SDB2045PI Schottky Barrier Rectifier LOW VOLTAGE SCHOTTKY RECTIFIER Features Low forward voltage drop and leakage current Low power loss and High efficiency ESD capability 1 Dual common cathode rectifier 3 Pin 1, 3: Anode Pin 2: Cathode 123 Full lead (Pb)-free and RoHS compliant device 2 TO-220F-3L Applications Power supply - Output rectification Product Characteristics High efficiency SMPS IF(AV) 2 X 10A VRRM 45V VFM at 125℃ 0.50V IFSM 120A Free-wheeling diode Reverse battery protection DC to DC systems Description The SDB2045PI has two schottky barriers arranged in a common cathode configuration. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection Ordering Information Device Marking Code Package Packaging SDB2045PI SDB2045 TO-220F-3L Tube Marking Information AUK = Manufacture Logo ∆ = Control Code of Manufacture AUK △YMDD SDB2045 YMDD = Date Code Marking -. Y = Year Code -. M = Monthly Code -. DD = Daily Code SDB2045 = Specific Device Code KSD-D0O032-001 1 SDB2045PI Absolute Maximum Ratings (Limiting Values) Characteristic Symbol Value Unit VRRM VRWM VR 45 V Maximum repetitive reverse voltage Maximum working peak reverse voltage Maximum DC blocking voltage per diode 10 Maximum average forward rectified current IF(AV) A total device 20 Peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode IFSM 120 A Storage temperature range Tstg -45℃ to +150℃ ℃ Maximum operating junction temperature TJ 150 ℃ Symbol Value Unit Thermal Characteristics Characteristic per diode 4.0 Maximum thermal resistance junction to case ℃/W Rth(j-c) total device 3.5 Electrical Characteristics (Per Diode) Characteristic Symbol VFM (1) Peak forward voltage drop IRM (1) Reverse leakage current Junction capacitance Cj Test Condition Min. Typ. Max. Unit Tj=25℃ - - 0.54 V Tj=125℃ - - 0.50 V Tj=25℃ - - 1.5 mA Tj=125℃ - - 150 mA - 650 - pF IFM = 10A VR = VRRM VR = 5VDC, f=1MHz Note : (1) Pulse test : tP≤380 ㎲, Duty cycle≤2% To evaluate the conduction losses use the following equation (Fig 4.) : PF = 0.35 x IF(AV) + 0.015 IF2(RMS) IFM Forward Voltage : VFM = Vto + rd IFM 2 IF(AV) rd Conduction Loss : PF = Vto IF(AV) + rd IF2(RMS) IF(AV) Vto VFM KSD-D0O032-001 2 SDB2045PI Rating and Characteristic Curves Fig. 2) Typical Reverse Characteristics (Per diode) ㎃ Fig. 1) Typical Forward Characteristics (Per diode) Fig. 3) Maximum Forward Derative Curve Fig. 4) Forward Power Dissipation (Per diode) Fig. 5) Maximum Non-Repetitive Peak Forward Surge Current (Per diode) Fig. 6) Typical Junction Capacitance (Per diode) KSD-D0O032-001 3 SDB2045PI Package Outline Dimension KSD-D0O032-001 4 SDB2045PI The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-D0O032-001 5