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  1. An NTC or a PTC. An NTC is a resistor with a negative temp. coefficient and a PTC...

    1 Answers · Science & Mathematics · 12/03/2013

  2. ... of that type that has to be controlled and safe uses a PTC materials as elements (resistance goes up dramatically with temperature...

    2 Answers · Science & Mathematics · 31/10/2011

  3. temperature protection is acheived by PTC thermistors. under voltagge and phase failure protection by starter. phase reversal protection by phase descriminator.

    2 Answers · Science & Mathematics · 17/06/2012

  4. Solidworks, Inventor, PTC, Catia, NX are someof the most used.

    3 Answers · Science & Mathematics · 26/02/2008

  5. ...protection devices: 1,) Fuse 2.) Circuit Breaker 3.) PTC Thermistor - limits current by increasing its resistance...

    4 Answers · Science & Mathematics · 30/06/2009

  6. .... The thermistor relay operates on the signal from PTC thermistors. The thermistors are fitted in...

    3 Answers · Science & Mathematics · 20/11/2013

  7. ... value changes with temperature. There are 2 types, PTC and NTC, positive / negative temperature coefficient. Pressure: ...

    6 Answers · Science & Mathematics · 21/08/2008

  8. ...thermistor, but a thermistor is not necessarily an NTC (it could also be a PTC). A 4.7k NC means a certain, more or less standard (usually less...

    2 Answers · Science & Mathematics · 03/01/2008

  9. ...undesirable. Hewlett used an incandescent bulb as a positive temperature coefficient (PTC) thermistor in the oscillator feedback path to limit the gain. The resistance of light...

    1 Answers · Science & Mathematics · 05/03/2011

  10. ...student edition (I don't believe this product expires at all): http://www.ptc.com/appserver/mkt/educational/program.jsp?&im_dbkey=86793 ANSYS: A ...

    3 Answers · Science & Mathematics · 18/05/2010

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