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3D3DGold-plated wire-wrap IC socket.
This is a socket used to hold a 14-pin DIP integrated circuit package. The long pins are gold-plated to provide a good, non-tarnishing electrical contact with wires wrapped around them. This type of socked is used to build prototypes of new circuit designs. Instead of soldering the socket to a printed circuit board, a special tool is used to wrap the end of a jumper wire many times around the pin. Fancy versions of the tool feed, strip, and cut wire the as you use them, allowing you to go from one pin to another quickly, wrapping bare wire around each pin. Less fancy versions (like the kind I used long ago), require you to cut the wire to length, strip about an inch of insulation off it, then stick the wire into the tool. This takes longer, but not nearly as long as making a custom circuit board for a design that might not even work.
Source: eBay seller rbcybertech
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $2
Size: 1"
Purity: <1%