PTC Technical

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  The structure and function of ptc thermistor

  PTC refers to the phenomenon of thermistor or raw material with a sharp increase in resistance and positive temperature coefficient at a certain temperature, which can be used as a constant temperature sensor. The raw material thus BaTIO3 or....

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  What is a ptc heating element?

  The PTC heating element is also called a PTC heater, and is composed of a PTC ceramic heating element and an aluminum tube. This type of PTC heating element has the advantages of small thermal resistance and high heat exchange efficiency, an....

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  DC PTC thermistor constant temperature control system based on AT89C2051 chip

  Most of the existing heaters are heated by conventional devices such as electric heating tubes and electric heating wires. The outer casing of the electric heating pipe is a steel pipe made of stainless steel, and has a heating element resis....

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  WMZ12A PTC thermistor selection parameters

  1. Scope of application: The WMZ12A PTC thermistor is mainly used for overcurrent protection of [transformer (adapter) / primary coil / charger / digital multimeter / smart meter / micro motor / transistor]. Directly connected in series in....

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  WMZ12A PTC thermistor overcurrent protector

  WMZ12A (II) is mainly used for lightning protection, communication machine over-current protection Other electrical performance parameters: Power frequency resistance: 3Arms 220Vrms 20TImes Lightning strike resistance: 10/310s 1.5KV37.5A 10....

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  WMZ11A PTC thermistor Parameters Table

  1. Scope of application: WMZ11A PTC thermistor is used in various fluorescent electronic ballasts and electronic energy-saving lamps without changing the wiring. The appropriate thermistor can be directly connected across the resonant capac....

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  What are the main parameters of the PTC thermistor?

  Rated zero power resistor R25 Zero power resistance refers to the very low power consumption added to PTC thermistor when measuring PTC thermistor value at a certain temperature, so that the change of resistance value of PTC thermistor cause....

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  Information and parameters of various PTC (Positive Temperature Coefficient) thermistors

  1. PTC thermistor for temperature compensation and current limiting The shape of the thermistor is shown in the figure, and the main characteristic parameters are shown in the table. 2.MZ2 type energy-saving lamp soft starter thermistor The....

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  Cause Analysis of LED Damage and Introduction of Protection Method of LED Circuit

  White LEDs are voltage sensitive devices. In actual work, the current is 20 mA, but the current is often increased due to various reasons in use. If no protective measures are taken, the LED will be damaged after the increased current exceed....

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  Summary of simple overcurrent protection circuit design

  Working Principle of Overcurrent Protection Circuit When the circuit is in normal state, the current of PTC thermistor for over-current protection is less than the rated current, and the PTC thermistor for over-current protection is in norm....

  TAG: Thermistor temperature sensor PTC thermistor NTC temperature resistance water temperature sensor power thermistor 10K 3950 thermistor NTC sensor PTC sensor PTCR PTC Ceramic Heating 

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