Welcome: Rucoe Electronics


How to choose the right DC power jack?

Choosing the right DC power jack is essential to ensure compatibility and reliable power supply for your electronic devices. Here's a concise guide to help you make the right choice:

DC power jack

1.Voltage and Current Rating: The most critical factor is matching the voltage and current rating of the power jack with your device's requirements. Ensure that the power jack can handle at least the same voltage and current as your device needs to avoid damage.

2.Plug Size and Type: Measure the diameter and length of the plug needed for your device. Common plug sizes include 5.5mm x 2.1mm and 5.5mm x 2.5mm, but others exist. Additionally, some jacks have a center pin while others don't, so ensure compatibility with your device's plug.

3.Polarity: Pay attention to the polarity of the power jack, indicated by symbols like + and -. Matching polarity ensures the correct flow of electricity and prevents damage to your device.

4.Mounting Type: Power jacks come in various mounting types, such as PCB mount, panel mount, and chassis mount. Choose the type that suits your application and mounting requirements.

5.Durability and Quality: Invest in a high-quality power jack to ensure reliability and longevity. Look for features like sturdy construction, gold-plated contacts for better conductivity, and a secure connection mechanism.

6.Compatibility: Consider any specific requirements or standards your device might have. Some devices may require jacks with specific certifications like UL or RoHS compliance.

7.Application: Consider the environment in which the device will operate. If it's for outdoor or rugged use, choose a power jack with sealing or waterproofing features to prevent damage from moisture or dust.

8.Manufacturer Reputation and Reviews: Research reputable manufacturers and read reviews from other users to gauge the quality and reliability of the power jack you're considering.

By carefully considering these factors, you can choose the right DC power jack that meets your device's requirements and ensures reliable power supply, minimizing the risk of damage and maximizing performance.



Contact: Bella

Phone: 15999819066

E-mail: rucoe@rucoe.com


Add: Taoyuan Street, Nanshan, Shenzhen