Wire Wound Inductor
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Wire Wound Inductor

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Description

Technical Parameters

Providing with quality and standard customer-made electronic and passive components wire wound inductor and solution products, Fullstar Electronics is a leading wire wound inductor manufacturer and supplier in China. welcome to wholesale electronics wire wound inductor from our factory.

 

 

Products Description

 

 

A Wire Wound Inductor is one of the most fundamental and widely used types of inductors in electronic circuits. Simply put, its core structure consists of an insulated wire (usually enameled or magnet wire) tightly coiled around a specific magnetic core or bobbin.

 

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⚙️ Structure & Working Principle

  • Basic Construction: It is primarily made up of a winding, a core, and a bobbin. The core material is highly diverse, commonly including ferrite, iron powder, ceramic, or even an air-core design (hollow).
  • Working Principle: Based on electromagnetic induction. When current flows through the coil, it generates a magnetic field and stores energy. When the current changes, the inductor opposes this change (exhibiting the characteristic of "passing DC while blocking AC"), thereby achieving functions like filtering, oscillation, delay, or energy storage.

💡 Core Advantages & Features

Compared to other types of inductors (such as multilayer inductors), wire wound inductors offer significant advantages:

  1. High Current Handling Capability: Because they use relatively thick copper wire for winding, their Direct Current Resistance (DCR) is typically low. This allows them to handle large currents without easily overheating or reaching magnetic saturation.
  2. Wide Inductance Range: They can be easily manufactured to provide a broad range of inductance values, from nano-Henries (nH) all the way to milli-Henries (mH).
  3. High Quality Factor (Q): Especially in high-frequency applications (like RF inductors using ceramic cores), the wire wound structure provides an exceptionally high Q value, resulting in lower signal loss.
  4. High Customizability: Manufacturers can flexibly adjust the number of turns, wire diameter, and core material to meet very specific circuit requirements.

📱 Main Categories & Applications

Depending on the application scenario and packaging, wire wound inductors are generally divided into two main categories:

Category Common Forms / Features Typical Applications
Power Wire Wound Inductors Usually feature ferrite or alloy powder cores. They focus on handling high currents with low power loss. DC-DC converters, Switching Mode Power Supplies (SMPS), TVs, computer motherboards, and automotive electronics.
RF Wire Wound Inductors Extremely small sizes (e.g., 0603, 0402 imperial packages). Often use ceramic cores to achieve ultra-high Self-Resonant Frequencies (SRF) and Q values. Smartphones, Wi-Fi/Bluetooth modules, smart wearables, and other high-frequency communication/RF circuits.

 

Application Areas

Widely used in switching power supplies (SMPS), DC-DC converters, solar inverters, EV charging systems, UPS power supplies, industrial automation equipment, telecom devices, audio equipment, welding machines, and renewable energy systems.
Suitable for EMI filter circuits, power factor correction (PFC), energy storage, noise suppression, and high frequency power conversion applications.

 

 

Our Company

 

We are specialized in electronics and magnetic components .The main products are Air core choke,Trough-hole Drum Core Inductor,Through-hole Power Inductor,Rod Core Choke,Through-hole Common Mode Choke.

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We are ISO9001: 2015 certified company.Our operating policy is "Quality comes first, customer foremost". We have excellent team engaging learning and mastering advanced technology . We provide high quality products , quick delivery , strong technical support & best service and would help our customers achieve the maximum value .
 

Exhibition And Certification

 

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Package

 

 

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