Barrel Connector Basics


Barrel Plug Basics


2-Conductor Mono TS Plug (Tip & Sleeve)
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3-Conductor Stereo TRS Plug (Tip, Ring, & Sleeve)
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TRS Phone Plug with Internal Jack Wiring Diagram
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Barrel Jack Basics & Switch Functionality

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TS Jack for Mono application. Tip is Open Circuit meaning it does not contain a switch.


TS Jack for Mono application. Tip is Closed Circuit meaning the tip contains a normally closed switch that opens when mated.


TRS Jack for Stereo application. Tip and Ring are Open Circuit meaning they do not contain a switch.


TS Jack for Mono application. Tip is Open Circuit meaning it does not contain a switch. Isolate Make Circuit is an isolated normally open switch that closes when mated.


TRS Jack for Stereo application. Tip is Closed Circuit meaning the tip contains a normally closed switch that opens when mated. Ring is Open Circuit meaning it does not contain a switch.


TS Jack for Mono application. Tip has one Open Circuit meaning it does not contain a switch and also one Closed Circuit which contains a normally closed switch that opens when mated.


TS Jack for Mono application. Tip is Open Circuit meaning it does not contain a switch. Isolated Break Circuit is an isolated normally closed switch that opens when mated.


TRS Jack for Stereo application. Tip is Open Circuit meaning it does not contain a switch. Ring is Closed Circuit meaning the ring contains a normally closed switch that opens when mated.


TRS Jack for Stereo application. Both Tip and Ring are Closed Circuit meaning the tip and ring each contain a normally closed switch that opens when mated.


Reference - https://www.switchcraft.com/assets/1/24/110x-m110x_series_cd.pdf?5406

See also:
Stereo Vs. Mono: 1/4” Guitar Cable Keyboard Drum & PA
Guitar Headphone Adapter (1/4” to 1/8”)
DigiKey Barrel Power Connectors
DigiKey Barrel Power Cables
DigiKey Barrel Audio Connectors
DigiKey Barrel Audio Cables
DigiKey Barrel Adapters

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