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BAT54CKFILM Fiches technique(PDF) 4 Page - STMicroelectronics |
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BAT54CKFILM Fiches technique(HTML) 4 Page - STMicroelectronics |
4 / 13 page Characteristics BAT54 Series 4/13 Figure 7. Thermal resistance junction to ambient versus copper surface under each lead - epoxy FR4 with recommended pad layout, eCU = 35 µm (SOD-323) Figure 8. Relative variation of thermal impedance junction to ambient versus pulse duration - epoxy FR4 with recommended pad layout, eCU = 35 µm (SOD-323) 200 300 400 500 600 0 5 10 15 20 25 30 35 40 45 50 R th(j-a)(°C/W) Epoxy FR4 e CU=35 µm SCU(mm²) 1.E-03 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 Z th(j-a)/Rth(j-a) Single pulse SOD323 Epoxy FR4 S CU=2.25 mm² e CU=35 µm tP(s) Figure 9. Relative variation of thermal impedance junction to ambient versus pulse duration - aluminium oxide substrate 10 mm x 8 mm x 0.5 mm (SOT-23) Figure 10. Relative variation of thermal impedance junction to ambient versus pulse duration - epoxy FR4 with recommended pad layout, eCU = 35 µm (SOD-523) Figure 11. Relative variation of thermal impedance junction to ambient versus pulse duration - epoxy FR4 with recommended pad layout, eCU = 35 µm (SOT-666) 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 Z th(j-a)/Rth(j-a) Alumine substrate 10 x 8 x 0.5 mm Single pulse SOT23 tP(s) 1.E-03 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 Z th(j-a)/Rth(j-a) Single pulse SOD523 Epoxy FR4 e CU=35 µm tP(s) 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 Z th(j-a)/Rth(j-a) Single pulse SOT666 Epoxy FR4 e CU=35 µm tP(s) |
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