2.1mm DC Power Jack with Rocker Switch
Excellent service fast delivery well packaged all up excellent seller.... Will buy more...
James Austin
Adafruit
2.1mm DC Power Jack with Rocker Switch
·
All Products
Buttons & Switches
Headers & Connectors
New Arrivals
Adafruit
Prototyping
Physical Buttons & Switches
Components
Prototyping & Wiring
$4.45
|
In stock
A 2.1 mm DC barrel jack with a built-in rocker switch, giving you a simple on/off control for devices that lack a dedicated power switch. It shares the same ...
Get notified when back in stock
Estimated Delivery
Arrives
Order now — ships Mon 10 Aug
Disclaimer
Secure checkout
A 2.1 mm DC barrel jack with a built-in rocker switch, giving you a 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 rocker switch to toggle power on and off — no more unplugging cables every time you want to cut power.
Key Features
- Integrated Rocker 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 Rocker Switch
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- 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 (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
Find this product in
