Its actually RF (3-7 MHz) range signals. The device needs to be able to be supported either plugging in stacked, or mounted remote and then its a cable. Its sort of an industry standard for this type of product, so we are "stuck" with using RCA. The alignment issue is taken care of by the plastic guides but true there are forces involved so that will be addressed mechanically. Dave Tweed wrote: alan smith wrote: > What I need is the plug....in a pcb mount. The application is two boards > are plugging together....think like a smoke alarm setup, where the device > plugging into the other board needs the male plug to mate to the female > (where you can get them everywhere) recepticle. Cables are not an option > in this case. What sort of signal is it carrying? Are the two boards going to be coplanar (edge-to-edge) or stacked (face-to-face)? The reason you're having so much trouble is that RCA makes a really terrible board-to-board connector, because of the high friction and high forces involved, and poor tolerance for misalignment. It's really, really intended only for cable-to-chassis connections. Even PCB mount versions should have the mechanical forces transferred directly to the chassis via one or more screws. There's got to be a better (and probably cheaper) choice for your task. What's wrong with ordinary 2-pin male/female headers? -- Dave Tweed -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist