All Products

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: SF-TOL-08639

A USB-A to 5.5 × 2.1 mm barrel jack adapter cable for powering development boards and small devices from any USB port. Centre-positive polarity, delivering up to 5 V at 500 mA (per USB specification). Specifications Input – USB-A male plug Output – 5.5 × 2.1 mm barrel jack, centre positive V...

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-2777

This USB to DC booster cable has an integrated boost converter that steps up 5V USB power to 9V DC, output through a centre-positive 2.1 mm barrel jack. It's a convenient way to power 9V devices from any USB port — whether from a computer, USB wall charger, or battery pack. Rated for 500 mA cont...

SKU: AF-5449

A USB Type-C Power Delivery (PD) cable that converts any PD-capable USB-C power adapter into a 9V DC barrel jack output at up to 5A. The built-in PD sink negotiation chip communicates with your adapter to request 9V output, while an EMARK chip enables full 5A high-current delivery as required by ...

SKU: SF-COM-11706

Do you fear that your power may not be “far reaching” enough? How would another 3' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 3' 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: AF-5607

A panel-mount DC barrel jack extension cable that lets you add a clean, professional power input to any enclosure — without cutting custom-shaped holes. The round flange means you only need a standard 1″ (25 mm) drilled hole. Unscrew the plastic nut, insert through the panel, and tighten. Done. ...

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: AF-2727

This adapter cable converts a 5.5mm/2.1mm DC barrel jack power supply to a Micro USB plug, allowing you to power Micro USB devices from a standard barrel jack power adapter. The barrel jack end is centre-positive polarity. It works great for powering Arduinos, BeagleBones, Raspberry Pis, Android...

SKU: SF-PRT-10287

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 male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution.

SKU: AF-6265 · MPN: ADA6265

This USB C PD to 2.1mm Cable with Selectable Voltage Button will help you get the most out of your USB C Power Delivery wall warts by letting you select any of the available voltages to power a device that expects a 5.5mm outer diameter / 2.1mm inner diameter DC plug. Now you can get rid of all t...

SKU: SS-110990161

A handy assortment of six power connector adaptors and converters for prototyping, electronics projects, and bench setups. This pack covers the most common power connector types — barrel jack, BNC, JST, and screw terminal — so you can quickly adapt between different power sources and devices. Pa...

SKU: AF-5474

A comprehensive set of 30 barrel jack plug adapters that convert a standard 5.5mm / 2.1mm DC jack to a wide variety of other tip sizes. Perfect for powering devices that use non-standard barrel connectors from your existing DC power supplies, USB-C to DC cables, or battery packs. Each adapter pl...

SKU: LB-LS1832

Create a USB powered device.  This 1 meter cable can be soldered to your project to provide 5v of power. 

SKU: AF-1351

A simple 2-way DC barrel jack splitter that lets you power two devices from a single power adapter. Plug in one standard 5.5mm/2.1mm DC barrel jack and get two identical outputs — perfect for powering multiple boards or accessories from a single supply. Key Features 1-to-2 Splitter – One DC ba...

SKU: DF-FIT0043

The second version of the 9V to Barrel Jack Adapter, now featuring a hard plastic battery snap for easier connection and disconnection. Plug a 9V battery into one end and connect the other to any device with a 5.5 × 2.1 mm centre-positive barrel jack. Key Features Hard Plastic Snap (V2) – Easi...

SKU: DF-FIT0110

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 male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution. Wi...

SKU: AF-2788

A DC barrel jack adapter cable that converts a 3.5/1.3 mm or 3.8/1.1 mm DC plug to the standard 5.5/2.1 mm DC barrel jack format. Internal spring contacts accommodate outer diameters from 3.5 mm to 3.8 mm, making it versatile across a range of small-barrel DC connectors. Key Features Wide Comp...

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: AF-327

A 1.5-metre (5 ft) extension cable with a 5.5 / 2.1 mm barrel jack (female) on one end and a barrel plug (male) on the other. Heavy-duty 24 AWG wires handle up to 5 A, making it suitable for powering LED strips, Arduino boards, and other current-hungry projects at a distance. This cable also dou...