5SDD 0120C0400 5SDD 0120C0400 Old part no. DS 879D-12000-04 Welding diode Properties Key parameters High forward current capability V = 400 V RRM Low forward and reverse recovery losses I = 11 350 A FAVm High operational reliability I = 85 000 A FSM V = 0.74 V TO Applications r = 0.018 m T Welding equipment High current application up to 2000 Hz Types type V RRM 5SDD 0120C0400 400 V T = -40 170 C, Conditions: j half sine waveform, f = 50 Hz Mechanical data F Mounting force 35 40 kN m m Weight 0.22 kg D Surface creepage 4 mm S distance D Air strike distance 4 mm a Fig. 1 Case ABB s.r.o. Novodvorska 1768/138a, 142 21 Praha 4, Czech Republic tel.: +420 261 306 250, 5SDD 0120C0400 Maximum Ratings Maximum Limits Unit V Repetitive peak reverse voltage 400 V RRM T = -40 170 C j I Average forward current 11 350 A FAVm T = 85 C c I RMS forward current 17 800 A FRMS T = 85 C c I Repetitive reverse current 50 mA R V = V R RRM I Nonrepetitive peak surge current 85 000 A FSM t = 10 ms, V = 0 V, half sine pulse p R 2 2 I t Limiting load integral 36 000 000 A s t = 10 ms, V = 0 V, half sine pulse p R T T Operating temperature range - 40 170 C jmin jmax T - Storage temperature range - 40 170 C stgmin T stgmax Unless otherwise specified T = 170 C j Characteristics Value Unit min typ max V Threshold voltage 0.740 V T0 r Forward slope resistance 0.018 m T I = 8 000 A, I = 18 000 A F1 F2 V Maximum forward voltage 0.83 0.88 V FM I = 8000 A FM Q Recovered charge 350 C rr I = 1000 A, di/dt = -30 A/ s, V = 50 V FM R Unless otherwise specified T = 170 C j Thermal Specifications Value Unit double side cooling R Thermal resistance junction 6 K/kW thjc to case single side cooling 12 Thermal resistance case to double side cooling 3 K/kW R thch heatsink single side cooling 6 ABB s.r.o., Novodvorska 1768/138a, 142 21 Praha 4, Czech Republic ABB s.r.o. reserves the right to change the data contained herein at any time without notice TS - DS/036/00c Jan-14 2 of 6