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PTC Thermistor Motor Protection

Article source:admin Popularity:Published time:2017-11-30 11:24

What Is An NTC Thermistor | Ametherm
What Is An NTC Thermistor | Ametherm

Thermistors solve a wide range of temperature sensing and circuit protection ... Ametherm specializes in NTC, or negative temperature coefficient, ... is an even more accurate way to do this using the Steinhart & Hart Equation. ... They're not used for high temperatures, but in the temperature ranges where they work they are ...

[PDF]Thermistors: What they are and how they work - Avonmore Electrical
Thermistors: What they are and how they work. Thermally ... The NTC type thermistor is most com- monly used to ... decreases, and so does its sensitivity to.

 How A Thermistor Works | Kitronik
How A Thermistor Works | Kitronik
A thermistor is a component that has a resistance that changes with ... that increase with temperature (Positive Temperature Coefficient – PTC) and those with a ... for a thermistor is to measure temperature, they are used to do this in a wide ...

Using a Thermistor | Thermistor | Adafruit Learning System
Jul 29, 2012 - So what we have to do is convert the resistance into a voltage, and we'll ... swapped and check that you are using an NTC not PTC thermistor.

Methods of Winding Protection - Winding Thermistors - U.S. MOTORS
Methods of Winding Protection - Winding Thermistors - U.S. MOTORS

The positive temperature coefficient (PTC) type has a resistance that increases with increasing temperature. The PTC thermistor has a sharp rise in resistance ...

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 Thermistor Applications and Characteristics | PTC and NTC Thermistors
Thermistor Applications and Characteristics | PTC and NTC Thermistors

Many NTC thermistors are made from a pressed disc or cast chip of a semiconductor such as a sintered metal oxide. They work because ...

Temperature Measurements with Thermistors: How-To Guide ...

 You can use PTC thermistors, or posistors, as current-limiting devices for ... resistance does not affect the accuracy of their measurements; thus, ...

Thermistor
Thermistor
Thermistors are a class of sensitive components, divided into positive temperature coefficient thermistor (PTC) and negative temperature coefficient thermistor (NTC) according to temperature coefficient. Typical characteristics of the thermistor are temperature sensitive and exhibit different resistance values at different temperatures. Our thermistors accord: JB / T9476-1999, JB / T 9474-1999 standard ...... include: ntc, ptc, SMD thermistors, thermistor power type, resettable fuse, Motor protection thermistor, etc.


varistor
Varistor
Varistors are resistor device having a nonlinear volt-ampere characteristics, mainly used for over-voltage clamping circuit when subjected to pressure, the excess current sink to protect sensitive devices. The main material is the metal oxide (MOV, Metal Oxide Varistor), which contains ceramic particles consisting of zinc oxide particles and a small amount of other metal oxides or polymer spacings. Varistor referred to as VDR, varistor called "surge absorber", sometimes referred to as "surge suppressor. Now widely used "zinc oxide" (ZnO) varistor, its main material has divalent elements zinc (Zn) and hexavalent elemental oxygen (O) formed.

resettable fuse
Resettable fuse
Resettable fuse is an over-current electronic protection components, can replace the ordinary current fuse. Traditional fuse over-current protection, can only be protected once, burned to be replaced, while the Resettable fuse with overcurrent / overheat protection, automatic recovery dual function. Polymer polymer PPTC and ceramic CPTC two kinds of Resettable fuse two, according to the package can be divided into two types, lead plug-in and SMD two. Can also be divided according to the voltage 600V, 250V, 130V, 120V, 72V, 60V, 30V, 24V, 16V, 6V and so on. ..... Product Certification: CCC, CQC, ce, UL, ROHS, TUV, VDE, RU, pse, FCC, IEC and CB ...

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