Schottky Barrier Rectifier DST2045AX, 20A, 45V, Axial, Single RoHS Pb DST2045AX 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 Pin out Ultra low forward voltage Guard ring for enhanced drop ruggedness and long term reliability Anode High frequency operation Single die in P600 High junction package temperature capability Cathode Applications Switching mode power Free-Wheeling diodes supply Polarity Protection Diodes DC/DC converters Maximum Ratings Parameters Symbol Test Conditions Max Unit Peak Inverse Voltage V - 45 V RWM 50% duty cycle T =25C A Average Forward Current (per device) I 20 A F(AV) rectangular wave form Peak One Cycle Non-Repetitive Surge I 250 A 8.3 ms, half Sine pulse FSM Current (per leg) Electrical Characteristics Parameters Symbol Test Conditions Max Unit V 20A, Pulse, T = 25 C 0.58 F1 J Forward Voltage Drop (per leg) * V V 20A, Pulse, T = 125 C 0.50 F2 J I V = rated V T = 25 C 1.2 R1 R R J Reverse Current (per leg) * mA I V = rated V T = 125 C 35 R2 R R J * Pulse Width < 300s, Duty Cycle <2% 2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16Schottky Barrier Rectifier DST2045AX, 20A, 45V, Axial, Single 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 R DC operation 55 C/W thJA to Ambient Approximate Weight wt 2.24 g Case Style P600 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