Replacement of Common Mode Choke

Johanson replacement of Common Mode Choke

When a designer wants to pass a low frequency differential signal, and to reject a high frequency common mode and differential noise, Johanson's EMI Filter is an unparalleled solution in replacing common mode choke. It is more cost effective, much smaller in size, and offers better performance and reliability. Try out Johanson's S21 Plotter, an online tool for designers to quickly select different values or sizes and see the responses of each configuration:
For more information on the basics of replacing Common Mode Chokes with an EMI Filter, check out our app note:
For inquiries, contact us at,
or contact our EMI Filter Product Manager, Christophe Cambrelin at:This email address is being protected from spambots. You need JavaScript enabled to view it..