So basically they sell 5 watt resistors but if you solder them you can't pu= sh more than 2.5 watts out of them? I've looked at a lot of datasheets late= ly, and none of them make any mention at all about connection or mounting m= ethods. Bob ________________________________________ From: piclist-bounces@mit.edu on behalf of Van Ho= rn, David Sent: Tuesday, January 16, 2018 12:34 PM To: Microcontroller discussion list - Public. Subject: RE: [EE] Resistor temperature rise I take it water cooling is out. No real magic here bud, you gotta let the heat flow one way or the other, o= r the temperature will rise till it does. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .