How to avoid the minefield when choosing LED connectors?

Nowadays, the LED industry is widely used. Some products are used indoors, while others are used outdoors or in some harsh environments. If outdoor LED products are connected, waterproof connectors may be needed. The waterproof connector is divided into two parts, namely the waterproof plug and the waterproof wire. Its main function is to ensure normal and safe power supply and signal transmission in the environment with water or harsh environment. It is now widely used in LED outdoor equipment, automation equipment, military fields and other environments. Below, Huichengyuan Electronic Technology mainly introduces four key points of common environmental performance indicators of power waterproof connectors: including humidity resistance, temperature resistance, salt spray resistance, vibration resistance and impact resistance, etc.

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1. The intrusion of moisture resistance has a great impact on the insulation performance of connectors, and it is easy to corrode metal parts. The constant humidity and heat test conditions are 95% relative humidity (up to 98% according to product specification), temperature +40 ± 20 oC, and the test time is at least 96 hours according to product specification. The alternating humidity and heat test is more rigorous. 2. Temperature resistance The current maximum operating temperature of the connector is 200oC (except for high-temperature special connectors), and the lowest temperature is-65oC. When the connector is working, the current generates heat at the contact point, resulting in temperature rise, so it is generally believed that the operating temperature should be equal to the ambient temperature plus the contact temperature. 3. When the salt spray-resistant connector works in an environment containing moisture and salt, the electroplating layer on the surface of its metal structural parts and contact parts will cause electrochemical corrosion, which will affect the physical and electrical properties of the connector. In the salt spray test, the connector is suspended in a temperature-controlled test chamber, and the sodium chloride solution of specified concentration is sprayed out with compressed air to form a salt spray atmosphere. The exposure time is specified by the product specification and is at least 48h. 4. Vibration and impact resistance Vibration and impact resistance is an important performance of electrical connectors, especially in special application environments such as aviation and aerospace, railway and road transportation. It is a test of the robustness and robustness of the mechanical structure of electrical connectors. An important indicator of electrical contact reliability. The above four points are the four knowledge points of common environmental performance indicators of LED connectors introduced by Huichengyuan Electronic Technology. The connectors produced by Huichengyuan connector manufacturers can meet the domestic general waterproof standard, namely IP67 standard. The product is made of PBT material shell, and the contact points are gold-plated. Ensure stable electrical performance, high-strength voltage resistance, high temperature resistance, explosion resistance, corrosion resistance, etc. It ensures that the product can be reliably connected, and also has high corrosion resistance and conductivity, effectively coping with the temperature rise change caused by current.

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