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Phone connector

A sturdy male connector compatible with audio accessories, particularly for insertion of microphone and headphone cables.
1677px Ts 0.25inch Mono Plug

A phone connector, also known as phone jack, audio jack, headphone jack or jack plug, is a family of electrical connectors typically used for analog audio signals.

The phone connector was invented for use in telephone switchboards in the 19th century and is still widely used.

The phone connector is cylindrical in shape, with a grooved tip to retain it. In its original audio configuration, it typically has two, three, four and, occasionally, five contacts. Three-contact versions are known as TRS connectors, where T stands for "tip", R stands for "ring" and S stands for "sleeve". Ring contacts are typically the same diameter as the sleeve, the long shank. Similarly, two-, four- and five- contact versions are called TS, TRRS and TRRRS connectors respectively. The outside diameter of the "sleeve" conductor is 6.35 millimetres (1⁄4 inch). The "mini" connector has a diameter of 3.5 mm (0.14 in) and the "sub-mini" connector has a diameter of 2.5 mm (0.098 in).

Key Terms

audio jack
connector
contacts
definition
diameter
mm
phone connector
phone jack
sleeve
usage

Additional Resources

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Acronymn

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Synonymns

Phone connector
Phone plug

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Sources & Credits

Last modified on September 22 2019
Content adapted from Wikipedia
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