Adafruit
2.1mm DC Power Jack with Slide Switch
A 2.1 mm DC barrel jack with a built-in slide switch, giving you simple on/off control for devices that lack a dedicated power switch. It shares the same PCB...
A 2.1 mm DC barrel jack with a built-in slide switch, giving you simple on/off control for devices that lack a dedicated power switch. It shares the same PCB footprint as a standard non-switched barrel jack, so it drops straight into existing designs without layout changes.
Plug in your power supply (up to 16 VDC, 3 A), then use the labelled slide switch to toggle power on and off — no more unplugging cables every time you want to cut power.
Key Features
- Integrated Slide Switch – Labelled on/off toggle on top of the jack
- Standard 2.1 mm Barrel Jack – Compatible with common DC wall adapters
- Same PCB Footprint – Drop-in replacement for non-switched barrel jacks
- Rated up to 16 VDC, 3 A – Suitable for most maker and prototyping projects
Ideal For
- Adding a power switch to boards that don't have one
- Custom enclosures and project boxes
- Prototyping and bench setups where quick power toggling is convenient
Package Contents
- 1× 2.1 mm DC Power Jack with Slide Switch
Jargon buster
Plain-language definitions for the technical terms used above.
- DC barrel jack
- A round power connector commonly used for low-voltage DC power supplies, often described by its outer and inner diameters such as 5.5 x 2.1 mm. Matching the barrel size and polarity is important so the plug physically fits and powers the device correctly.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
Find this product in
Related Tutorials
Free guides on learn.littlebird.com.au
