DIODE MODULE DWF(R)40A30/40 DWF R 40A is a non-isolated diode module designed for 3 phase rectification. IF AV 40A, 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 Item Ratings DWF(R)40A30 DWF(R)40A40 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,60Hz, It It Value for one cycle of surge current Tj IFAV 2 Tstg Ratings Unit 40 A 62 A 800 A 2700 A2S Operating Junction Temperature -30 to 150 Storage Temperature -30 to 125 2 Mounting Torque 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 8 mA VFM Forward Voltage Drop, max. Forward current 120A, Tj25, Inst. measurement 1.15 V Junction to case 0.60 /W Rthj-c Thermal Impedance, max. Conditions http://store.iiic.cc/ DWF(R)40A30/40 Power Dissipation PavW Forward Current IA F Maximum Forward Characteristics Average Forward Current vs. Power Dissipation Single Phase Three Phase Six Phase Per one element Cycle Surge Forward Current Rating Non-Repetitive Single Phase Three Phase Six Phase Per one element Tj25 start Transient Thermal Impedancemax 50ms20sec Junction to Case Per one element 0.5ms200ms -1 - - - 60Hz TimeCycles Average Forward CurrentA Transient Thermal Impedance j-c/W Average Forward Current vs. Allowable Case Temperature Average Forward CurrentA Forward Voltage Drop VV F Surge Forward Current IA F Allowable Case Temperature Tc Time tsec http://store.iiic.cc/