This entry was posted on Saturday, June 27th, 2009 at 11:17 am and is filed under PCB FAQ. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
I’m trying to desolder a component from a board, the only problem is that the component has an outer metal housing that is soldered to the board and the metal dissipates the heat so I cant melt the solder. i have a 40 watt weller iron, desoldering braid, and a vacuum pump. How am i supposed to get this off?
June 27th, 2009 at 6:02 pm
You need to get more heat. Use either a higher wattage iron or the soldering tip that fits a propane torch. A very small torch might be used directly but you run the risk of heating nearby components too.
June 27th, 2009 at 8:34 pm
Preheat the whole contraption. You can try working over a hot plate, or use a heat gun with a regulated temperature. You want the whole assembly to be hot but less than the melting temp of solder (or anything else that is going to fry). Then your soldering iron doesn’t have to raise the temperature of your problem component very much to get melting solder.
June 27th, 2009 at 11:14 pm
The heat is necessaryhttp://www.toboc.com/forum3/default.aspx…http://www.toboc.com/forum3/DEFAULT.ASPX…