We are a professional high frequency transformer suppliers and manufacturers, can offer high-quality high frequency transformers. The high Frequency Transformer for sale is the power transformer whose working frequency exceeds 10kHz. It is mainly used as the high frequency power transformer in switching power supply. According to the working frequency, our high frequency transformer custom design can be divided into several grades: 10kHz-50kHz, 50kHz-100kHz, 100kHz ~ 500kHz, 500kHz ~ 1MHz, 1MHz above.

High Frequency Transformer For Sale

Product Features

  • Efficient Power Conversion:

Our high frequency transformers are engineered to efficiently convert power at frequencies above the conventional 50/60Hz range, ensuring optimal performance in modern electronic devices.

  • Compact and Lightweight Design:

With a compact footprint and lightweight construction, our transformers are ideal for applications where space-saving and portability are essential.

  • High Power Density:

Designed to handle high power levels within a smaller footprint, our transformers offer high power density without compromising performance or reliability.

  • Wide Frequency Range:

Our transformers are capable of operating across a wide frequency range, making them versatile for use in various high frequency applications, including telecommunications, aerospace, medical devices, and renewable energy systems.

  • Customizable Solutions:

We offer customizable transformer solutions tailored to meet specific voltage, current, and frequency requirements, ensuring compatibility with diverse application needs.



  • Telecommunications:

Our high frequency transformers play a crucial role in telecommunications equipment, such as RF amplifiers, signal processing devices, and antenna matching networks.

  • Aerospace and Defense:

With stringent performance requirements, our transformers are trusted in aerospace and defense applications for radar systems, avionics, electronic warfare, and satellite communication systems.

  • Medical Devices:

Designed for reliability and precision, our transformers are used in medical imaging equipment, patient monitoring devices, laser systems, and therapeutic devices.

  • Renewable Energy:

Integrated into inverters and power converters, our transformers facilitate the efficient conversion of energy in renewable energy systems, including solar photovoltaic and wind turbine systems.

  • Industrial Automation:

From motor drives to robotics, our transformers provide reliable power conversion solutions for industrial automation equipment, ensuring smooth operation and energy efficiency.

Company Advantages

  • Expertise and Experience:

With decades of experience in transformer design and manufacturing, we bring expertise and reliability to every product we deliver.

  • Quality Assurance:

Committed to quality excellence, our transformers undergo stringent testing and quality control processes to meet industry standards and customer expectations.

  • Innovation and Technology:

Leveraging the latest advancements in materials and design techniques, we continuously innovate to deliver transformers that meet the evolving needs of modern electronic applications.

  • Customer-Centric Approach:

We prioritize customer satisfaction and strive to provide personalized solutions, responsive support, and timely delivery to meet our customers' unique requirements.

Environmental Responsibility: We are committed to sustainability and environmental responsibility, integrating eco-friendly practices into our manufacturing processes and product designs.


1. What is a high frequency transformer?

A high-frequency transformer is a type of transformer designed to operate efficiently at frequencies higher than the standard 50/60 Hz frequency of conventional power systems. These transformers are commonly used in applications such as power electronics, telecommunications, medical equipment, aerospace, and renewable energy systems, where high-frequency operation is required.

Key characteristics of high-frequency transformers include:

  • Core Material:

High-frequency transformers often utilize specialized core materials optimized for operation at higher frequencies. These materials may include ferrite, powdered iron, amorphous metal alloys, or other materials with low core losses and high magnetic permeability at high frequencies.

  • Windings:

The windings of high-frequency transformers are typically designed with finer wire gauges and tighter winding configurations to minimize skin effect and proximity effect at higher frequencies. This helps reduce resistive losses and improve efficiency.

  • Insulation:

High-frequency transformers require insulation materials capable of withstanding the increased electrical stresses and temperature rise associated with high-frequency operation. Insulation materials such as polyimide (e.g., Kapton) or specialized varnishes are often used to ensure reliable insulation performance.

  • Compact Design:

Due to the higher frequencies involved, high-frequency transformers can operate at smaller sizes compared to transformers designed for lower frequencies. This compact design is advantageous for applications where space is limited.

  • High Efficiency:

High-frequency transformers are designed for high efficiency to minimize energy losses and heat generation during operation. This is particularly important in applications where energy efficiency and thermal management are critical considerations.

  • Frequency Range:

High-frequency transformers can operate across a wide range of frequencies, depending on the specific application requirements. Frequencies ranging from several hundred Hz to several MHz are common in high-frequency transformer applications.

High-frequency transformers play a vital role in various electronic systems, facilitating voltage transformation, impedance matching, isolation, and signal coupling at elevated frequencies. Their efficient operation and compact design make them essential components in modern electronics, enabling the development of high-performance and energy-efficient devices across a wide range of industries.

2. What is the advantage of high frequency transformer?

High-frequency transformers offer several advantages over traditional transformers designed for lower frequencies:

  • Size and Weight:

High-frequency transformers can be much smaller and lighter compared to their lower frequency counterparts. This is because the higher operating frequency allows for smaller core sizes and thinner wire gauges, resulting in a more compact and lightweight design. This advantage is particularly valuable in applications where space and weight are limited, such as in portable electronics or aerospace systems.

  • Efficiency:

High-frequency transformers can achieve higher efficiency levels compared to lower frequency transformers. The reduced size and weight of the transformer components, along with optimized winding designs, contribute to lower resistive losses and improved overall efficiency. This increased efficiency can result in energy savings and reduced operating costs, especially in power conversion applications.

  • Frequency Response:

High-frequency transformers can operate over a wider frequency range compared to transformers designed for lower frequencies. This versatility allows them to be used in a variety of applications that require precise frequency response, such as in radio frequency (RF) communication systems, audio amplifiers, and power converters for renewable energy sources.

  • Improved Performance:

The higher operating frequency of high-frequency transformers enables faster response times and better transient response compared to lower frequency transformers. This can be advantageous in applications where rapid signal processing or dynamic load changes are encountered, such as in switch-mode power supplies or motor drives.

  • Reduced Electromagnetic Interference (EMI):

High-frequency transformers can help mitigate electromagnetic interference (EMI) issues in electronic systems. The compact design and tighter winding configurations of high-frequency transformers can reduce the generation and propagation of electromagnetic noise, resulting in cleaner signal transmission and improved system reliability.

  • Enhanced Thermal Management:

The smaller size and reduced heat generation of high-frequency transformers simplify thermal management in electronic systems. This allows for more efficient cooling solutions and can help prevent overheating issues, leading to greater system reliability and longevity.

Overall, the advantages of high-frequency transformers make them essential components in a wide range of electronic devices and systems, contributing to improved performance, efficiency, and reliability.

3. What is the difference between a high frequency transformer and a normal transformer?

The main difference between a high-frequency transformer and a normal transformer lies in their design, construction, and intended applications, primarily due to the difference in operating frequencies.

Operating Frequency:

  • Normal Transformer: Normal transformers operate at the standard power system frequencies of 50 or 60 Hz, depending on the region. These transformers are designed for applications where low-frequency alternating current (AC) power is used, such as in residential, commercial, and industrial power distribution.
  • High-Frequency Transformer: High-frequency transformers operate at frequencies higher than the standard power system frequencies. These frequencies typically range from several hundred Hz to several MHz (megahertz). High-frequency transformers are used in applications where rapid signal processing, high-speed switching, or efficient power conversion at elevated frequencies is required, such as in power electronics, telecommunications, medical equipment, and renewable energy systems.

Core and Windings:

  • Normal Transformer: Normal transformers typically use laminated steel cores and relatively large wire sizes for the windings. The cores are designed to minimize core losses at the low frequencies encountered in standard power systems.
  • High-Frequency Transformer: High-frequency transformers may use different core materials optimized for operation at higher frequencies, such as ferrite, powdered iron, or amorphous metal alloys. Additionally, the windings of high-frequency transformers are often made with finer wire gauges and tighter winding configurations to minimize skin effect and proximity effect at high frequencies.

Size and Weight:

  • Normal Transformer: Normal transformers tend to be larger and heavier due to the lower operating frequencies and the need for larger core and winding sizes to handle the required power levels.
  • High-Frequency Transformer: High-frequency transformers are typically smaller and lighter compared to normal transformers. The higher operating frequencies allow for smaller core sizes and thinner wire gauges, resulting in a more compact and lightweight design.

Efficiency and Performance:

  • Normal Transformer: Normal transformers are optimized for efficient power transmission and voltage transformation at low frequencies, typically up to 60 Hz. They provide reliable performance in standard power distribution applications.
  • High-Frequency Transformer: High-frequency transformers are designed to operate efficiently and provide precise voltage transformation at elevated frequencies. They offer advantages such as higher efficiency, faster response times, and improved transient response compared to normal transformers.

In summary, while both normal transformers and high-frequency transformers perform the basic function of voltage transformation, they are optimized for different operating frequencies and applications, leading to differences in design, size, efficiency, and performance.

4. What is the highest frequency for a transformer?

The highest frequency for a transformer can vary depending on various factors, including the design, materials used, and intended application. Generally, transformers can operate at frequencies ranging from a few Hz (hertz) to several MHz (megahertz). However, the upper limit of frequency for practical transformer operation is typically in the range of tens to hundreds of megahertz.

For traditional iron core transformers commonly used in power distribution and low-frequency applications, the upper frequency limit is limited by the core material and winding construction. At higher frequencies, core losses, eddy currents, and skin effect become significant, limiting the transformer's efficiency and performance.

In contrast, specialized transformers designed for high-frequency applications, such as those used in telecommunications, power electronics, and RF (radio frequency) systems, can operate at much higher frequencies. These transformers may utilize specialized core materials such as ferrite, powdered iron, or amorphous metals, as well as advanced winding techniques to minimize losses and maximize efficiency at elevated frequencies.

The highest frequency for a transformer is ultimately determined by factors such as the core material's magnetic properties, winding construction, insulation characteristics, and the specific application requirements. In some cases, transformers operating at frequencies exceeding several hundred megahertz or even gigahertz (GHz) may be feasible, especially in specialized applications such as RF communication systems, microwave electronics, and high-speed data transmission.

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