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preci-dip

What are the most common and cost-effective pin retention designs?

December 1, 2016 By Mary Gannon Leave a Comment

pin retention designs

When selecting components for their applications, mechanical and electrical engineers, must understand some general guidelines for their PCB interconnect requirements. Below is a short list of nine of the most common and cost-effective pin retention designs and where they may be used. Press-Fit Barb — is specifically for non-plated through holes. This is the easiest and […]

Filed Under: Basics Tagged With: preci-dip, precidip

What are the benefits of screw machine interconnects?

November 28, 2016 By Mary Gannon Leave a Comment

Spectrum of screw machine interconnects

As Principal Engineer for a large connector manufacturer, each day I am challenged by electrical engineers and mechanical engineers to help bridge their leading edge technology from one module to another. I remember years ago, when the pin grid array went obsolete to the emerging QFP quad-flat pack, people said that “screw machine was a […]

Filed Under: Basics Tagged With: preci-dip, precidip

When should you use press-fit screw machine header pins?

November 22, 2016 By Mary Gannon 2 Comments

solder-feature

Continuing the discussion on screw machine technology, here is a look at this technology, the advantages of using it and how to best utilize this technology in your engineering projects. Below is a list of the common styles of press-fit screw machine header pins: Press-fit barb has a fishhook shaped feature, typically featuring 15° angle. It runs […]

Filed Under: Basics, Featured Tagged With: preci-dip

How are multi-finger contact clips used in screw machine receptacles?

September 27, 2016 By Mary Gannon Leave a Comment

multi-finger contact clips entry

Typically inside every screw machine socket receptacle is a precision die stamping called a contact clip. Contact clips are usually stamped using beryllium copper (for conductivity) or beryllium nickel (for elevated heat applications). These stampings are press-fit into machined brass shells and function as the electrical and mechanical interface to a mating pin. Contact clips […]

Filed Under: Basics Tagged With: preci-dip

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