DIODE MODULE DWF(R)40A30/40 DWF (R) 40A is a non-isolated diode module designed for 3 phase rectification. ● IF (AV) =40A, VRRM=400V Construction with Joint-Cathode(F) 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 80±0.2 DWR Unit:a ■Maximum Ratings Symbol (Tj=25℃ 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 VR(DC) Symbol Item Conditions Average Forward Current Single phase, half wave, 180。conduction, Tc:122℃ IF(RMS) R.M.S. Forward Current Single phase, half wave, 180。conduction, Tc:122℃ IFSM Surge Forward Current 1 /2cycle,60Hz, It It Value for one cycle of surge current Tj IF(AV) 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 Mounting(M5) Recommended Value 1.5-2.5(15-25) 2.7(28) Terminal(M5) Recommended Value 1.5-2.5(15-25) 2.7(28) N・m (㎏f・B) 170 g Ratings Unit Mass ■Electrical Characteristics Symbol Item IRRM Repetitive Peak Reverse Current, max. at VDRM, single phase, half wave, Tj=150℃ 8 mA VFM Forward Voltage Drop, max. Forward current 120A, Tj=25℃, Inst. measurement 1.15 V Junction to case 0.60 ℃/W Rth(j-c) Thermal Impedance, max. SanRex Conditions ® 50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: [email protected] DWF(R)40A30/40 60 Power Dissipation Pav(W) Forward Current I(A) F 103 Maximum Forward Characteristics 5 2 102 5 2 101 Average Forward Current vs. Power Dissipation 50 Single Phase Three Phase 40 Six Phase 30 20 10 Per one element 150 1. 5 2. 0 10 20 30 50 60 Average Forward Current(A) Average Forward Current vs. Allowable Case Temperature Cycle Surge Forward Current Rating (Non-Repetitive) 125 1000 Per one element Tj=25℃ start Three Phase Six Phase 100 0 20 10 Single Phase 500 30 40 50 60 0 1 60Hz 2 5 10 20 50 100 Time(Cycles) Average Forward Current(A) Transient Thermal Impedance θj-c(℃/W) 40 Forward Voltage Drop V(V) F Surge Forward Current I(A) F Allowable Case Temperature Tc(℃) 1. 0 0 0 Transient Thermal Impedance(max) 0. 6 50ms∼20sec Junction to Case Per one element 0. 5 0. 4 0. 3 0.5ms∼200ms 0. 2 0. 1 0 5 5 10−1 2 10−3 2 5 5 100 2 10−2 2 5 101 5 10−1 2 2 Time t(sec) SanRex ® 50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: [email protected]