DIODE MODULE DWF(R)50A30/40 DWF （R） 50A is a non-isolated diode module designed for 3 phase rectification. ● IF （AV） ＝50A, 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） 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 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, It It Value for one cycle of surge current Tj IF（AV） 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 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℃ 10 mA VFM Forward Voltage Drop, max. Forward current 150A, Tj＝25℃, Inst. measurement 1.15 V Junction to case 0.50 ℃/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)50A30/40 ６０ Power Dissipation Pav（W） ２ Maximum Forward Characteristics ３ Forward Current I（A） F １０ ５ ２ １０２ ５ ２ Average Forward Current vs. Power Dissipation Single Phase Three Phase ５０ Six Phase ４０ ３０ ２０ １０ Per one element １． ０ １． ５ ０ ０ ２． ０ １０ Average Forward Current vs. Allowable case Temperature Per one element １２５ １０００ １００ ０ ０ １０ ２０ Three Phase ３０ Single Phase ４０ ５０ Transient Thermal Impedance θj-c（℃/W） Average Forward Current（A） ０． ６ ０． ５ ５０ ６０ Per one element Tj＝25℃ start 60Hz ５００ Six Phase ４０ Cycle Surge Forward Current Rating （Non-Repetitive） Surge Forward Current I（A） F Allowable Case Temperature Tc（℃） ３０ Average Forward Current（A） Forward Voltage Drop V（V） F １５０ ２０ ６０ ０ １ ２ ５ １０ ２０ ５０ １００ Time（Cycles） Transient Thermal Impedance（max） Per one element Junction to Case 50ms〜20sec ０． ４ ０． ３ 0.5ms〜200ms ０． ２ ０． １ ５ ５ １０-1 ２ １０-３ ２ ５ ５ １００ ２ １０-２ ２ ５ ５ １０１ ２ １０-１ 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]