|
NTC Thermistor
|
|
|
|
|
|
|
|
|
|
|
Surge-arrestor NITC theremistor
|
|
|
|
|
|
|
|
|
1).Outline
|
|
|
|
|
|
|
|
|
|
|
This is a Negative Temperature coefficient Resistor Whose resistance changes with
|
|
|
ambient temperature changes.Thermistor comprises 2 or 4 kinds of metal oxides of
|
|
|
iron, nickel,cobalt,manganese and copper,being shaped and sintered at high
|
|
|
|
tmeperature(1200~1500)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2).FEATURES
|
|
|
|
|
|
|
|
|
|
|
*Small in size, high-powered , and very capable of bringing down the surge current;
|
|
|
*Quick in reaction ;
|
|
|
|
|
|
|
|
|
|
*High in B value and low in residual current;
|
|
|
|
|
|
|
*Long service life and high reliability;
|
|
|
|
|
|
|
|
High coeffecient of safety and wide range of application.
|
|
|
|
|
|
*Good stability and Reliability in performance;
|
|
|
|
|
|
|
*High precision, good interconver tibility and good consistency;
|
|
|
|
|
*Great resistance-to-temperature ratio and high sensibility;
|
|
|
|
|
|
*Low in costs and especially suitable for testing of low or medium.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3).Applications
|
|
|
|
|
|
|
|
|
|
|
*For measuring equipment;thermometer, wind gauge , liquid level gauge,temperature controller
|
|
*For temperature compensation;transistor circuit, measuring equipment;
|
|
|
|
|
*For driving:delay setting in relay operation , inrush current surge protection.
|
|
|
|
*Forheating:AGC circuit, time delay circuit in communication equiment.
|
|
|
|
