DIODE MODULE DWF(R)70A30/40 DWF （R） 70A is a non-isolated diode module designed for 3 phase rectification. ● IF （AV） ＝70A, 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)70A30 DWF(R)70A40 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：119℃ IF（RMS） R.M.S. Forward Current Single phase, half wave, 180︒conduction, Tc：119℃ IFSM Surge Forward Current 1 ／2cycle, It It Value for one cycle of surge current Tj IF（AV） 2 Tstg Ratings Unit 70 A 110 A 1400 A 8100 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（48） Terminal（M5） Recommended Value 1.5-2.5（15-25） 2.7（48） 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℃ 12 mA VFM Forward Voltage Drop, max. Forward current 220A, Tj＝25℃, Inst. measurement 1.15 V Junction to case 0.40 ℃/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)70A30/40 8０ 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 7０ ６０ Six Phase ５０ ４０ ３０ ２０ １０ Per one element １５０ １． ５ ２． ０ １０ ２０ ３０ ４０ ５０ ６０ 7０ 8０ Forward Voltage Drop V（V） F Average Forward Current（A） Average Forward Current vs. Allowable Case Temperature Cycle Surge Forward Current Rating （Non-Repetitive） Per one element １２５ １5００ Surge Forward Current I（A） F Allowable Case Temperature Tc（℃） １． ０ ０ ０ Per one element Tj＝25℃ start １０００ １００ Six Phase ０ ０ １０ ２０ ３０ ４０ Three Phase ５０ ６０ Single Phase ７０ Transient Thermal Impedance θj-c（℃/W） Average Forward Current（A） ０． ５ ８０ 60Hz ５００ ０ ２ ５ １０ ２０ ５０ １００ Time（Cycles） Transient Thermal Impedance（max） Junction to Case Per one element ０． ４ 50ms〜20sec ０． ３ ０． ２ 0.5ms〜200ms ０． １ ０ ５ ５ １０−1 １０−３ ２ 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]