Schottky Barrier Rectifier DST1040S-A, 10A, 45V, TO-277B, Single e3 RoHS DST1045S-A DescrDescriptioniption Littelfuse DST series Ultra Low VF Schottky Barrier Rectifier is designed to meet the general requirements of automotive applications by providing high temperature, low leakage and low VF products. It is suitable for high frequency switching mode power supply applications, as free-wheeling and polarity protection diodes. Features Ultra low forward voltage Schottky technology drop Pin out Single die in TO-277B High frequency operation Package High junction temperature capability Anode 1 K High reliability application and AEC-Q101 qualified Cathode Anode 2 Trench MOS Barrier Applications Switching mode power F ree-Wheeling diodes supply Polarity Protection Diodes DC/DC converters Maximum Ratings Parameters Symbol Test Conditions Max Unit Peak Inverse Voltage V - 45 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 150 A 8.3 ms, half Sine pulse FSM * Mounted on 30 mm x 30 mm pad areas aluminum PCB Electrical Characteristics Parameters Symbol Test Conditions Typ Max Unit 0.43 0.51 5A, Pulse, T = 25 C J V F1 0.49 0.57 10A, Pulse, T = 25 C J Forward Voltage Drop * V 0.32 0.43 5A, Pulse, T = 125 C J V F2 0.41 0.50 10A, Pulse, T = 125 C J I 0.003 0.019 V = rated V T = 25 C R1 R R, J Reverse Current * mA I V = rated V T = 125 C 5 15 R2 R R, J Junction Capacitance C V = 5V, T = 25 C, f = 1MHz 656 - pF T R C SIG * Pulse Width < 300s, Duty Cycle <2% 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/14/19 Schottky Barrier Rectifier DST1040S-A, 10A, 45V, 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 Thermal Resistance Junction to Ambient R 75 C/W DC operation JA Typical Thermal Resistance Junction to Lead R * DC operation 3.5 C/W JL Approximate Weight wt - 0.08 g Case Style TO-277B (1) Free air, mounted on recommended copper pad area thermal resistance R - junction to ambient JA (2) Mounted on 30 mm x 30 mm pad areas aluminum PCB thermal resistance R - junction to lead Jl *Lead temperature monitored at the cathode pin Figure 1: Forward Current Derating Curve Figure 2: Forward Power Loss Characteristics 15 15 R = 3.5 C/W JL 12 12 9 9 6 6 3 3 0 0 25 50 75 100 125 150 0 3 6 9 12 15 o T Lead Temperature ( C) Average Forward Current (A) L Figure 3: Typical Instantaneous Forward Voltage Figure 4: T ypical Reverse Characteristics Characteristics Reverse Voltage -V (V) R Forward Voltage -V (V) F 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/14/19 Average Forward Current(A) Instantaneous Forward Current -I (A) F Instantaneous Reverse Current -I (mA) Average Power Loss (W) R