Coax Cable–How Much to Bend?

Have you ever wondered how much you are allowed to bend coax cable before it becomes compromised? You are not alone. Things to consider are:

  • compromising the shield effectiveness
  • the list goes on.

NASA did a study (released in 2002) and has published specifications on this. They defined a maximum bend radius as a function of cable diameter. Please see below.

There are two sets defined based on the composition of Kapton or not.