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DCR1080G22 Datasheet(PDF) 6 Page - Dynex Semiconductor |
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DCR1080G22 Datasheet(HTML) 6 Page - Dynex Semiconductor |
6 / 10 page SEMICONDUCTOR DCR470G85 6/10 www.dynexsemi.com 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0 200 400 600 800 1000 1200 Mean on-state current, IT(AV) - (A) d.c. 180 120 90 60 30 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0 200 400 600 800 1000 Mean on-state current, IT(AV) - (A) d.c. 180 120 90 60 30 Fig.7 Maximum permissible case temperature, double side cooled – rectangular wave Fig.8 Maximum permissible heatsink temperature, double side cooled – rectangular wave 0 10 20 30 40 50 60 70 0.001 0.01 0.1 1 10 100 Time ( s ) Double Side Cooled Anode Cooled Cathode Cooled 1 2 3 4 Double side cooled Ri (°C/kW) 2.2995 5.4226 16.9074 2.1488 Ti (s) 0.0066401 0.0457025 0.4962482 1.8248 Anode side cooled Ri (°C/kW) 2.3214 5.2661 10.2686 34.8031 Ti (s) 0.0066948 0.045528 0.3484209 4.582 Cathode side cooled Ri (°C/kW) 2.4895 5.9105 7.4256 49.3432 Ti (s) 0.0070404 0.052895 0.3933903 4.2295 Zth = Á [Ri x ( 1-exp. (t/ti))] [1] ÁRth(j-c) Conduction Tables show the increments of thermal resistance Rth(j-c) when the device operates at conduction angles other than d.c. Double side cooling Anode Side Cooling Cathode Sided Cooling ÁZth (z) ÁZth (z) ÁZth (z) ° sine. rect. ° sine. rect. ° sine. rect. 180 4.15 2.72 180 4.15 2.72 180 4.13 2.71 120 4.90 4.02 120 4.89 4.02 120 4.87 4.00 90 5.74 4.79 90 5.73 4.78 90 5.69 4.76 60 6.53 5.65 60 6.52 5.65 60 6.46 5.60 30 7.16 6.64 30 7.15 6.62 30 7.07 6.56 15 7.46 7.18 15 7.44 7.16 15 7.36 7.09 Fig.9 Maximum (limit) transient thermal impedance – junction to case (°C/kW) |
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