These small cylindrical connectors are one standard for supplying DC power. We’ve got a range of sizes available in both male and female terminations.
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14 Items

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  1. Female DC Barrel Jack Adapter (2.1mm)
    Rating:
    100% of 100
    SKU: CE08698 Brand: Core Electronics
    Level up your prototyping with an easy to use DC Barrel Jack Adapter!
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    72 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  2. Male DC Barrel Jack Adapter (2.1mm)
    Rating:
    100% of 100
    SKU: CE08794 Brand: Core Electronics
    Level up your prototyping with an easy to use Male DC Barrel Jack Adapter!
    - +

    31 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  3. 9V Battery Clip to 2.1mm Barrel Jack Adapter
    Rating:
    100% of 100
    SKU: CE04815 Brand: Core Electronics
    This adapter consists of a 9V battery clip and a standard 5.5*2.1mm center positive barrel jack, it applied to power any device needs 9V input voltage...
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    11 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  4. 30 Piece 5.5 / 2.1mm to DC Barrel Jack Adapter Kit
    SKU: ADA5474 Brand: Adafruit
    We have a lot of power adapter packs in the shop - from 9V to 12V to 5V we even have an adjustable power supply like one of these. But all of them will...

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  5. In-line power switch for 2.1mm barrel jack
    Rating:
    100% of 100
    SKU: ADA1125 Brand: Adafruit
    Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll want to pick...
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    5 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  6. DC Barrel Jack Adapter - Breadboard Compatible
    Rating:
    93% of 100
    SKU: PRT-10811 Brand: Sparkfun
    This DC power jack/connector is just like the other one that we carry except that it’s terminated with breadboard-friendly pins instead of wide solder terminals. These are also compatible with our DC wall supplies and have a 5mm jack, with a 2.1mm center pole diameter.
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    4 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  7. Panel Mount 2.1mm DC barrel jack
    SKU: ADA610 Brand: Adafruit
    This power jack is designed to easily attach to a panel up to 8mm thick (0.315" or 5/16") and fit 2.1mm power plugs snugly and securely. Perfect for adding a power...
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    4 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  8. DC Barrel Jack Plug - Male
    Rating:
    100% of 100
    SKU: PRT-11476 Brand: Sparkfun
    This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.
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    3 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  9. 5.5/2.1mm DC to Type-C Adapter
    Rating:
    100% of 100
    SKU: FIT0784 Brand: DFRobot
    This is a DC 5.5mm*2.1mm female to USB Type-C male power adapter plug that can power your mobile phones, tablets, Raspberry Pi, and Lattepanda devices. Note: This...
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    1 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  10. Barrel Jack Adapter - USB to 5.5mm
    SKU: TOL-08639 Brand: Sparkfun
    This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB port on a computer, laptop, or on our cigarette power supply to provide our development boards with 5V.
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    1 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  11. Breadboard-friendly 2.1mm DC barrel jack
    Rating:
    100% of 100
    SKU: ADA373 Brand: Adafruit
    This power jack is designed to fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project. Adafruit went for the more expensive "thin...
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    8 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  12. 9V to Barrel Jack Adapter
    SKU: FIT0131 Brand: DFRobot
    This simple cable has so many uses! Plug a 9V battery into one end and connect the other end to anything with a 5.5x2.1mm, center-positive barrel jack.
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 10 to 16 day lead time
  13. DC Barrel Jack Adapter - Female
    Rating:
    100% of 100
    SKU: FIT0151 Brand: DFRobot
    This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack.
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    34 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd
  14. Round Panel Mount 5.5mm/2.1mm DC Barrel Jack Extension Cable - 30cm long
    SKU: ADA5607 Brand: Adafruit
    If you need to add a panel-mount connection for DC power, but don't have the time or ability to cut a custom oval or square hole, this Round Panel...
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    2 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Apr 23rd

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