DIODE MODULE DWF(R)50A30/40 DWF R 50A is a non-isolated diode module designed for 3 phase rectification. IF AV 50A, VRRM400V Construction with Joint-CathodeF Type and Joint-Anode R type. Non-isolated. Mounting Base as terminals. High Surge Capability Easy 20 92 20 20 25 12.5 12 2- 6 Applications Welding Power Supply 3 Phase Rectifier DWF 6.5 31max 19.5 4.0 M5X10 800.2 DWR Unita Maximum Ratings Symbol Tj25 unless otherwise specified Ratings Item DWF(R)50A30 DWF(R)50A40 Unit VRRM Repetitive Peak Reverse Voltage 300 400 V VRSM Non-Repetitive Peak Reverse Voltage 360 480 V D.C. Reverse Voltage 240 320 V VRDC Symbol Item Conditions Average Forward Current Single phase, half wave, 180conduction, Tc122 IFRMS R.M.S. Forward Current Single phase, half wave, 180conduction, Tc122 IFSM Surge Forward Current 1 2cycle, It It Value for one cycle of surge current Tj IFAV 2 Tstg Ratings Unit 50 A 78 A 1000 A 4150 A2S Operating Junction Temperature -30 to 150 Storage Temperature -30 to 125 2 Mounting Torque 60Hz, peak value, non-repetitive MountingM5 Recommended Value 1.5-2.515-25 2.728 TerminalM5 Recommended Value 1.5-2.515-25 2.728 Nm fB 170 g Ratings Unit Mass Electrical Characteristics Symbol Item IRRM Repetitive Peak Reverse Current, max. at VDRM, single phase, half wave, Tj150 10 mA VFM Forward Voltage Drop, max. Forward current 150A, Tj25, Inst. measurement 1.15 V Junction to case 0.50 /W Rthj-c Thermal Impedance, max. Conditions http://store.iiic.cc/ DWF(R)50A30/40 Power Dissipation PavW Maximum Forward Characteristics Forward Current IA F Average Forward Current vs. Power Dissipation Single Phase Three Phase Six Phase Per one element Average Forward Current vs. Allowable case Temperature Per one element Three Phase Single Phase Transient Thermal Impedance j-c/W Average Forward CurrentA 50ms20sec 0.5ms200ms -1 - - 60Hz TimeCycles Transient Thermal Impedancemax Per one element Junction to Case Per one element Tj25 start Six Phase Cycle Surge Forward Current Rating Non-Repetitive Surge Forward Current IA F Allowable Case Temperature Tc Average Forward CurrentA Forward Voltage Drop VV F - Time tsec http://store.iiic.cc/