AC Bridge Rectifier and Resistor Connections

R=V/I

• V=Vac-Vf (LED Voltage Rating)
• I=If (LED Typical 0.02A)

To calculate Resistor Wattage please follow any of the links below:

• Resistor Quick Chart: http://www.trainsetelectronics.com/RDropLEDqc.htm

• Resistor Drop Calculator: http://www.trainsetelectronics.com/ResDrop.htm