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STTH102 Fiches technique(PDF) 3 Page - STMicroelectronics |
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STTH102 Fiches technique(HTML) 3 Page - STMicroelectronics |
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3 / 7 page ![]() STTH102 Characteristics 3/7 Figure 3. Average forward current versus ambient temperature ( δ = 0.5) (SMA) Figure 4. Average forward current versus ambient temperature ( δ = 0.5) (DO-41) I (A) F(AV) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 25 50 75 100 125 150 175 R =120°C/W th(j-a) R=R th(j-a) th(j-I) T δ=tp/T tp T (°C) amb 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 25 50 75 100 125 150 175 I (A) F(AV) R =110°C/W th(j-a) R=R th(j-a) th(j-I) T δ=tp/T tp T (°C) amb Figure 5. Relative variation of thermal impedance junction to ambient versus pulse duration (epoxy printed circuit board, e(Cu) = 35 µm, recommended pad layout) (SMA) Figure 6. Relative variation of thermal impedance junction to ambient versus pulse duration (DO-41) Z/R th(j-c) th(j-c) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 δ = 0.5 δ = 0.2 δ = 0.1 Single pulse T δ=tp/T tp t (s) p 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 δ = 0.5 δ = 0.2 δ = 0.1 Single pulse Z/R th(j-c) th(j-c) T δ=tp/T tp t (s) p Figure 7. Forward voltage drop versus forward current Figure 8. Junction capacitance versus reverse voltage applied (typical values) 0.1 1.0 10.0 100.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 I (A) FM V (V) FM T =125°C (maximum values) j T =125°C (typical values) j T =25°C (maximum values) j 1 10 100 1 10 100 1000 C(pF) F=1MHz V =30mV T =25°C OSC RMS j V (V) R |
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