Schottky Barrier Rectifier DSTF40150C, 2x20A, 150V, ITO-220AB, Common Cathode RoHS Pb DSTF40150C Description Littelfuse DST series Ultra Low V Schottky Barrier F Rectifier is designed to meet the general requirements of commercial and industry applications by providing high temperature, low leakage and lower V products. F It is suitable for high frequency switching mode power supply, free-wheeling diodes and polarity protection diodes. Features Ultra low forward voltage Guard ring f or enhanced drop ruggedness and long Pin out term reliability High frequency operation Heat sink Heat sink Common Common Common cathode High junction Cathode Cathode configuration in ITO- temperature capability 220AB package Applications 1 3 1 2 3 1 3 2 Common Anod e Anode Anode Anode Common S witching mode power Free-Wheeling diodes Anode Anode Cathode Cathode Pinout 1 supply P olarity Protection Diodes Pinout 2 D2-PAK & D-PAK TO-220AB DC/DC con verters Common Cathode Common Cathode Pinout 3 Maximum Ratings ITO-220AB Common Cathode Parameters Symbol Test Conditions Max Unit Heat sink Peak Inverse Voltage V - 150 V RWM Catho de 50% duty cycle T =70C 20 (per leg) C Average Forward Current I A F(AV) rectangular wave form 40 (total device) Common Catho de Catho de Anod e Peak One Cycle Non-Repetitive Surge I 250 A 8.3 ms, half Sine pulse FSM Current (per leg) 1 2 3 Catho de Anode 1 2 Pinout 4 Electrical Characteristics ITO-220AB Pinout 5 Common Anode TO-220AC Parameters Symbol Test Conditions Typ Max Unit 5A, Pulse, T = 25 C 0.65 - J V 10A, Pulse, T = 25 C 0.84 - F1 J 20A, Pulse, T = 25 C 1.26 1.43 J Forward Voltage Drop (per leg) * V 5A, Pulse, T = 125 C 0.54 - J V 10A, Pulse, T = 125 C 0.65 - F2 J 120A, Pulse, T = 125 C 0.78 0.82 J I V = rated V T = 25 C 0.007 0.25 R1 R R J Reverse Current (per leg) * mA I V = rated V T = 125 C 3 25 R2 R R J Junction Capacitance (per leg) C V = 5V, T = 25 C, f = 1MHz 835 - pF T R C SIG Clip mounting, the epoxy body away from the heatsink edge by more than 0.110 along the - 4500 lead direction. RSM Isolation Voltage (t = 1.0 second, R. H. < =30%, V Clip mounting, the epoxy body is inside the V ISO - 3500 T = 25 C) heatsink. A Screw mounting, the epoxy body is inside - 1500 the heatsink. * Pulse Width < 300s, Duty Cycle <2% 2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16Schottky Barrier Rectifier DSTF40150C, 2x20A, 150V, ITO-220AB, Common Cathode Thermal-Mechanical Specifications Parameters Symbol Test Conditions Max Unit Junction Temperature T -55 to +150 C J Storage Temperature T -55 to +150 C stg Thermal Resistance Junction to R DC operation 4.0 C/W thJC Case (per leg) Approximate Weight wt 2 g Case Style ITO-220AB Figure 1: Typical Forward Characteristics Figure 2: T ypical Reverse Characteristics C C C C Figure 3: Typical Junction Capacitance C 2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16