On Wednesday 14 August 2013 01:05:32 Todd Zuercher did opine: > I need to find a replacement for this transistor (Since I don't know > what else to call it). I attached a bad photo of it. The numbers on it > read Q797 at the top and the bottom right corner has L7 and MEX. It is > the main chip on a large dimmer board, it is used for some of the > sanctuary lighting at my church. It controls a light circuit with > nearly 20 amps. I thought I could fix it if I could find a replacement > but Google hasn't been much help for me on this. Any one have a good > Idea what it probably is? And what might be a good replacement part?
My guess, since its in a dimmer, is that its a triac or scr. Probably a triac. But take another pix of it laying on some newsprint so the autofocus on your camera will at least try to focus on the device instead of the table 12 feet away. Oh, and what brand is the dimmer? Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! My views <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml> Those who can't write, write manuals. A pen in the hand of this president is far more dangerous than 200 million guns in the hands of law-abiding citizens. ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
