04-18-2013, 08:49 PM
Jerry, Pith
This resistor will dissipate exactly 0.3W. Choose your wattage the way you see fit
The Voltage at the top of the divider is about 250V.
The 32K resistor will drop 97.5V.
The dissipated wattage is U-square / R = (97.5*97.5)/32,000=0.29 W
This resistor will dissipate exactly 0.3W. Choose your wattage the way you see fit
The Voltage at the top of the divider is about 250V.
The 32K resistor will drop 97.5V.
The dissipated wattage is U-square / R = (97.5*97.5)/32,000=0.29 W