Schottky Barrier Rectifier DSTB2045C, 2x10A, 45V, TO-263, Common Cathode RoHS Pb DSTB2045C 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 low V products. F It is suitable for high frequency switching mode power supply applications, as free-wheeling and polarity protection diodes. Features Ultra low forward voltage Guard ring f or enhanced Pin out drop ruggedness and long term reliability High frequency operation Heat sink Heat sink Common cathode High junction Common Common configuration in TO-263 Cathode Cathode temperature capability package Applications 1 3 1 2 3 1 2 3 Common Anod e Anode Anode Anode Common Anode Anode Cathode S witching mode power F ree-Wheeling diodes Cathode Pinout 1 supply Pinout 2 D2-PAK & D-PAK P olarity Protection Diodes TO-220AB Common Cathode DC/DC con verters Common Cathode Pinout 3 ITO-220AB Maximum Ratings Common Cathode Parameters Symbol Test Conditions Max Unit Heat sink Peak Inverse Voltage V - 45 V RWM Catho de 50% duty cycle T =80C 10 (per leg) C Average Forward Current I A Common F(AV) rectangular wave form Catho de Catho de 20 (total device) Anod e Peak One Cycle Non-Repetitive Surge 1 2 3 I 150 A Ca8.3 ms, half Sine pulsetho de Anode FSM Current (per leg) 1 2 Pinout 4 ITO-220AB Electrical Characteristics Pinout 5 Common Anode TO-220AC Parameters Symbol Test Conditions Max Unit V 10A, Pulse, T = 25 C <0.5 F1 J Forward Voltage Drop (per leg) * V V 10A, Pulse, T = 125 C 0.42 F2 J I V = rated V T = 25 C 0.003 - 0.018 R1 R R J Reverse Current (per leg) * mA I V = rated V T = 125 C 5.5 - 15 R2 R R J * Pulse Width < 300s, Duty Cycle <2% 2018 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/20/18Schottky Barrier Rectifier DSTB2045C, 2x10A, 45V, TO-263, 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 Typical Thermal Resistance R DC operation 3.0 C/W JC Junction to Case(per leg) Approximate Weight wt 1.85 g 2 Case Style D PAK (TO-263) Figure 1: Typical Forward Characteristics Figure 2: T ypical Reverse Characteristics C C C C Figure 3: Typical Junction Capacitance C 2018 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/20/18