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DTM4953BDY Datasheet(PDF) 6 Page - DinTek Semiconductor Co,.Ltd |
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DTM4953BDY Datasheet(HTML) 6 Page - DinTek Semiconductor Co,.Ltd |
6 / 9 page 6 THERMAL RATINGS (TA = 25 °C, unless otherwise noted) Normalized Thermal Transient Impedance, Junction-to-Foot Note • The characteristics shown in the two graphs - Normalized Transient Thermal Impedance Junction-to-Ambient (25 °C) - Normalized Transient Thermal Impedance Junction-to-Foot (25 °C) are given for general guidelines only to enable the user to get a “ball park” indication of part capabilities. The data are extracted from single pulse transient thermal impedance characteristics which are developed from empirical measurements. The latter is valid for the part mounted on printed circuit board - FR4, size 1" x 1" x 0.062", double sided with 2 oz. copper, 100 % on both sides. The part capabilities can widely vary depending on actual application parameters and operating conditions. 10-3 10-2 110 10-1 10-4 2 1 0.1 0.01 0.2 0.1 0.05 0.02 Single Pulse Duty Cycle = 0.5 Square Wave Pulse Duration (s) www.din-tek.jp DTM4953BDY |
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