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What's the meaning of PTC in varistors?

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Hi,

May i know about Varistor got value not?

I got 1 sample, it writen there...

Code: 
PTC
C884
0147

what it mean there? How can i get the datasheet? Can anyone tell me...

Thank You.
 

Re: Varistor Value!!??

Positive Temperature Coefficient (PTC) Thermistors and VARISTORs are two different things, although they both can look like disks ..
PTC increases its resistance with temperature, whereas varistor clamps voltage to its rated level ..

http://www.ee.bilkent.edu.tr/~eee211/data sheets/PTC/00520054.pdf

Regards,
IanP
 

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Re: Varistor Value!!??

Hi,

Thank for your referenced.

So, can i say my Positive Temperature Coefficient type is C884?

But you show me the datasheet is C 910....990. Can i use any of C9xx to replace my C884?

Thank You.
 

Re: Varistor Value!!??

My mistake, sorry ..
It supposed to be this link:
**broken link removed**

Regards,
IanP
 

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Re: Varistor Value!!??

Sir, what is the meaning of the value written in my varistor:

H N4
1502

Thanks.
 

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