CNX440 Solderless LED Holders VCC CNX440 5mm Solderless Panel-Mount LED Holders offer simple, fast assembly with reliability and ruggedness. CNX440 Series receptacles do not require tools for assembly and provide quick and easy threaded connections into a broad selection of panel lenses. Further simplifying assembly, the CNX440 Series LED holders feature 'unique' interconnectors that deliver additional stability for LED leads and offer various options, standard lead lengths and headers for quickly and securely connecting LEDs to power sources. The receptacle can be easily configured for integration into a custom cable assembly or standalone assembly with stripped wire ends or header connector for PCB connection. Designers can configure the CNX440 Series 5mm LED holder to support up to six leaded, RGB, undercover (UC), or infrared (IR) LEDs.