DC Power Adapter Barrel Jack

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€0.85
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Quick Overview

This is a standard PCB-mountable barrel-type jack for DC power adapters with 2.1 mm center holes.
DC Power Adapter Barrel Jack

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  • DC Power Adapter Barrel Jack
  • DC Power Adapter Barrel Jack

Details

This is a standard PCB-mountable barrel-type jack for DC power adapters with 2.1 mm center holes.

Dimensions (in mm) for the DC power adapter barrel jack.

The jack has three pins: pin 1 comes out of the back of the jack and is connected to the center pole, pin 2 comes out of the bottom of the jack and is connected to the side wall, and pin 3 comes out the side of the jack and is automatically switched based on whether there is anything plugged into the jack. With nothing plugged into the jack, pins 2 and 3 are shorted together; with an adapter plugged into the jack, pin 3 is disconnected. This feature makes it easy to create a system that is powered by a wall adapter when one is plugged into the jack and by a battery the remainder

Additional Information

SKU ES001419
Manufacturer Pololu

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