Schottky Barrier Rectifier DST1050S-A, 10A, 50V, TO-277B, Single DST1050S-A, 10A, 50V, TO-277B, Single e3 RoHS Pb DST1050S-A Description Littelfuse DST series Ultra Low V Schottky Barrier F Rectifier is designed to meet the general requirements of automotive 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 High reliability application Single die in TO-277B and AEC-Q101 qualified Package Ultra low forward voltage Pb-free E3 means 2nd Pin out drop level interconnect is Pb-free and the terminal High frequency operation finish material is tin(Sn) Anode 1 MSL: L evel 1 - unlimited (IPC/ JEDEC J-STD- K 609A.01) High junction temperature capability Cathode T rench 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 10 A F(AV) rectangular wave form Peak One Cycle Non-Repetitive Surge Current I 8.3 ms, half Sine pulse 150 A FSM Electrical Characteristics Parameters Symbol Test Conditions Typ Max Unit 5A, Pulse, T = 25 C 0.40 0.48 J V F1 10A, Pulse, T = 25 C 0.47 0.55 J Forward Voltage Drop* V 5A, Pulse, T = 125 C 0.30 0.39 J V F2 10A, Pulse, T = 125 C 0.40 0.49 J I V = rated V T = 25 C 0.05 1.5 R1 R R, J Reverse Current* mA I V = rated V T = 125 C 32 85 R2 R R, J * Pulse Width < 300s, Duty Cycle <2% 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/15/19 Schottky Barrier Rectifier DST1050S-A, 10A, 50V, TO-277B, Single DST1050S-A, 10A, 50V, 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 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 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/15/19