DC-022 Panel Mount DC Power Jack Socket (5.5mm x 2.1mm Female)

Overview:

The DC-022 is a high-quality, panel-mount female DC power jack designed to deliver a stable and secure connection for DC power input. Compatible with the widely used 5.5mm outer / 2.1mm inner diameter barrel plugs, this socket is ideal for powering a variety of low-voltage electronic devices. Featuring a threaded body with a securing nut, and three solder terminals (including a switched contact), the DC-022 is a go-to choice for engineers, DIYers, and manufacturers building or repairing custom enclosures, electronics, and embedded systems.

Key Features:

• 🔌 Standard Barrel Size

  • Supports 5.5mm outer / 2.1mm inner diameter male DC plugs — widely compatible.

• 🧱 Panel Mount Design

  • Threaded barrel with included hex nut for easy and stable installation into plastic or metal panels.

• 🔧 Three Solder Terminals

  • Center Pin (Positive)

  • Outer Sleeve (Ground)

  • Switched Terminal: Opens the circuit to the internal power source (e.g., battery) when external power is connected — perfect for auto-switching.

• 💪 Durable & Reliable

  • Constructed with robust thermoplastic housing and metal contacts for long-term performance.

• 🛠️ Versatile Use

  • Suitable for a wide range of DC-powered devices, repairs, prototypes, and enclosures.

Common Applications:

• 💡 DIY electronics projects (Arduino, Raspberry Pi, robotics)

• 🔌 LED lighting systems and drivers

• 🔊 Audio gear (guitar pedals, headphone amps)

• 📷 Security systems (CCTV, DVRs)

• 🧪 Test and measurement instruments

• ⚡ Custom power supplies or battery chargers

• 🔧 Repair/replacement of worn-out DC power jacks in consumer electronics

Technical Specifications (Typical DC-022):

Important Notes:

• 🔄 Pinout Customization: The center pin is usually wired as +V, and the sleeve as GND, but wiring is user-defined. The switched terminal can be used to disconnect an internal battery or secondary circuit when external power is connected.

• 🧰 Mounting Caution: Always verify the panel hole size and terminal orientation before final installation.

• ⚡ Rating Awareness: Exceeding the rated voltage or current may cause failure or safety issues — check your specific application needs.

• 📄 Datasheet Reference: For critical designs or higher-current uses, refer to the exact manufacturer’s datasheet, as performance can vary slightly between variants.

Conclusion:

The DC-022 DC Power Jack Socket is an essential, cost-effective solution for panel-mounted DC power inputs in countless electronic applications. With its universal barrel size, durable construction, and convenient switched terminal, it’s ideal for both professional and hobbyist use where secure and flexible DC connectivity is required.