SHINDENGEN Schottky Rectifiers (SBD) SF20SC6 Dual OUTLINE DIMENSIONS Case : FTO-220 Unit : mm 60V 20A FEATURES Tj150 PRRSM avalanche guaranteed Fully Isolated Molding High current capacity with Small Package Dielectric strength 2kV guaranteed APPLICATION Switching power supply DC/DC converter Home Appliances, Office Equipment Telecommunication RATINGS Absolute Maximum Ratings iIf not specified, Tc=25j Item Symbol Conditions Storage Temperature Tstg Operating Junction Temperature Tj Maximum Reverse Voltage VRM Repetitive Peak Surge Reverse Voltage VRRSM Pulse width 0.5ms, duty 1/40 Average Rectified Forward Current 50Hz sine wave, R-load, Rating for each diode Io/2, Tc=118 IO Peak Surge Forward Current IFSM 50Hz sine wave, Non-repetitive 1 cycle peak value, Tj=25 Repetitive Peak Surge Reverse Power PRRSM Pulse width 10Ês, Rating of per diode, Tj=25 Dielectric Strength Vdis Terminals to case, AC 1 minute Mounting Torque TOR (Recommended torque : 0.3NEm) Ratings -55`150 150 60 65 20 230 660 2 0.5 Unit V V A A W kV NE Electrical Characteristics iIf not specified, Tc=25j Item Symbol Conditions Forward Voltage IF=10A, Pulse measurement, Rating of per diode VF Reverse Current VR=VRM, Pulse measurement, Rating of per diode IR Junction Capacitance f=1MHz, VR=10V Rating of per diode Cj Æjc junction to case Thermal Resistance Æjf junction to heatsink Æcf case to heatsink Ratings Max.0.63 Max.8 Typ.370 Max.1.8 Max.4.3 Max.2.5 Unit V mA pF Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd /W SF20SC6 Forward Voltage Pulse measurement per diode 100 50 Forward Current IF [A] 20 10 5 Tc=150°C [MAX] Tc=150°C [TYP] Tc= 25°C [MAX] Tc= 25°C [TYP] 2 1 0.5 0.2 0.1 0 0.2 0.4 0.6 0.8 Forward Voltage 1 1.2 VF [V] 1.4 1.6 SF20SC6 Forward Power Dissipation Forward Power Dissipation PF [W] 25 DC 20 D=0.8 0.5 SIN 15 0.3 0.2 0.1 10 0.05 5 0 0 5 10 15 20 25 Average Rectified Forward Current 30 35 IO [A] Tj =150°C IO 0 tp D=tp/T T SF20SC6 Peak Surge Forward Capability IFSM 300 10ms 10ms 1 cycle 250 IFSM [A] non-repetitive, sine wave, Tj=25°C before surge current is applied Peak Surge Forward Current 200 150 100 50 0 1 2 5 10 Number of Cycles 20 [cycle] 50 100 SF20SC6 Reverse Current Pulse measurement per diode 1000 Tc=150°C [TYP] 100 Reverse Current IR [mA] Tc=125°C [TYP] Tc=100°C [TYP] 10 Tc=75°C [TYP] 1 Tc=50°C [TYP] Tc=25°C [TYP] 0.1 0.01 0.001 0 10 20 30 Reverse Voltage 40 VR [V] 50 60 SF20SC6 Reverse Power Dissipation Reverse Power Dissipation PR [W] 50 DC D=0.05 0.1 40 0.2 0.3 30 0.5 20 SIN 0.8 10 0 0 10 20 30 Reverse Voltage 40 50 60 70 VR [V] Tj =150°C 0 VR tp D=tp/T T SF20SC6 Junction Capacitance Junction Capacitance Cj [pF] 10000 f=1MHz Tc=25°C TYP per diode 1000 100 10 0.1 0.2 0.5 1 2 Reverse Voltage 5 VR [V] 10 20 60 SF20SC6 Derating Curve Average Rectified Forward Current IO [A] 40 35 DC 30 D=0.8 25 0.5 20 SIN 0.3 15 0.2 10 0.1 0.05 5 0 0 20 40 60 80 100 Case Temperature 120 140 160 Tc [°C] VR = 30V IO 0 0 VR tp D=tp/T T SF20SC6 Repetitive Surge Reverse Power Capability PRRSM(tp) / PRRSM(tp=10us) Ratio 10 5 2 1 0.5 0.2 0.1 0.5 1 2 5 10 Pulse Width 20 50 100 tp [us] IRP IR VR VRP 0.5IRP 0 tp PRRSM = IRP x VRP SF20SC6 Repetitive Surge Reverse Power Derating Curve 120 PRRSM Derating [%] 100 80 60 40 20 0 0 25 50 75 100 Junction Temperature 125 150 Tj [°C] IRP IR VR VRP 0.5IRP 0 tp PRRSM = IRP x VRP