SF3A400H Ultrafast Recovery Rectifier ULTRA FAST RECOVERY POWER RECTIFIER Features Low forward voltage drop 1 Ultrafast reverse recovery time : trr(Typ.)=20ns High speed switching 1 2 Low power loss and High efficiency 2 Pin Configuration Pin 1: Cathode Pin 2: Anode Full lead (Pb)-free and RoHS compliant device TO-252 SOD-106 Applications General purpose Product Characteristics Switching mode power supply IF(AV) 3A VRRM 400V VFM @ Tj=125℃ 1.05V trr (Typ.) 20ns Free-wheeling diode for motor application Power switching circuits DC-DC converter systems Description The SF3A400H is specially suited for switching mode base drive & transistor circuits. 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 SF3A400H 3A4H SOD-106 Marking Information 3A4H = Specific Device Code 3A4H YWW YWW = Year & Week Code Marking -. Y = Year Code -. WW = Week Code = Color band denote cathode KSD-D6A013-001 1 SF3A400H 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) 3 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode IFSM 60 A Storage temperature range Tstg -45℃ to +150℃ ℃ Maximum operating junction temperature TJ 150 ℃ Thermal Characteristics Characteristic Maximum thermal resistance junction to ambient Symbol Value Unit Rth(j-a) 76 ℃/W Electrical Characteristics Characteristic Peak forward voltage drop Reverse leakage current Symbol VFM (1) IRM (1) Test Condition Min. Typ. Max. Unit Tj=25℃ - - 1.30 V Tj=125℃ - - 1.05 V Tj=25℃ - - 5 uA Tj=125℃ - - 200 uA IFM = 3A VR = VRRM Reverse recovery time trr IF = 0.5A, di/dt =-100 A/us - 20 30 ns Junction capacitance Cj VR = 4VDC, f=1MHz - 40 100 pF Note : (1) Pulse test : tP≤380 ㎲, Duty cycle≤2% KSD-D6A013-001 2 SF3A400H Rating & Electrical Characteristic Curves Fig. 2) Typical Reverse Characteristics ㎂ Fig. 1) Typical Forward Characteristics Fig. 3) Maximum Forward Derative Curve Fig. 4) Forward Power Dissipation Fig. 5) Maximum Non-Repetitive Peak Forward Surge Current Fig. 6) Typical Junction Capacitance KSD-D6A013-001 3 SF3A400H Package Outline Dimension ※ Recommend PCB solder land [Unit : mm] KSD-D6A013-001 4 SF3A400H 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-D6A013-001 5