5SDF 63X0400. High Frequency Welding Diode. VRRM = 400 V Low forward and reverse recovery losses. IFAVm = A High operational reliability

Size: px

Start display at page:

Download "5SDF 63X0400. High Frequency Welding Diode. VRRM = 400 V Low forward and reverse recovery losses. IFAVm = A High operational reliability"

Betty Singleton
5 years ago
Views:

1 P R E L I M I N A R Y SDF 63X4 High Frequency Welding Diode Properties SDF 63X4 Key Parameters High forward current capability VRRM = 4 V Low forward and reverse recovery losses IFAVm = A High operational reliability IFSM = 44 A VTO =.962 V Applications rt =.36 m Welding equipment High current application up to 1 khz Types V RRM SDF 63X4 Conditions: 4 V T j = C, half sine waveform, f = Hz Mechanical Data F m Mounting force 22 ± 2 kn m Weight.14 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/297/11d Apr-16 1 of 9

2 P R E L I M I N A R Y SDF 63X4 Maximum Ratings Maximum Limits Unit V RRM Repetitive peak reverse voltage T j = C 4 V I FAVm Average forward current T c = 8 C A T c = 11 C 12 I FRMS RMS forward current T c = 8 C A T c = 11 C 8 42 I RRM I FSM I 2 t Repetitive reverse current V R = V RRM Non repetitive peak surge current V R = V, half sine pulse Limiting load integral V R = V, half sine pulse 2 ma t p = 8.3 ms 47 A t p = 1 ms 44 t p = 8.3 ms A 2 s t p = 1 ms 9 68 T jmin T jmax Operating temperature range C T stgmin -T stgmax Storage temperature range Unless otherwise specified T j = 19 C Characteristics Value Unit min typ max V T Threshold voltage.962 V r T V FM Forward slope resistance I F1 = A, I F2 = 1 A Maximum forward voltage I FM = A.36 m 1.14 V Q rr Recovered charge I FM = 2 A, di/dt = -3 A/ s, V R = V Unless otherwise specified T j = 19 C 18 C TS - DS/297/11d Apr-16 2 of 9

3 Transient thermal impedance junction to case Z thjc ( K/kW ) P R E L I M I N A R Y SDF 63X4 Thermal Parameters Value Unit R thjc R thch Thermal resistance junction to case Thermal resistance case to heatsink double side cooling 1 K/kW single side cooling 2 double side cooling K/kW single side cooling 1 Transient Thermal Impedance Analytical function for transient thermal impedance Z thjc 4 i 1 R (1 exp( t / )) Conditions: F m = 22 ± 2 kn, Double side cooled i i i i ( s ) Ri( K/kW ) Correction for periodic waveforms 18 sine: 1. K/kW 18 rectangular:.9 K/kW 12 rectangular: 1.4 K/kW 6 rectangular: 2.3 K/kW Fig Square wave pulse duration t d ( s ) Dependence transient thermal impedance junction to case on square pulse TS - DS/297/11d Apr-16 3 of 9

4 I FSM ( ka ) i 2 dt (1 6 A 2 s) I FSM ( ka ) I F ( A ) P R E L I M I N A R Y SDF 63X4 2 T j = 19 C V F ( V ) Fig. 3 Maximum forward voltage drop characteristics i 2 dt 3 1 V R = V 2 2 I FSM 1 V R. V RRM 1 1 t ( ms ) Number n of cycles at Hz Fig. 4 Surge forward current vs. pulse length, half sine wave, single pulse, Fig. Surge forward current vs. number of pulses, half sine wave, T j = T jmax V R = V, T j = T jmax TS - DS/297/11d Apr-16 4 of 9

5 T C ( C ) T C ( C ) P T ( W ) P T ( W ) P R E L I M I N A R Y SDF 63X4 1 y = DC 1 y = DC I FAV ( A ) I FAV ( A ) Fig. 6 Forward power loss vs. average forward current, sine waveform, f = Hz, T = 1/f Fig. 7 Forward power loss vs. average forward current, square waveform, f = Hz, T = 1/f DC 1 8 DC 27 6 y = y = I FAV ( A ) I FAV ( A ) Fig. 8 Max. case temperature vs. aver. forward current, sine waveform, f = Hz, T = 1/f Fig. 9 Max.case temperature vs. aver. forward current, square waveform, f = Hz, T = 1/f Note 2: Figures number 6 9 have been calculated without considering any forward and reverse recovery losses. They are valid for f = or 6 Hz operation. TS - DS/297/11d Apr-16 of 9

6 P R E L I M I N A R Y SDF 63X4 2 vf (t), if (t) Q rr ( µc ) V fr ( V ) di F /dt i F (t) V fr t fr v F (t) 1 3 t di F /dt ( A/µs ) Fig. 1 Typical forward recovery voltage waveform when the diode is turned on with high di F/dt Fig. 11 Max. forward recovery voltage vs. rate of rise forward current, trapezoid pulse, T j = T jmax, t fr 1 µs I FM 1 i F (t) vf (t), if (t) - di F /dt -di F /dt = 2 A/µs v F (t) t rr 1 A/µs Q rr.2 I rrm I rrm.9 I rrm 2 A/µs V R 3 A/µs V rrm -1 t I FM ( A ) Fig. 12 Definition of reverse recovery parameters Fig. 13 Max. recovered charge vs. forward current,trapezoid pulse, T j = T jmax TS - DS/297/11d Apr-16 6 of 9

7 I FAV ( A ) I FM ( A ) P R E L I M I N A R Y SDF 63X y = y = f ( Hz ) Fig. 14 Average forward current vs. frequency, trapezoid waveform, T C = 8 C, di F/dt = 2 A/µs, V R = V f ( Hz ) Fig. 1 Maximum forward current vs. frequency, trapezoid waveform, T C = 8 C, di F/dt = 2 A/µs, V R = V Fig. 16 Definition of ED for typical welding sequence Fig. 17 Definition of I D for single-phase centre tap TS - DS/297/11d Apr-16 7 of 9

8 I D ( ka ) I D ( ka ) I D ( ka ) I D ( ka ) P R E L I M I N A R Y SDF 63X4 2 T 1 = 2 ms 2 T 1 = 2 ms 1 4 ms 1 4 ms 1 1 ms 2 ms 1 1 ms 2 ms 1 ms / DC 1 ms / DC Duty cycle ED ( % ) Duty cycle ED ( % ) Fig. 18 Current load capacity, cont., DC output welding current with single-phase centre tap vs. duty cycle f = 1 khz, square wave, T j = 8 C Fig. 19 Current load capacity, cont., DC output welding current with single-phase centre tap vs. duty cycle f = 1 khz, square wave, T j = 7 C T 1 = 2 ms 1 4 ms T 1 = 2 ms 1 1 ms 1 4 ms 2 ms 1 ms 1 ms / DC 2 ms 1 ms / DC Duty cycle ED ( % ) Duty cycle ED ( % ) Fig. 2 Current load capacity, cont., DC output welding current with single-phase centre tap vs. duty cycle f = 1 khz, square wave, T j = 6 C Fig. 21 Current load capacity, cont., DC output welding current with single-phase centre tap vs. duty cycle f = 1 khz, square wave, T j = 4 C TS - DS/297/11d Apr-16 8 of 9

9 P R E L I M I N A R Y SDF 63X4 Notes: TS - DS/297/11d Apr-16 9 of 9

TFI V DRM V DSM V RRM V RSM

TFI V DRM V DSM V RRM V RSM FAST SWITCHING THYRISTOR V DRM /V RRM = 2200 2400 V I T(AV) = 2500 A (T C = 80 C) I T(AV) = 3400 A (T C = 55 C) I TSM = 40 ka (T Vj = 125 C) Interdigitated amplifying gate Low on-state switching losses