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//chapter15
//example15.12
//page334
T_Jmax=200 // degree celcius
T_amb1=25 // degree celcius
T_amb2=75 // degree celcius
theta=20 // degree celcius per watt
Vcc=4 // V
P_total1=(T_Jmax-T_amb1)/theta
Ic1=P_total1/Vcc
P_total2=(T_Jmax-T_amb2)/theta
Ic2=P_total2/Vcc
printf("for ambient = 25 degree C, allowed collector current = %.3f A \n",Ic1)
printf("for ambient = 75 degree C, allowed collector current = %.3f A \n",Ic2)
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