what is thermister?

- H
- hingu
  
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posted
16 years ago

Wed, Feb 6, 2008 5:39 PM

plz.tell me what is thermister?

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- D
- Don Bowey
  
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posted
16 years ago

Wed, Feb 6, 2008 5:49 PM

formatting link

Learn to google.

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- Eeyore
  
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posted
16 years ago

Wed, Feb 6, 2008 5:59 PM

It's spelt "thermistor" actually. It's a temperature dependent resistor.

Graham

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- John Popelish
  
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posted
16 years ago

Wed, Feb 6, 2008 11:24 PM

Temperature dependent resistor. Resistance changes in a predictable way as temperature changes.

PTC thermistors = positive temperature coefficient= resistance rises in some way as temperature rises. Some vary very linearly with temperature (metallic), and some switch from low resistance to very high resistance over a small temperature range (semiconductor).

NTC thermistor = negative temperature coefficient= resistance falls in some way as temperature rises.

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Regards,

John Popelish

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- BobG
  
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posted
16 years ago

Thu, Feb 7, 2008 1:11 AM

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Its a spray nozzle that cools you off with a misting spray when the temperature reaches a certain point. You smart guys thought he spelled it wrong.

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