Adafruit
Female DC Power adapter - 2.1mm jack to screw terminal block
All Products
Headers & Connectors
New Arrivals
Power Supplies
Power Management
Components
Power & Batteries
$3.89
|
In stock
A simple adapter that converts a 2.1 mm DC barrel jack to screw terminals, making it easy to connect a DC power supply to boards or projects that lack a DC j...
Estimated Delivery
Arrives
Disclaimer
Secure checkout
A simple adapter that converts a 2.1 mm DC barrel jack to screw terminals, making it easy to connect a DC power supply to boards or projects that lack a DC jack. The terminals are labelled with positive and negative polarity, assuming a centre-positive configuration (the most common type).
Key Features
- 2.1 mm DC Jack – Standard barrel connector input
- Screw Terminal Output – Secure, solderless wire connection
- Polarity Labelled – Positive/negative markings for centre-positive supplies
Package Contents
- 1× Female DC power adapter (2.1 mm jack to screw terminal)
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.
Find this product in
Power & Batteries
Related Tutorials
Free guides on learn.littlebird.com.au
