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Registered Member #223
Joined: Mon Feb 20 2006, 06:42PM
Location: Ottawa, Ontario, Canada
Posts: 125
I found an odd componet in an old monitor. I have seen them before in monitors but never bothered finding out what they were. I tried entering their part numbers into alldatasheet.com but have found nothing. It is basically A small box with three leads. I took one apart and inside were two ceramic like disks; Both disks are of different size and are seperated by a metal plate. This metal plate is conneted to one of the leads of the device. The other two leads connect to spring like contacts that push the disks agianst the metal plate.
I hope I described it clearly enough for someone to be able to identify it.. I have been working with electronics for a long time so it bugs me not knowing what this thing is..
P.S. The disks look like the backs of pizoeletric speakers. Also on the circuit board the device was labled "PTH1'
Registered Member #223
Joined: Mon Feb 20 2006, 06:42PM
Location: Ottawa, Ontario, Canada
Posts: 125
Yes it is near the power in but Metal oxide varistors look like ceramic disk capacitors with two leads.. but this thing is a small black box with three leads..
here is a diagram: (sorry this is the best I can do with MSpaint..)
Registered Member #154
Joined: Sun Feb 12 2006, 04:28PM
Location: Westmidlands, UK
Posts: 260
Hi Dan, This device is a degausing thermistor which supplies the degausing coil, fitted around the CRT, with a desending current when the monitor is first turned on.
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Help I.D. odd component..
