Hello,
I'm new here. I am designing a simple circuit to run 6 LEDs off AC current (110 - 120V, 60hz). The LEDs have a Vf of 3.3 and 30ma. I want to use a capacitor to limit the voltage to the LEDS. How do I calculate the size of capacitor I need? I have seen the formula C=1/(2*pi*f*X). Is X the resistance needed in the circuit? So I just find out what resistance I need using R=V/I, plug that in for X, and solve for C?
Thanks for the help.
I'm new here. I am designing a simple circuit to run 6 LEDs off AC current (110 - 120V, 60hz). The LEDs have a Vf of 3.3 and 30ma. I want to use a capacitor to limit the voltage to the LEDS. How do I calculate the size of capacitor I need? I have seen the formula C=1/(2*pi*f*X). Is X the resistance needed in the circuit? So I just find out what resistance I need using R=V/I, plug that in for X, and solve for C?
Thanks for the help.