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The maximum junction temperature of a transistor is TJ -150C and the ambient temperature is Ta = 25 lf the thermal impedances are RJC-0.4 C/W

The maximum junction temperature of a transistor is TJ -150°C and the ambient temperature is Ta = 25℃ lf the thermal impedances are RJC-0.4° C/W , Rcs = 0.1 ℃/W, and RSA = 0.5°C/W, calculate

(a) The maximum power dissipation.

(b) The case temperature.

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