The Ferrite Snap On Combo Pack is a convenient solution for troubleshooting RFI/EMI with various diameter cables ranging from 1/4″ to 3/4″ for use as either single turn or multiple turn ferrite chokes. The snap on chokes are useful for RF coax, AC/DC power cables, and device interconnection cables.
Always use a snap on with a larger inside diameter than the diameter of the cable and use multiple turns if possible (2 turns through the snap on is the same as 4 snap ons with 1 turns). Included in these combo packs are our most popular snap on sizes as follows:
This kit suppresses EMI and RFI generated from DC battery charger such as used on automotive batteries uo to 100 amps output.
Simple snap on the ferrite suppressors (1" hole size) onto the AC input using multiple turns through the center and do the same for the DC output cables. The more turns through the center the hiogher the RFI suppression.
Simple - Effective and Low Cost solution.to suppress charger noise fed back into AC power lines acting as RFI transmitting antennas!