Schottky Barrier Rectifier DSTF40120C, 2x20A, 120V, ITO-220AB, Common Cathode DSTF40120C RoHS Pb 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 • U ltra low forward voltage drop Pin out ink 3 Anode 1 D-PAK athode • High frequency operation Heat sink Common Cathode Common Cathode 1 2 3 1 Anode Common Anode Cathode 2 Applications 3 4 0AB Anode • S witching mode power supply Anode Common Anode Cathode Pinout 2 TO-220AB Common Cathode • Free-Wheeling diodes • Polarity Protection Diodes • DC/DC converters Pinout 3 ITO-220AB Common Cathode Parameters Symbol Peak Inverse Heat sink Voltage VRWM Average Forward Current 40 (total device) Peak One Cycle Non-Repetitive Surge Current (per leg) 250 Cathode 3 • C ommon cathode configuration in ITO220AB package • H igh junction temperature capability Maximum Ratings ommon Cathode node • G uard ring for enhanced ruggedness and long term reliability Cathode Test Conditions Max Unit - 120 V IF(AV) 50% duty cycle @TC =74°C rectangular wave form 20 (per leg) IFSM 8.3 ms, half Sine pulse A A Anode 1 2 Electrical Characteristics Pinout 5 TO-220AC Parameters Symbol VF1 Forward Voltage Drop (per leg) * VF2 Reverse Current (per leg) * Junction Capacitance (per leg) * Pulse Width < 300μs, Duty Cycle <2% IR1 Test Conditions Typ Max @5A, Pulse, TJ = 25 °C 0.50 - @10A, Pulse, TJ = 25 °C 0.64 - @20A, Pulse, TJ = 25 °C 0.87 0.97 @5A, Pulse, TJ = 125 °C 0.46 - Unit V @10A, Pulse, TJ = 125 °C 0.57 - @20A, Pulse, TJ = 125 °C 0.68 0.76 @VR = rated VR TJ = 25 °C 33 500 μA IR2 @VR = rated VR TJ = 125 °C 6 45 mA CT @VR = 5V, TC = 25 °C, fSIG = 1MHz 608 - pF ©2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16 Schottky Barrier Rectifier DSTF40120C, 2x20A, 120V, ITO-220AB, Common Cathode Thermal-Mechanical Specifications Parameters Symbol Test Conditions Max Unit Junction Temperature TJ -55 to +150 °C Storage Temperature Tstg -55 to +150 °C Thermal Resistance Junction to Case (per leg) RthJC 4.0 °C/W Approximate Weight wt 2 g Case Style DC operation ITO-220AB Figure 1: Typical Forward Characteristics Figure 2: Typical Reverse Characteristics ºC ºC ºC ºC Figure 3: Typical Junction Capacitance ºC ©2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16 Schottky Barrier Rectifier DSTF40120C, 2x20A, 120V, ITO-220AB, Common Cathode Dimensions- ITO-220AB Symbol Millimeters Min Typ Max A 4.30 4.50 4.70 A1 1.10 1.30 1.50 A2 2.80 3.00 3.20 A3 2.50 2.70 2.90 b 0.50 0.60 0.75 b1 1.10 1.20 1.35 b2 1.50 1.60 1.75 b3 1.20 1.30 1.45 b4 1.60 1.70 1.85 c 0.55 0.60 0.75 D 14.80 15.00 15.20 E 9.96 10.16 10.36 2.55 e 5.10 e1 H1 6.50 6.70 6.90 L 12.70 13.20 13.70 2.00 L1 1.60 1.80 L2 0.80 1.00 1.20 L3 0.60 0.80 1.00 øP1 øP2 3.30 3.50 3.70 2.99 3.19 3.39 Q 2.50 2.70 2.90 θ1 θ2 θ3 θ4 θ5 Packing Options 5° 4° 10° 5° 5° Part Numbering and Marking System Part Number Marking Packing Mode M.O.Q DSTF40120C DSTF40120C 50pcs / Tube 1000 DSTF40120C 6 Tube Specification LF YYWWL PP DST F 40 120 C LF YY WW L = Device Type = Package type = Forward Current (40A) = Reverse Voltage (120V) = Configuration = Littelfuse = Year = Week = Lot Number PP PP ©2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16