Differential Line Filter Calculator

Enter the input voltage range and power rating, then choose the capacitor topology. The calculator suggests two-winding choke turns, core size, SWG, and X/Y capacitor values with manual override options.

01

Input rating

02

Filter topology

03

Manual parts

Automatic mode picks nearby standard X2 and Y2 capacitor values, ferrite toroidal or ferrite EE core size, and SWG. Manual mode lets you force standard values close to your stock.

Change any value after calculation to recalculate automatically.