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Temperature Protection Fuse

By on November 4, 2010

temperaturefuse 

If you are repairing Hair Dryer, Iron and other type of set that have heating element in it then chances is high you could see the temperature protection fuse in it. The common specification that you can see from the fuse (printed on its body) are the Volt, Ampere and the Celsius. If you want to locate the parts from any electronics shop make sure you get the exact spec. Assuming if you really can’t locate any of the original spec then there are two important things that you need to know. You need to find the replacement that have lesser ampere and lower Celsius. For the volt, it will always be standard. If your country is using 240 volt then the fuse rating would be 250volt.

Please do not get a replacement fuse that have higher ampere and Celsius because if the set have problem and the fuse did not break, the whole set will catch fire or it will melt the casing! As usual, before replace the fuse, one must always check the connection, wiring, insulation and etc because there must be a reason why the fuse blow in the first place. After replace the fuse, fully test the set before returning to customer.

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8 Comments

  1. Jimmy Lane

    November 4, 2010 at 1:26 pm

    Thanks Jestine, this reminded me several years ago when I tried to fix a microwave oven with a blown fuse. It looks like the one up there with the black bulleted end. I make the mistake of using a big weller soldering gun and the heat from it opened my new fuse. You need to heatsink the leads with hemostats or solder real quick. Thought somebody could use this tip.
    Jimmy Lane

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  2. admin

    November 4, 2010 at 9:52 pm

    HI Jimmy,

    Thanks for sharing your experience.

    Jestine

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  3. Bernard

    November 5, 2010 at 5:33 am

    Hi Jestine,
    Thanks to Jimmy lane for his comments and his tips, hope more of these comments will come in future.

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  4. John Preher

    November 5, 2010 at 2:46 pm

    It is best to use an adjustable temperature soldering station on a lower temperature to solder in thermal fuses and it is a must to use a clip on heat sink also called a soldering heat sink to clip onto the lead you are soldering, this is a good practice when soldering in any heat sensitive component. This is a clip on heat sink for those who do not know what it is,

    http://www.mcmelectronics.com/product/21-675&CAWELAID=220241795

    You can also use a hemostat/forcep for the same purpose or find another way to improvise a heat sink.

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  5. Waleed rishmawi

    November 5, 2010 at 4:32 pm

    the only problem that I am facing with this kind of fuses is the replacement. even the people who sell irons and others do not provide an extra fuse and most of the time i had to send the machine back to the cutomers..but since I am now in the states, I am trying to buy all the parts needed to use back home. so far, I bought so many things and I canot wait to go home and start doing my repairs again.

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  6. admin

    November 6, 2010 at 4:01 am

    Hi Waleed,

    Hope you have a good time in US.

    Jestine

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  7. sam jimmy

    November 9, 2010 at 12:47 pm

    once i found,this type of fuse wrapped along with the primary side of a transformer in an emergency lamp.

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  8. capunong mylen

    December 8, 2010 at 4:48 am

    i like your way how to protect the fuse ................... tnx for giving meh some idea and guide how to protect the fuse.. i am glad to know you because you share your knowledge ur so kind...

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