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STPS2045CT Folha de dados(PDF) 3 Page - STMicroelectronics |
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STPS2045CT Folha de dados(HTML) 3 Page - STMicroelectronics |
3 / 7 page 1E-3 1E-2 1E-1 1E+0 0 20 40 60 80 100 120 140 t(s) IM(A) Tc=100 °C Tc=75 °C Tc=125 °C IM t δ=0.5 Fig. 3-1: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) (TO-220AB and D 2PAK). 1E-4 1E-3 1E-2 1E-1 1E+0 0.0 0.2 0.4 0.6 0.8 1.0 tp(s) Zth(j-c)/Rth(j-c) T δ=tp/T tp Single pulse δ = 0.1 δ = 0.2 δ = 0.5 Fig. 4-1: Relative variation of thermal transient impedance junction to case versus pulse duration (TO-220AB and D 2PAK). 0 25 50 75 100 125 150 175 0 2 4 6 8 10 12 Tamb( °C) IF(av)(A) Rth(j-a)=15 °C/W Rth(j-a)=Rth(j-c) TO-220AB D PAK ISOWATT220AB T δ=tp/T tp Fig. 2: Average current versus ambient temperature ( δ=0.5, per diode). 1E-3 1E-2 1E-1 1E+0 0 20 40 60 80 100 Tc=100 °C Tc=75 °C Tc=125 °C t(s) IM(A) IM t δ=0.5 Fig. 3-2: Non repetitive surge peak forward current versus overload duration (maximum values, per diode) (ISOWATT220AB). 1E-3 1E-2 1E-1 1E+0 1E+1 0.0 0.2 0.4 0.6 0.8 1.0 tp(s) Zth(j-c)/Rth(j-c) T δ=tp/T tp Single pulse δ = 0.1 δ = 0.2 δ = 0.5 Fig. 4-2: Relative variation of thermal transient impedance junction to case versus pulse duration (ISOWATT220AB). 0123 45678 9 10 11 12 0 1 2 3 4 5 6 7 8 IF(av) (A) PF(av)(W) T δ=tp/T tp δ =1 δ = 0.5 δ = 0.2 δ = 0.1 δ = 0.05 Fig. 1: Average forward power dissipation versus average forward current (per diode). STPS2045CT/CF/CG 3/7 |
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