5SDD 0120C0200 Old part no. DS 879D

Transcription

1 Old part no. DS 879D--2 Welding diode Properties Key parameters High forward current capability V RRM = V Low forward and reverse recovery losses I FAVm = 11 A High operational reliability I FSM = 8 A V TO =.7 V Applications r T =. m Welding equipment High current application up to Hz Types type Conditions: V RRM V T j = C, half sine waveform, f = Hz Mechanical data F m Mounting force 3 4 kn m Weight.22 kg D S Surface creepage distance 4 mm D a Air strike distance 4 mm Fig. 1 Case ABB s.r.o. Novodvorska 1768/138a, Praha 4, Czech Republic tel.: , TS - DS/328/14 Jan-14 1 of 6

2 Maximum Ratings Maximum Limits Unit V RRM I FAVm I FRMS I R I FSM I 2 t Repetitive peak reverse voltage T j = C Average forward current T c = 8 C RMS forward current T c = 8 C Repetitive reverse current V R = V RRM Nonrepetitive peak surge current t p = ms, V R = V, half sine pulse Limiting load integral t p = ms, V R = V, half sine pulse V 11 A 17 A ma 8 A 36 A 2 s T jmin T jmax Operating temperature range C T stgmin - T stgmax Storage temperature range C Unless otherwise specified T j = 17 C Characteristics Value Unit min typ max V T Threshold voltage.7 V r T V FM Q rr Forward slope resistance I F1 = 8 A, I F2 = 18 A Maximum forward voltage I FM = 8 A Recovered charge I FM = A, di/dt = - A/ s, V R = V. m.92 V 3 C Unless otherwise specified T j = 17 C Thermal Specifications Value Unit R thjc R thch Thermal resistance junction to case Thermal resistance case to heatsink double side cooling 6 K/kW single side cooling 12 double side cooling 3 K/kW single side cooling 6 TS - DS/328/14 Jan-14 2 of 6

3 I F ( A ) I FSM ( ka ) i 2 dt ( 6 A 2 s) Transient thermal impedance junction to case Z thjc ( K/kW ) Analytical function for transient thermal impedance Z thjc 4 i 1 R (1 exp( t / )) i Conditions: F m = 3 4 kn, Double side cooled i i R i ( K/kW ) i ( s ) Square wave pulse duration t d ( s ) Fig. 2 Dependence transient thermal impedance junction to case on square pulse 2 T j = 17 C 16 I FSM 6 14 i 2 dt V F ( V ) 4 1 t ( ms ) Fig. 3 Maximum forward voltage drop characteristics Fig. 4 Surge forward current vs. pulse length, half sine wave, single pulse, V R = V, T j = T jmax TS - DS/328/14 Jan-14 3 of 6

4 T C ( C ) T C ( C ) P T ( W ) P T ( W ) 16 y = 6 16 y = Fig. Forward power loss vs. average forward current, sine waveform, f = Hz Fig. 6 Forward power loss vs. average forward current, square waveform, f = Hz y = y = Fig. 7 Max. case temperature vs. aver. forward current, sine waveform, f = Hz Fig. 8 Max.case temperature vs. aver. forward current, square waveform, f = Hz TS - DS/328/14 Jan-14 4 of 6

5 I D ( ka ) I D ( ka ) Fig. 9 Definition of ED for typical welding sequence Fig. Definition of I D for single-phase centre tap 3 3 T 1 = ms T 1 = ms 2 4 ms 2 4 ms ms 1 ms ms / 1 ms ms ms / 1 1 Fig. 11 Current load capacity, cont., output welding current with single-phase f = Hz, square wave, T j = 8 C Fig. 12 Current load capacity, cont., output welding current with single-phase f = Hz, square wave, T j = 7 C TS - DS/328/14 Jan-14 of 6

6 I D ( ka ) I D ( ka ) T 1 = ms 2 4 ms T 1 = ms 1 ms 1 4 ms ms ms / ms ms ms / 1 1 Fig. 13 Current load capacity, cont., output welding current with single-phase f = Hz, square wave, T j = 6 C Fig. 14 Current load capacity, cont., output welding current with single-phase f = Hz, square wave, T j = 4 C Notes: TS - DS/328/14 Jan-14 6 of 6