5SDF 0131Z0401. High Frequency Housingless Welding Diode. I FAVm = A I FSM = A V TO = V Applications r T = m.

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1 5SDF 131Z41 5SDF 131Z41 High Frequency Housingless Welding Diode Properties Key Parameters High forward current capability V RRM = 4 V Low forward and reverse recovery losses I FAVm = A I FSM = 7 A V TO =.977 V Applications r T =.22 m Welding equipment High current application up to 1 khz Types V RRM 5SDF 131Z41 Conditions: 4 V T j = C, half sine waveform, f = 5 Hz Mechanical Data F m Mounting force 35 7 kn m Weight.14 kg D S Surface creepage distance 2 mm D a Air strike distance 2 mm Fig. 1 Case ABB s.r.o. Novodvorska 1768/138a, Praha 4, Czech Republic tel.: , TS - DS/326/14 Jan-14 1 of 7

2 5SDF 131Z41 Maximum Ratings Maximum Limits Unit V RRM Repetitive peak reverse voltage T j = C 4 V I FAVm Average forward current T c = 85 C A T c = 11 C I FRMS RMS forward current T c = 85 C A T c = 11 C 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 75 A t p = 1 ms 7 t p = 8.3 ms A 2 s t p = 1 ms 24 5 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.977 V r T Forward slope resistance I F1 = 1 A, I F2 = 3 A.22 m V FM Maximum forward voltage I FM = 8 A 1.14 V I FM = 1 A 1.19 Q rr Recovered charge I FM = 2 A, di/dt = -3 A/ s, V R = 5 V Unless otherwise specified T j = 19 C 3 C TS - DS/326/14 Jan-14 2 of 7

3 Transient thermal impedance junction to case Z thjc ( K/kW ) 5SDF 131Z41 Thermal Parameters Value Unit R thjc R thch Thermal resistance junction to case Thermal resistance case to heatsink double side cooling 3.9 K/kW anode side cooling 5.2 cathode side cooling 15.1 double side cooling 2.6 K/kW anode side cooling 4.7 cathode side cooling 5.8 Transient Thermal Impedance Analytical function for transient thermal impedance Z thjc 4 i 1 R (1 exp( t / )) i i i i ( s ) R i ( K/kW ) Conditions: 5 F m = 35 kn, Double side cooled 3 2 Correction for periodic waveforms 18 sine:.9 K/kW 12 sine: 1.2 K/kW 6 sine: 2.2 K/kW 18 rectangular:.8 K/kW 12 rectangular: 1.2 K/kW 6 rectangular: 2.2 K/kW Fig Square wave pulse duration t d ( s ) Dependence transient thermal impedance junction to case on square pulse TS - DS/326/14 Jan-14 3 of 7

4 I FSM ( ka ) i 2 dt (1 6 A 2 s) I FSM ( ka ) I F ( A ) 5SDF 131Z41 35 T j = 19 C V F ( V ) Fig. 3 Maximum forward voltage drop characteristics i 2 dt V R = V I FSM 1 2 V R.5 V RRM t ( ms ) Number n of cycles at 5 Hz Fig. 4 Surge forward current vs. pulse length, half sine wave, single pulse, Fig. 5 Surge forward current vs. number of pulses, half sine wave, T j = T jmax V R = V, T j = T jmax TS - DS/326/14 Jan-14 4 of 7

5 T C ( C ) T C ( C ) P T ( W ) P T ( W ) 5SDF 131Z41 25 y = y = Fig. 6 Forward power loss vs. average forward current, sine waveform, f = 5 Hz, T = 1/f Fig. 7 Forward power loss vs. average forward current, square waveform, f = 5 Hz, T = 1/f y = y = Fig. 8 Max. case temperature vs. aver. forward current, sine waveform, f = 5 Hz, T = 1/f Fig. 9 Max.case temperature vs. aver. forward current, square waveform, f = 5 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 = 5 or 6 Hz operation. TS - DS/326/14 Jan-14 5 of 7

6 5SDF 131Z41 2 Q rr ( µc ) vf (t), if (t) V fr ( V ) di F /dt i F (t) V fr 5 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 5 A/µs I rrm 5 Q rr.25 I rrm.9 I rrm V R 2 A/µs 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/326/14 Jan-14 6 of 7

7 I FM ( A ) 5SDF 131Z y = y = f ( Hz ) Fig. 14 Average forward current vs. frequency, trapezoid waveform, T C = 85 C, di F /dt = 2 A/µs, V R = 5 V f ( Hz ) Fig. 15 Maximum forward current vs. frequency, trapezoid waveform, T C = 85 C, di F /dt = 2 A/µs, V R = 5 V Notes: TS - DS/326/14 Jan-14 7 of 7