Schottky Barrier Rectifier DST1050S,8A, 10A, 50V, TO-277B, Single DST860S, 60V, TO-277B, Single DST1050S RoHS Pb e3 Description Littelfuse DST series Ultra Low VF Schottky Barrier Rectifier is designed to meet the general requirements of commercial and industry applications by providing high temperature, low leakage and lower VF products. It is suitable for high frequency switching mode power supply, free-wheeling diodes and polarity protection diodes. Features Pin out K Cathode Anode Anode • U ltra low forward voltage drop • S ingle die in TO-277B Package • High frequency operation • P b-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/ JEDEC J-STD609A.01) • MSL: Level 1 - unlimited 1 • H igh junction temperature capability 2 • T rench MOS Schottky technology Applications • S witching mode power supply • Free-Wheeling diodes • Polarity Protection Diodes • D C/DC converters Maximum Ratings Parameters Symbol Test Conditions Max Unit Peak Inverse Voltage VRWM - 50 V Average Forward Current IF(AV) 50% duty cycle @TL = 125 °C rectangular wave form 10 A Peak One Cycle Non-Repetitive Surge Current IFSM 8.3 ms, half Sine pulse 150 A Electrical Characteristics Parameters Symbol Max 0.48 @5A, Pulse, TJ = 25 °C 0.40 0.47 0.55 @5A, Pulse, TJ = 125 °C 0.30 0.39 @10A, Pulse, TJ = 125 °C 0.40 0.49 IR1 @VR = rated VR, TJ = 25 °C 0.05 1.5 IR2 @VR = rated VR, TJ = 125 °C 32 85 Forward Voltage Drop* VF2 * Pulse Width < 300μs, Duty Cycle <2% Typ @10A, Pulse, TJ = 25 °C VF1 Reverse Current* Test Conditions Unit V mA ©2017 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/16/17 Schottky Barrier Rectifier DST860S, 60V, TO-277B, Single DST1050S,8A, 10A, 50V, TO-277B, Single Thermal-Mechanical Specifications Parameters Symbol Max Unit Junction Temperature TJ -55 to +150 °C Storage Temperature Tstg -55 to +150 °C Maximum Thermal Resistance Junction to Ambient RthJA 75 °C/W Maximum Thermal Resistance Junction to Lead RthJL 3.5 °C/W Approximate Weight wt 0.08 g Case Style Test Conditions DC operation TO-277B Figure 1: Typical Forward Characteristics Figure 2: Typical 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 Schottky Barrier Rectifier DST860S, 60V, TO-277B, Single DST1050S,8A, 10A, 50V, TO-277B, Single Dimensions-TO-277B D Symbol C A E M L K G J D A E H B I F Millimeters Min Typ Max A 6.30 6.50 6.70 B 3.88 3.98 4.08 C 0.95 1.10 1.25 D 0.20 0.25 0.30 E 5.28 5.38 5.48 F 3.40 3.55 3.70 G 2.90 3.05 3.20 H 1.74 1.84 1.94 I 1.10 1.25 1.40 J - 0.85 - K 1.70 1.80 1.90 L 0.85 0.90 0.95 M - 0.56 - Part Numbering and Marking System M Mounting Pad Layout L H G B 4.90[0.193] MAX 1.00[0.039] MAX DST860S 6 DST1050S F I 3.20[0.126] MAX 0.95[0.037] MAX 1.94[0.076] MAX LF YYWWL DST 10 8 50 60 S LF YY WW L = Device Type = Forward Current (10A) (8A) = Reverse Voltage (50V) (60V) = Package Type = Littelfuse = Year = Week = Lot Number 1.40[0.055] MAX Packing Options Part Number Marking Packing Mode M.O.Q DST1050S DST1050S 5000pcs / Reel 5000 Carrier Tape & Reel Specification Symbol Millimeters Min Max A 4.28 4.48 B 6.80 7.00 d 1.40 1.60 d1 - 1.50 E 1.65 1.85 F 5.40 5.60 8.10 P 7.90 P0 3.90 4.10 W 11.70 12.30 ©2017 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/16/17