Schottky Barrier Rectifier DSDST860ST2050S, 8A,, 20A, 60V 50V, TO-277B, TO-277B, Single, Single e3 RoHS Pb DST2050S 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 lo w forward voltage Single die in TO-277B drop Package Pin out High frequency operation Pb-free E3 means 2nd level interconnect is MSL: Level 1 - unlimited Pb-free and the terminal Anode 1 High junction finish material is tin(Sn) K temperature capability (IPC/ JEDEC J-STD- 609A.01) Cathode Trench MOS Schottky Anode 2 technology Applications S witching mode power Free-Wheeling diodes supply Polarity Protection Diodes DC/DC con verters Maximum Ratings Parameters Symbol Test Conditions Max Unit Peak Inverse Voltage V - 50 V RWM 50% duty cycle T = 125 C L Average Forward Current 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 Electrical Characteristics Parameters Symbol Test Conditions Max Unit V 20A, Pulse, T = 25 C 0.65 F1 J Forward Voltage Drop* V V 20A, Pulse, T = 125 C 0.60 F2 J I V = rated V T = 25 C 4 R1 R R, J Reverse Current* mA I V = rated V T = 125 C 180 R2 R R, J * Pulse Width < 300s, Duty Cycle <2% 2017 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/16/17 Schottky Barrier Rectifier DSDST860ST2050S, 8A,, 20A, 60V 50V, TO-277B, TO-277B, Single, 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 Maximum Thermal Resistance R 75 C/W thJA Junction to Ambient DC operation Maximum Thermal Resistance R 3.5 C/W thJL Junction to Lead Approximate Weight wt 0.08 g Case Style TO-277B Figure 1: Typical Forward Characteristics Figure 2: T ypical Reverse Characteristics Units mounted on 30mm x 30mm copper pad. Figure 3: Typical Junction Capacitance 2017 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/16/17