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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20 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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    73 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 Dec 24th
  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!
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    26 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 Dec 24th
  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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    15 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 Dec 24th
  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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    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 7 to 12 day lead time
  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 Dec 24th
  6. DC Barrel Jack Adapter - Breadboard Compatible
    Rating:
    94% 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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    14 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 Dec 24th
  7. Panel Mount 2.1mm DC barrel jack
    Rating:
    100% of 100
    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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    29 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 Dec 24th
  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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    18 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 Dec 24th
  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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    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 8 to 12 day lead time
  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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    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 Dec 24th
  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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    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 Dec 24th
  12. DC Barrel Jack Plug - Female
    SKU: PRT-13126 Brand: Sparkfun
    This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.

    Out of Stock

    Sign up to get notified when it's available to order.

  13. 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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    49 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 Dec 24th
  14. 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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    40 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 Dec 24th
  15. DC Power Adapter Barrel Jack
    SKU: POLOLU-1139 Brand: Pololu
    This is a standard PCB-mountable barrel-type jack for DC power adapters with 2.1 mm center holes.
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    6 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 Dec 24th
  16. 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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    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 Dec 24th
  17. USB Type C PD to 5.5mm/2.1mm Barrel Jack Adapter - 12V
    SKU: ADA6032 Brand: Adafruit
    This convenient adapter lets you plug a USB Type C 3.1 5V cable into something with a 5.5mm / 2.1mm DC barrel socket.Works great with any device or cable...
    Special Price $3.51 AUD, inc GST
    Regular Price $4.67 AUD, inc GST
    - +

    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 8 to 12 day lead time
  18. USB Type C PD to 5.5mm/2.1mm Barrel Jack Adapter - 9V
    SKU: ADA6031 Brand: Adafruit
    This convenient adapter lets you plug a USB Type C 3.1 5V cable into something with a 5.5mm / 2.1mm DC barrel socket.Works great with any device or cable...
    Special Price $3.51 AUD, inc GST
    Regular Price $4.67 AUD, inc GST
    - +

    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 8 to 12 day lead time
  19. USB Type C PD to 5.5mm/2.1mm Barrel Jack Adapter - 5V
    SKU: ADA6030 Brand: Adafruit
    This convenient adapter lets you plug a USB Type C 3.1 5V cable into something with a 5.5mm / 2.1mm DC barrel socket.Works great with any device or cable...
    Special Price $3.51 AUD, inc GST
    Regular Price $4.67 AUD, inc GST

    Out of Stock

    Sign up to get notified when it's available to order.

  20. USB Type C PD to 5.5mm/2.1mm Barrel Jack Adapter - 20V
    SKU: ADA6033 Brand: Adafruit
    This convenient adapter lets you plug a USB Type C 3.1 5V cable into something with a 5.5mm / 2.1mm DC barrel socket.Works great with any device or cable...
    Special Price $3.51 AUD, inc GST
    Regular Price $4.67 AUD, inc GST
    - +

    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 8 to 12 day lead time

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