Power Line Common Mode Chokes/Filters Product Top Page Search by Part No. Search by Characteristics Catalog Tech Notes Technical Support Tools EMC Testing Services If you are considering conducting EMC testing, click here for the application page. Sample Kits (Power Line Chokes) A short description of each sample kit and detailed information from PDF files. Sample kits are available to place an order through the distributor's web site. EPCOS Design Tools Design tools and simulation models for EPCOS brand components