Intended to establish contact between a PCB and a metallic housing, WE-SMGS from Würth Elektronik consists of an elastic temperature-resistant foam block surrounded by a tinned copper weave. They can be pick-and-placed as well as re-flow soldered to the PCB (so Wurth sees them as an alternative to WE-SECF contact fingers), and “after compression, they then ...

This story continues at Surface mount soft grounding cubes can be reflowed

Or just read more coverage at Electronics Weekly