SMT RJ45 Connector material how to choose

General welding process, because the plug-in RJ45 connector is used to complete the wave soldering technology, and SMT RJ45 Connector is the use of reflow technology to complete. Therefore, SMT RJ45 Connector than the plug-in connector to withstand higher temperatures.

The wave soldering requires that the pins of the card elements pass through the PCB and pass through the lead portion of the circuit board during soldering by melting the solder level. In the wave soldering process, because there are printed circuit board and hard plastic insulator isolation, so only through the plate through the metal part of the pin and high temperature solder surface contact. While the printed circuit board can be part of the heat and parts separated. Therefore, the perforated parts do not need high temperature special raw materials, still able to achieve the purpose of welding.

While the SMT SMT RJ45 Connector is different, SMT RJ45JACK components are completed through the high temperature furnace.

Reflow furnace. Weld SMT RJ45 Connector The entire circuit board must pass through the high temperature furnace and allow sufficient time to solder the solder after connecting to the SMT pin. The procedure requires the socket to withstand high temperatures at temperatures up to 260 ° C to pass the SMT parts through the high temperature furnace. Excessive temperature of the furnace or too long can lead to metal compounds open welding or damage to the circuit board and some sensitive components. To ensure that the SMT RJ45 Connector welding process requirements for parts, many high temperature plastic insulator into the market. For example: LCP, PPS, PCT and other plastic body has a better high temperature and plasticity. Plastic body performance in the heat fast, strong moisture resistance, and easy injection molding and so on. It is particularly important that these plastic insulators have superior stability, low curvature, and can be injected into tiny shapes so that the volume of the connector can be reduced and thus the distribution of heat during the welding process. The traditional fiber polyethylene material is non-resistant high temperature plastic insulator, through the high temperature furnace will melt, it is used in the perforated connector and only in the wave soldering process.