(=> (Maximum-Power-Dissipation $X $Y) (Power-Quantity $Y)) (=> (Maximum-Power-Dissipation $X $Y) (Semiconductor $X)) (Maximum-Power-Dissipation Lm383-7-Watt-Audio-Power-Amplifier (* 15 Watt)) (Maximum-Power-Dissipation Lm383a-7-Watt-Audio-Amplifier (* 15 Watt))