SF8A400H Ultrafast Recovery Rectifier 400V, 8A ULTRAFAST RECOVERY RECTIFIERS Features High voltage and high reliability Ultrafast reverse recovery time High speed switching Low power loss and High efficiency Pin Configuration Pin 1: Cathode Pin 2: Anode Full lead (Pb)-free and RoHS compliant device TO-220F-2L Applications General purpose Product Characteristics Switching mode power supply IF(AV) 8A VRRM 400V VFM @ Tj=125℃ 1.2V trr 30ns Free-wheeling diode for motor application Power switching circuits DC-DC converter systems Description The SF8A400H is ideally as boost diode in discontinuous or critical mode power factor corrections. The device is also intended for use as a freewheeling diode in power supplies and other power switching applications. Ordering Information Device Marking Code Package Packaging SF8A400H SF8A400H TO-220F-2L Tube Marking Information AUK = Manufacture Logo ∆ = Control Code of Manufacture YMDD = Date Code Marking -. Y = Year Code -. M = Monthly Code -. DD = Daily Code SF8A400H = Specific Device Code KSD-D6A011-001 1 SF8A400H Absolute Maximum Ratings (Limiting Values) Characteristic Symbol Value Unit Maximum repetitive reverse voltage Maximum working peak reverse voltage Maximum DC blocking voltage VRRM VRWM VR 400 V Maximum average forward rectified current IF(AV) 8 A 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 ℃ Thermal Characteristics Characteristic Maximum thermal resistance junction to case Symbol Value Unit Rth(j-c) 4.0 ℃/W Electrical Characteristics Characteristic Symbol Test Condition Peak forward voltage drop VFM (1) IFM = 8A Reverse leakage current IRM (1) VR = VRRM Min. Typ. Max. Unit Tj=25℃ - - 1.30 V Tj=125℃ - - 1.15 V Tj=25℃ - - 10 uA Tj=125℃ - - 200 uA Reverse recovery time trr IF = 1A, di/dt =-100 A/us - - 30 ns Junction capacitance Cj VR = 4VDC, f=1MHz - 70 - pF Note : (1) Pulse test : tP≤380 ㎲, Duty cycle≤2% KSD-D6A011-001 2 SF8A400H Electrical Characteristic Curves Fig. 2 IR - VR [㎂] Fig.1 IF - VF Fig. 3 PF - IO Fig. 4 CT - VR Fig. 5 IFSM – Number of cycle Fig. 6 IO derating - TC KSD-D6A011-001 3 SF8A400H Outline Dimension KSD-D6A011-001 4 SF8A400H 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-D6A011-001 5