A transistor has a power rating of 8 W for a case temperature of 25°C. If derating factor is 30 mW/°C, the power rating for 55°C, case temperature is

A transistor has a power rating of 8 W for a case temperature of 25°C

1.	A transistor has a power rating of 8 W for a case temperature of 25°C. If derating factor is 30 mW/°C, the power rating for 55°C, case temperature is
A.	8 W
B.	7.5 W
C.	7.1 W
D.	6.8 W
Answer» D. 6.8 W