A wire wound inductor is an electronic component made of a conductor coil, which can generate inductance through a magnetic field when power is supplied. Wirewound inductors are widely used in various electronic devices and communications fields. Their main function is to convert electrical signals into magnetic fields for storage, and then convert them back into electrical signals for output when needed.(★ If you want to know more information, you can refer to the following article: •Inductors are Used in High Frequency Circuits and Switching Power Supplies)
1. What is a Wire Wound Inductors?
A winding inductor is also called an inductor, electromagnetic coil, etc. It is a basic electronic component that consists of dense wires wound around an iron core or a hollow insulating tube. A winding inductor is usually composed of a large number of spiral coils that are interconnected to form a complex circuit structure. When powered on, a winding inductor will generate a strong magnetic field. The change in the magnetic field will generate current in the wire, which in turn affects the magnetic field.
2. The Role of Wire Wound Inductors
Wound inductors have the characteristics of storing and transmitting magnetic fields. Their main function is to convert electrical signals into magnetic fields for storage and convert them into electrical signals for output when needed. In electronic devices, winding inductors can filter and suppress electrical signal interference and improve communication quality; in power systems, winding inductors can control current, protect equipment, and play a role in voltage stabilization and voltage transformation.
3. Application of Wirewound Inductors
Wirewound inductors are widely used in various electronic devices and communications, such as televisions, mobile phones, car ignition systems, voltage regulators, radio transceivers, computers, etc. In addition, it is also used in AC power supplies to filter out high-frequency noise in the power supply. Modern inductors use a variety of core materials and insulation materials inside to make their functions more complete and reliable.
(★ If you want to know more information, you can refer to the following article: •Application of Through Hole Inductors in Electrical Appliances)
Is It Better to Have a Larger Wire Diameter for a Wound Inductor?
Wirewound inductors are a common type of inductor product. When we select a wirewound inductor, we select and match it based on its electrical performance characteristics. Among the many factors that affect electrical performance, the coil wire diameter has an important influence on the electrical performance of the winding inductor. So, do you think the wire diameter of the wound inductor should be larger or smaller? Next, let’s discuss this hot issue.
The size of the inductor coil wire diameter has a very direct and important impact on its electrical performance. Generally speaking, the larger the wire diameter of the inductor coil, the smaller the resistance of the inductor, and the less heat is generated when the current passes through it. Therefore, in some cases, using a coil with a larger wire diameter can improve the stability and reliability of the wound inductor.
However, it should be noted that not all cases will choose a coil with a larger wire diameter. Although a larger wire diameter can provide reliability and stability of the inductor, it will also increase the corresponding production cost and inductor volume. In addition, in some high-frequency environment applications, an excessively large wire diameter may cause the resonant frequency of the inductor to decrease, thereby affecting the use effect of the wound inductor.
In short, the larger the wire diameter of the wound inductor, the better, and of course, the smaller the better! The key to choosing the wire diameter of the wound inductor is to determine it according to the actual application scenario requirements.
Zhenhua was established in 2001, and is a leading technology developer for the passive component industry, working across multilayer chip inductor, wire wound chip inductor, common mode choke, NTC thermistor, transformer and Capacitors. Our product lines have been widely applied to communications, consumer, computer, lighting, security, smart grid, medical equipment, automotive, aerospace and etc.
Other advantages include:
Fully automated manufacturing
High-reliability AEC-Q200
ISO 9001 quality standards
RoHS compliant
REACH compliant
Why choose Zhenhua?
Our company has more than 1,000 types of inductors and 24 years of experience in this field. It is a product that produces extremely low resistance over a wide frequency range. Zhenhua is widely recognized by a global technical team for designing, manufacturing, and providing high-quality, high-performance signal integrity and noise filtering solutions.
Zhenhua brand inductors, or coils or reactors, are passive electronic components that resist changes in the current flowing through them. Core material, winding type and geometry play a critical role in the performance of power inductors. Shipping worldwide. Simply contact us for samples: info@smdinductor.com.




