adapter-on-rail_featured

Lesson Learned!

It is always interesting to talk to our customers. I enjoy the face-to-face meetings since the customer is my primary knowledge base about applications, problems, solutions, and – most of the time – compromises when it comes to applying a…

Effective Shielding of Cables Part 3

Foil Shields A foil shield consists of metallic foil, typically aluminum, laminated to a polyester or polypropylene film. Foil shields provide 100% coverage with the foil typically wrapped in overlapping layers around the cable core. The 100% coverage is a physical property and does not mean that a foil shield provides 100% EMI shielding. Foil shields are effective at shielding both high and low frequency interference. Foil shields are lighter weight, less bulky, and typically add less cost to a cable or wire assembly than braided or spiral shields. Foil shields may be more flexible than a braided shield but…