Schottky Barrier Rectifier DST1040S-A, 10A, 40V, TO-277B, Single RoHS e3 DST1040S-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 Pin out Ultra low forward voltage Pb-free E3 means 2nd drop level interconnect is Pb-free and the terminal High frequency operation finish material is tin(Sn) MSL: L evel 1 - unlimited (IPC/ JEDEC J-STD- Anode 1 609A.01) K High junction temperature capability T rench MOS Schottky Cathode Anode technology 2 Applications S witching mode power Free-Wheeling diodes supply Polarity Protection Diodes DC/DC converters Maximum Ratings Parameters Symbol Test Conditions Max Unit Peak Inverse Voltage V - 40 V RWM 50% duty cycle T =125C 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 * Mounted on 30 mm x 30 mm pad areas aluminum PCB Electrical Characteristics Parameters Symbol Test Conditions Typ Max Unit 0.40 0.51 5A, Pulse, T = 25 C J V F1 0.46 0.57 10A, Pulse, T = 25 C J Forward Voltage Drop * V 0.30 0.43 5A, Pulse, T = 125 C J V F2 0.37 0.50 10A, Pulse, T = 125 C J I 0.015 0.80 V = rated V T = 25 C R1 R R, J Reverse Current * A I 78 100 V = rated V T = 125 C R2 R R, J Junction Capacitance C V = 5V, T = 25 C, fSIG = 1MHz 579 - pF T R C * Pulse Width < 300s, Duty Cycle <2% 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/15/19 Schottky Barrier Rectifier DST1040S-A, 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 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 Mounted on 30 mm x 30 mm aluminum PCB thermal resistance R - junction to lead thJL *Lead temperature monitored at the cathode pin Figure 1: Forward Current Derating Curve Figure 2: Forward Power Loss Characteristics 15 10 R = 3.5 C/W JL 8 12 6 9 4 6 2 3 0 0 3 6 9 12 15 0 25 50 75 100 125 150 Average Forward Current (A) o T , Lead Temperature ( C) L Figure 3: Typical Forward Characteristics Figure 4: T ypical Reverse Characteristics 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/15/19 Average Forward Current(A) Average Power Loss (W)