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Auto Electronics Components
Widely used in AC electrical products. Electrical circuit filtering to reduce harmonics.
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Frequently Asked Questions
Inductor
Resistor
  • 1.Are there any losses in inductors?

    Yes, there are certain losses in inductors, mainly including copper losses, magnetic core losses, etc. These losses will cause the inductor to lose power. These losses can cause the efficiency of the inductor to decrease, especially in high frequency applications.

    Translated with DeepL.com (free version)


  • 3.Is there a fixed value for an inductor?

    The value of an inductor depends on the construction of its coil, its material and the number of turns. They can have fixed values or be adjustable.


  • 5.Do inductors have polarity?

    Yes, inductors usually have polarity, especially in DC circuits. The direction of the current affects the direction of the magnetic field in the inductor.


  • 7.What is the difference between an inductor and a resistor?

    A resistor restricts the flow of current and produces a voltage drop, while an inductor stores magnetic energy and resists changes in current.


  • 9.What are the main application areas of inductors?

    Inductors have a wide range of applications in electronic circuits, including power supply filtering, transformers, and inductive couplers. They are also commonly used in inductive energy storage systems, RF circuits and inductive sensors.


  • 2.Why are inductors used for filtering in power supplies?

    Inductors smooth out pulsating currents in a power supply, reduce voltage fluctuations, and improve the stability of the power supply.


  • 4.How do inductors affect AC circuits?

    Inductors create an impedance to AC circuits, blocking changes in current. In AC circuits, an inductor acts like a resistor, but depends on the frequency.


  • 6.What are self-inductance and mutual inductance?

    Self inductance is the electromotive force induced by the inductor itself, while mutual inductance is the electromotive force induced by one inductor to another.


  • 8.What is the unit of an inductor?

    The unit of an inductor is Henry, commonly symbolized as H.


  • 10.What is an inductor?

    An inductor is an electronic component that is primarily used to store and release electrical energy. It usually consists of a coil of conductors which, when the current through the conductors changes, creates a magnetic field which stores electrical energy.


  • 1.How do I choose the right resistor?

    Choosing the right resistor depends on the requirements of the circuit, including the required resistance value, power rating, and whether variable resistance is needed. Select the correct type and size of resistor based on these requirements.

    Translated with DeepL.com (free version)


  • 3.What are some common applications for resistors?

    Resistors have a wide range of applications in electronic circuits, including power supply, signal processing, sensor circuits, amplifiers and filters.


  • 5.What is the purpose of a resistor in a circuit?

    Resistors are used in circuits for current limiting, voltage dividing, overcurrent protection, and temperature compensation.


  • 7.What are the common types of resistors?

    Common types of resistors include fixed resistors and variable resistors. Fixed resistors have a fixed resistance value, while variable resistors can be used to change the current in a circuit by adjusting the resistance value.


  • 9.How does a resistor work?

    Resistors work based on Ohm's law, which states that current (I) is equal to the ratio of voltage (V) to resistance (R), i.e. I = V/R. By adjusting the value of resistance, the strength of the current can be controlled.


  • 2.What is the difference between a resistor and a capacitor?

    Resistors limit current while capacitors store charge. Resistors consume power and result in energy loss, while capacitors do not consume energy when storing and releasing charge.


  • 4.What does the power rating of a resistor mean?

    The power rating of a resistor indicates the maximum power it can handle. It is usually expressed in watts (W).


  • 6.What is the color coding of resistors?

    The resistance value of a resistor is usually indicated using color coding. Color coding is a standard method of indicating resistance values by the color of the ribbon on the resistor.


  • 8.What is the unit of resistance?

    The unit of resistance is the ohm (Ω).


  • 10.What is a resistor?

    A resistor is an electronic component used to limit the amount of current flowing through a circuit. It works by introducing resistance to control the current and voltage in a circuit by impeding the flow of current.


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  • 电话Tel: 0086-519-83976620

  • 邮箱Email: liujindong@nfdq.cn

  • 地图No. 6, Xinxin Intelligent Industrial Park,Changzhou, Jiangsu

About Us

Changzhou Southern Electronic Element Factory Co., Ltd. is located in the city of Changzhou, which has a long history in Jiangsu Province. It is situated in the most active economic area in Yangtze River Delta Centre. The transport is very convenient. Expressway, Fast railways run though it. And it only takes one and half hours to reach Shanghai or Nanjing city. Airplane from here is through to major cities in China.
Changzhou Southern Electronic Element Factory Co., Ltd. was founded in 1989. After several years' development and effort, it has invested and opened up three subsidiary companies, in Yancheng city, Huai'an city in Jiangsu Province, and Lang'xi City in Anhui Province respectively.

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