10A, 400V, ITO-220AB, Common Cathode RoHS Pb e3 DURF2040CT 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 electrically isolated ITO-220AB L ow reverse leakage package current Pb-free E3 means 2nd High surge cur rent 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 Applications Circuit Diagram Output rectifi ers in switc h Uninter ruptible Power Base Common mode power supplies Supplies (UPS) Cathode (SMPS) and DC to DC Inductive heating and converters melting Free-wheeling diode or Ultrasonic cleaners and boost diode in converters welders and motor control circuits 12 3 Anode Anode Anti-parallel diode f or high frequency switching devices such as IGBT Maximum Ratings Characteristics Symbol Conditions Max. Unit Peak Inverse Voltage V - 400 V RWM 10 ( Per Leg) 50% duty cycle T =100 C, C Average Forward Current I A F(AV) rectangular wave form 20( Total Device) Peak One Cycle Non- I 8.3 ms, half sine pulse 125 A FSM Repetitive Surge Current ( Per Leg) Electrical Characteristics Characteristics Symbol Conditions Max. Unit V 10A, Pulse, T = 25 C 1.3 V F1 J 1 Forward Voltage Drop V 10A, Pulse, T = 125 C 1.2 V F2 J 10 A I V = Rated V , T = 25 C 1 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: 12/22/15 SP3051Ultrafast Recovery Rectifier DURF2040CT, 2x 10A, 400V, ITO-220AB, 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 2.0 g wt - Case Style - - ITO-220AB - Figure 1: Typical Forward Characteristics Figure 2: Typical Reverse Characteristics Figure 3: Typical Junction Capacitance Part Numbering and Marking System *xxxxx is YYWWL DUR = Device Type F = Package type 20 = Forward Current (20A) DURF2040CT 40 = Reverse Voltage (400V) CT = Configuration LF xxxxx LF = Littelfuse YY = Year WW = Week L = Lot Number 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/22/15