SHINDENGEN Schottky Rectifiers (SBD) DF40SC4 Dual OUTLINE DIMENSIONS Case : STO-220 Unit : mm 40V 40A FEATURE ● SMT ● Tj150℃ ● PRRSM avalanche guaranteen ● High current capacity with Small Package APPLICATION ● Switching power supply ● DC/DC converter ● Home Appliances, Office Equipment ● Telecommunication RATINGS ●Absolute Maximum Ratings (If not specified Tc=25℃) 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 IO 50Hz sine wave, R-load, Rating for each diode Io/2, Tc=106℃ IFSM Peak Surge Forward Current 50Hz sine wave, Non-repetitive 1 cycle peak value, Tj=25℃ Repetitive Peak Surge Reverse Power PRRSM Pulse width 10μs, Rating of per diode, Tj=25℃ Ratings -55〜150 150 40 45 40 350 1000 Unit ℃ ℃ V V A A W ●Electrical Characteristics (If not specified Item Symbol Forward Voltage VF Reverse Current IR Junction Capacitance Cj Thermal Resistance θjc Ratings Max.0.55 Max.14 Typ.860 Max.1.5 Unit V mA pF ℃/W Tc=25℃) Conditions I F=20A, Pulse measurement, Rating of per diode V R=VRM , Pulse measurement, Rating of per diode f=1MHz, V R=10V, Rating of per diode junction to case Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd DF40SC4 Forward Voltage Forward Current IF [A] 100 10 Tc=150°C [MAX] Tc=150°C [TYP] Tc=25°C [MAX] Tc=25°C [TYP] Pulse measurement per diode 1 0 0.2 0.4 0.6 0.8 1 Forward Voltage VF [V] 1.2 1.4 Junction Capacitance Cj [pF] 0.1 100 1000 10 Junction Capacitance Reverse Voltage VR [V] 1 DF40SC4 f=1MHz Tc=25°C TYP per diode DF40SC4 Reverse Current 10000 Tc=150°C [MAX] 1000 Reverse Current IR [mA] Tc=150°C [TYP] 100 Tc=125°C [TYP] Tc=100°C [TYP] 10 Tc=75°C [TYP] 1 Pulse measurement per diode 0.1 0 5 10 15 20 25 Reverse Voltage VR [V] 30 35 40 DF40SC4 Reverse Power Dissipation 80 Reverse Power Dissipation PR [W] 70 DC D=0.05 0.1 60 0.2 50 0.3 40 0.5 30 20 SIN 0.8 10 0 0 10 20 30 40 50 Reverse Voltage VR [V] Tj = 150°C 0 VR tp D=tp /T T DF40SC4 Forward Power Dissipation 40 Forward Power Dissipation PF [W] 35 DC D=0.8 30 25 0.3 SIN 0.5 0.2 0.1 20 0.05 15 10 5 0 0 10 20 30 40 50 60 70 Average Rectified Forward Current IO [A] Tj = 150°C IO 0 tp D=tp /T T DF40SC4 Derating Curve Average Rectified Forward Current IO [A] 80 70 DC 60 D=0.8 50 0.5 SIN 40 0.3 30 0.2 0.1 20 0.05 10 0 0 20 40 60 80 100 120 140 160 Case Temperature Tc [°C] VR = 20V IO 0 0 VR tp D=tp /T T DF40SC4 Peak Surge Forward Capability IFSM 500 10ms 10ms 1 cycle non-repetitive, sine wave, Tj=25°C before surge current is applied Peak Surge Forward Current IFSM [A] 400 300 200 100 0 1 2 5 10 20 Number of Cycles [cycles] 50 100 SBD Repetitive Surge Reverse Power Derating Curve 120 PRRSM Derating [%] 100 80 60 40 20 0 0 50 100 150 Junction Temperature Tj [°C] IRP IR VR VRP 0.5IRP 0 tp PRRSM = IRP × VRP SBD Repetitive Surge Reverse Power Capability PRRSM(t p) / PRRSM(t p=10µs) Ratio 10 1 0.1 1 10 100 Pulse Width t p [µs] IRP IR VR VRP 0.5IRP 0 tp PRRSM = IRP × VRP