Which temperature lead-free solder paste compares to the social LED industry? For this question:

     First of all, it is necessary to understand what problems often occur when using lead-free solder pastes at different temperatures. The biggest problem with soldering with low-temperature lead-free solder paste is that the solder joints are brittle and easy to fall off, and they are easy to oxidize over time. Soldering LED lamp beads with high temperature lead-free solder paste often leads to dead lamps, that is, the PN junction of the LED lamp beads is melted during reflow soldering.

      In addition, some PCB boards are not resistant to high temperature. It can be seen that the reason for the confusion is that the solder joints with low-temperature lead-free solder paste are brittle, and the use of high-temperature lead-free solder paste is easy to die. Obviously, among the two, the threat of dead lights is greater, but in fact, dead lights are often All manufacturers use substandard lamp beads.