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STTH112RL Datasheet(PDF) 3 Page - STMicroelectronics |
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STTH112RL Datasheet(HTML) 3 Page - STMicroelectronics |
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3 / 7 page ![]() STTH112 Electrical characteristics 3/7 Figure 3. Relative variation of thermal impedance junction ambient versus pulse duration (epoxy FR4, Lleads = 10mm) (DO-41). Figure 4. Relative variation of thermal impedance junction ambient versus pulse duration (epoxy FR4) (SMA). 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 T δ=tp/T tp t (s) p δ = 0.5 δ = 0.2 δ = 0.1 Single pulse 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 T δ=tp/T tp t (s) p δ = 0.5 δ = 0.2 δ = 0.1 Single pulse Figure 5. Relative variation of thermal impedance junction ambient versus pulse duration (epoxy FR4)(SMB). Figure 6. Thermal resistance junction to ambient versus copper surface under each lead (epoxy printed circuit board FR4, copper thickness: 35 µm) (DO-41, SMB). Figure 7. Thermal resistance junction to ambient versus copper surface under each lead (epoxy printed circuit board FR4, copper thickness: 35 µm) (SMA). 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 Z/R th(j-c) th(j-c) T δ=tp/T tp t (s) p δ = 0.5 δ = 0.2 δ = 0.1 Single pulse R (°C/W) th(j-a) 0 10 20 30 40 50 60 70 80 90 100 110 012 34567 89 10 S(cm²) DO-41 L =10mm leads SMB R (°C/W) th(j-a) 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 S(cm²) SMA |
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