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Your cart is empty.The TCO (Thermal Cut-Off) responds to temperature by interrupting an electrical circuit when the operating and/or environ- mental temperature exceeds the thermal rating of the device. NTE's radial lead TCOs accomplish this when the internal fusible alloy is melted by reaching the temperature of the melting point of the alloy, forming two separate balls at the edges of the leads by surface tension of the alloy to permanently open the circuit. Axial-lead TCO devices presently predominate over radial-lead devices. This results, at least in part, from design difficulties that exist in manufacturing a reliable, inexpensive radial-lead TCO device. However, in many circuit applications radial-lead devices are preferable since they take up a smaller area on a printed circuit board. Their compact size enables ease of assembly into the smallest of transformers ensuring total thermal protection.
John C
Reviewed in the United States on February 28, 2021
Used to replace a thermal fuse in a portable heater. Works great.
HVE
Reviewed in the United States on March 13, 2017
Arrived in good packaging and worked great to replace a burned out thermal fuse in my Nespresso Frother.
grumpy010146
Reviewed in the United States on December 26, 2014
works fine. will update as longevity shows itself.
W. Bender
Reviewed in the United States on August 20, 2013
Used it to replace replace a blown one a box fan who's fan blade came off wedging and causing the OEM one to open. Looks well made and the specs are the same. In reality, you can't verify that it completely works unless it overheats and blows. I am pretty confident that it will function like it is supposed to. You will find these things in small appliances, motors, coffee makers, etc. You need to make sure the specs match the one you're replacing. Generally two things are important, the temperature that it opens at and the current rating. You also need to install it exactly as the original as its location is important to detect heating in the correct designed location.It is a small inexpensive part but the device won't work without it. These are sometimes called a "heat fuse" as they act much like a fuse, but are temperature dependent. You need to have some basic electrical skills to replace these as they are usually soldered in place. If you are not careful, you can blow these when soldering into place if you get them too hot. Probably a bit much for the average DYI person. But if you know what you are doing, their pretty easy to replace.These are a safety device, make sure you know what you are doing and fully understand how these work before attempting to replace one. You should also have a good explanantion for why the original blew and be able to eliminate that source cause or you'l probably just blow the replacement. There's more than a couple things you can do wrong if you don't understand these devices and you could potentially disable the originally designed safety feature.
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