All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

Dc barrel plug connector

(1311 products available)

2.1x5.5mm DC Barrel Jack Connector
Ready to Ship
$0.15 - $0.16
Min. Order: 1000 pieces
Shipping per piece: $0.07
10 yrsCNSupplier
4.9/5.0·67 reviews·"Reasonable delivery"

About dc barrel plug connector

Understanding DC Barrel Plug Connectors

DC barrel plug connectors are a fundamental component in the realm of electronic devices, providing a reliable means of delivering power from an external source to an internal circuit. These cylindrical connectors are widely recognized for their simplicity and effectiveness in establishing a secure electrical connection.

Types and Applications

There are several types of DC power connectors tailored to different applications. Keyed connectors, designed with a unique alignment, ensure proper connection and protect delicate pins. Locking connectors feature a mechanism to maintain connection stability, essential in environments where vibrations or movement could disrupt electrical continuity. For operations demanding robust durability, hermetically sealed connectors offer functionality in submerged conditions, while water-resistant variants guard against moisture ingress, ensuring the safety and longevity of electrical systems.

Features and Design Considerations

When selecting a DC power jack, performance parameters such as current rating, voltage capacity, and operating temperature range are crucial. These factors dictate the connector's suitability for specific environments and electrical loads. Physical parameters also play a pivotal role, influencing the connector's design and compatibility with various connection types. Material selection is paramount, with most connectors featuring a durable plastic shell and conductive elements typically composed of brass, beryllium copper, or other copper alloys, known for their excellent electrical conductivity and mechanical strength.

Materials and Construction

The construction of a DC barrel jack is a testament to the importance of material quality. The insulating shell often employs robust plastics, while the conductive cores are made from metals such as brass or phosphor bronze, chosen for their resilience and conductive properties. This combination ensures a balance between durability and efficient power transmission.

Advantages of Quality Connectors

Quality DC barrel connectors offer numerous advantages, including ease of use, quick connection and disconnection capabilities, and a compact design. Their versatility makes them suitable for a wide array of devices, from small portable electronics to larger industrial machinery. The variety of available sizes and specifications allows for tailored solutions to meet specific power requirements.

Choosing the Right Connector

For businesses in need of bulk quantities of DC barrel power connectors, Alibaba.com stands as a comprehensive marketplace. The platform connects buyers with a diverse array of suppliers, offering a multitude of connector options without the constraints of minimum order quantities. While exploring the extensive selection, buyers can assess connectors based on their application-specific requirements, ensuring the right fit for their electrical needs.