All Products

SKU: AF-4287

A push-fit DC barrel jack adapter that converts a 3.5/1.1 mm DC plug to the standard 5.5/2.1 mm DC barrel jack format. Simply push it onto the smaller plug until it clicks into place — no soldering or tools required. Key Features Click-Fit Connection – Push onto the plug until it clicks secure...

SKU: SF-COM-11707

Do you fear that your power may not be “far reaching” enough? How would another 6' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 6' of power cable is exactly what your project needs. Don’t hack apart a nice clean barrel jack connection just because it won’t reach, ...

SKU: DF-FIT0131

A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack. Plug a 9V battery into one end and connect the other to any device with an onboard barrel jack — ideal for powering Arduinos, development boards, and evaluation boards from battery. Key Features 9V Battery Snap – S...

SKU: AF-1352

A simple 1-to-4 DC barrel jack splitter that lets you power four devices from a single DC power adapter. Features standard 5.5mm/2.1mm barrel connectors with rugged moulded construction. Plug your existing DC power supply into the input jack, and get four identical output plugs ready to connect ...

SKU: SF-PRT-10811

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 5.5mm jack, with a 2.1mm center pole diameter.Documents:Dimensional Drawing

SKU: AF-5328

Turn any USB Type C device into a pluggable USB key with this 'plug to plug' adapter. Works with any computer/laptop with a USB type C port.If you want a small, cable-less way to connect our modern USB C devices, this little dongle will do the job nicely. It's quite simple - you've got your USB C...

SKU: LB-LR0296

A 9V battery clip adapter with a standard 5.5 × 2.1 mm centre-positive barrel jack. Use it to power any device that accepts 9V input through an onboard barrel jack connector. Key Features 9V Battery Snap – Standard clip fits all 9V batteries Barrel Jack Output – 5.5 × 2.1 mm centre-positive c...

SKU: SF-PRT-13126

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.

SKU: SF-PRT-11476

This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm 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.Do...

SKU: AF-5917 · MPN: ADA5917

A 5.5×2.1mm DC barrel polarity reversing cable that swaps centre-negative to centre-positive (or vice versa). Simply plug it inline between your DC power supply and device to reverse the polarity — no rewiring required. This is useful for powering devices that use centre-negative barrel jacks (s...

SKU: AF-3546

A passive adapter with a 1st-generation MagSafe plug on one end and a 5.5 mm / 2.1 mm DC barrel jack (centre-positive) on the other. It lets you connect a 15–20 VDC barrel-jack power supply to devices that use the original MagSafe connector — useful for bench testing, custom power setups, or repl...

SKU: AF-4536

A simple adapter that converts a standard 2.1 mm DC barrel jack into a USB-C plug, letting you power USB-C devices from common 5 V barrel-jack wall adapters. Plug it onto the end of your existing power supply and connect straight to a Raspberry Pi 4 or any USB-C device that runs on 5 V without US...

SKU: AF-5457

This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc), and it will give you a higher DC voltage! It's a handy way to power a 9V or 12V device. Unlike our other 'USB booster' cables, this one comes with ...

SKU: AF-2697

This USB to 2.1 mm barrel jack cable lets you power 5 V DC devices from any USB port. Simply connect the USB-A end to a computer, USB wall adapter, or USB battery pack, and the barrel jack end to your device. At 1 metre long with 22 AWG wires, it handles higher current draws reliably. The barrel...

SKU: AF-5461

This compact microadapter converts a USB Type-A port into a USB-C socket, letting you connect USB-C cables to older computers, laptops, and hubs that only have USB-A ports. The adapter supports USB 1.1 and USB 2.0 data transfer (no USB 3.0 pins). It provides standard 5 V power at up to 1 A — not...

SKU: AF-2910

This super slim, super tiny, and super cute Micro-B to USB on-the-go adapter is so slim, tiny, and cute that we'd pinch its cheeks if it was big enough to have cheeks.  At just ~15.5mm long, ~11.3mm wide, and ~2mm, this really is the tiniest little adapter we've probably ever seen.But d...

SKU: AF-798

Warning: This is a US-plug adapter and is not certified for use in Australia. Only purchase if you are using it outside Australia or with an appropriate plug adapter. A regulated 12V DC switching power adapter delivering up to 1000mA (1A). The slim profile fits into power strips without blocki...

SKU: AF-248

A 6×AA battery holder with a 5.5mm/2.1mm DC barrel plug, ready to power Arduino boards and other electronics with a standard DC jack. Use alkaline AAs for approximately 9V at 3000–4000mAh, or rechargeable NiMH cells for 7.2V at ~2000mAh. The 9V alkaline output is ideal for boards with a 5V volta...

SKU: AF-1466

This UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 4A (4,000mA / 20W) via a standard 5.5×2.1mm centre-positive DC barrel jack. It accepts 110–240V AC input and is ideal for powering LED matrices, NeoPixel strips, and other high-current 5V projects. Key Featur...

SKU: LB-LR0294

A simple 6-cell AA battery holder with a 125mm (5") cable terminated with a standard 5.5×2.1mm centre-positive barrel jack connector. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells, ready to plug directly into devices with a standard DC barrel jack ...