Schottky Barrier Rectifier DST1040S, 10A, 40V, TO-277B, Single RoHS Pb e3 DST1040S 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 Single die in TO-277B drop Package Pin out High frequency operation Pb-free E3 means 2nd level interconnect is MSL: L evel 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) T rench MOS Schottky Cathode Anode 2 technology Applications Switching mode power F ree-Wheeling diodes supply P olarity Protection Diodes DC/DC converters Maximum Ratings Parameters Symbol Test Conditions Max Unit Peak Inverse Voltage V - 40 V RWM Average Forward Current 50% duty cycle T =121C M I 10 A F(AV) (per device) * rectangular wave form Peak One Cycle Non-Repetitive Surge I 150 A 8.3 ms, half Sine pulse FSM Current (per leg) * Mounted on 30 mm x 30 mm pad areas aluminum PCB Electrical Characteristics Parameters Symbol Test Conditions Typ Max Unit 5A, Pulse, T = 25 C 0.43 - J V F1 10A, Pulse, T = 25 C 0.49 0.57 J Forward Voltage Drop (per leg) * V 5A, Pulse, T = 125 C 0.33 - J V F2 10A, Pulse, T = 125 C 0.41 - J I V = rated V T = 25 C 0.017 0.80 R1 R R, J Reverse Current (per leg) * mA I V = rated V T = 125 C 15 100 R2 R R, J Junction Capacitance (per leg) C V = 5V, T = 25 C, fSIG = 1MHz 639 - pF T R C * Pulse Width < 300s, Duty Cycle <2% 2017 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/16/17 Schottky Barrier Rectifier DST1040S, 10A, 40V, TO-277B, 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 Typical Thermal Resistance R 4 C/W DC operation thJM Approximate Weight wt 0.08 g Case Style TO-277B Mounted on 30 mm x 30 mm aluminum PCB thermal resistance R - junction to mount thJM Figure 1: Typical Forward Characteristics Figure 2: T ypical Reverse Characteristics Figure 3: Typical Junction Capacitance 2017 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/16/17