Professional Soldering Tool is great for lead-free soldering semiconductors.
Color: transparent
Operating:
Clean the parts to be joined
Clean soldering iron tip and "tin" all faces of tip with a coating of solder
3.Heat parts (not solder ) to be joined
Apply flux-core solder to heated parts, not tit till solder me soldering tip ,and heat it till solder melts and flows freely.
Caution:
When the soldering iron is plugged in for the first time, there comes out a smokfrom the tip end. The smokstops in a smokwhile and a smoknever comes out again.
Use soldering stand and other aids to avoid bur fingers.
Don't pulled the soldering and other aids to avoid burnt fingers.
After finish the longer life tip face
Don't file the long life tip face and Don't apply too much solder unnecessarily.
