DC Power Jack 2.1mm

DC Power Jack Plug Connector 2.1mm x 5.5mm x 9mm · This connector is also called the DC Barrel Jack male connector.

A DC power jack is a connector used to supply direct current (DC) power to electronic devices. It typically consists of a cylindrical socket that allows a matching plug to be inserted, providing a secure connection for power transfer.

Key Features of DC Power Jack:

• Polarity: DC jacks usually have positive and negative terminals, so it’s essential to connect them correctly to avoid damage.
• Voltage and Current Ratings: They come in various sizes and ratings, suitable for different devices (e.g., laptops, chargers, and LED lights).
• Types: Common types include cylindrical barrel jacks and terminal block connectors, which can be used for wired connections.

Applications:

• Powering small electronics like cameras and portable speakers.
• Used in larger devices like laptops, where they often connect to an external power supply.