SHINDENGEN Square In-line Package Bridge Diode OUTLINE DIMENSIONS S20WB20 Case : S20WB Unit : mm 200V 20A RATINGS ● Absolute Maximum Ratings Item Symbol Conditions Tstg Storage Temperature Operating Junction Temperature Tj VRM Maximum Reverse Voltage IO 50Hz sine wave, R-load With heatsink Tc=76℃ Average Rectified Forward Current Peak Surge Forward Current Current Squared Time Dielectric Strength Mounting Torque IFSM I2t Vdis TOR 50Hz sine wave, R-load Without heatsink Ta=25℃ 50Hz sine wave, Non-repetitive 1cycle peak value, Tj=25℃ 1ms≦t＜10ms Ｔc=25℃ Terminals to case, AC 1 minute （Recommended torque : 1N･m） ● Electrical Characteristics (Tc=25℃) Item Symbol Conditions VF IF=10A, Pulse measurement, Rating of per diode Forward Voltage IR VR=VRM, Pulse measurement, Rating of per diode Reverse Current θjc junction to case θjl junction to lead Thermal Resistance θja junction to ambient Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd Ratings Unit -40～150 ℃ 150 ℃ 200 V 20 A 4.5 500 A 800 A2ｓ 2 kV 2 N･m Ratings Unit Max.1.05 V Max.10 μA Max.2 Max.2 ℃/W Max.17 S20WBx Forward Voltage Forward Current IF [A] 100 Tc=150°C [TYP] 10 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 1.6 S20WBx Forward Power Dissipation 80 Forward Power Dissipation PF [W] 70 60 SIN 50 40 30 20 10 0 0 5 10 15 20 25 Average Rectified Forward Current IO [A] Tj= 150°C Sine wave 30 S20WBx Derating Curve Average Rectified Forward Current IO [A] 40 35 Heatsink Tc 30 25 20 SIN 15 10 5 0 0 20 40 60 80 100 120 Case Temperature Tc [°C] Sine wave R-load with heatsink 140 160 S20WBx Derating Curve Average Rectified Forward Current IO [A] 6 l 5 PCB l=25mm Glass-epoxy substrate 4 l=15mm l=5mm 3 2 1 0 0 20 40 60 80 100 120 Ambient Temperature Ta [°C] Sine wave R-load Free in air 140 160 S20WBx Peak Surge Forward Capability IFSM 700 10ms 10ms Peak Surge Forward Current IFSM [A] 600 1 cycle non-repetitive, sine wave, Tj=25°C before surge current is applied 500 400 300 200 100 0 1 2 5 10 20 Number of Cycles [cycles] 50 100