High power, high frequency transformers
FBelec specializes in the production of power transformers, high-frequency transformers, low-frequency transformers, ring transformers, inductors, coils, and other products with stable and guaranteed quality, in line with international standards, and to be first-class China brands!
FBelec focuses on providing customers with solutions for transformers and inductors in industrial power supplies, medical power supplies, military power supplies, automotive electronics, rail transit power supplies, power supplies, elevator emergency power supplies, variable frequency power supplies, POE and server power supplies, audio amplifier power supplies, inverter power supplies, as well as original and customized designs.EMI/RFI suppression.
The engineering team members of FBelec are professionals with over 25 years of experience in research and development, design, and management of foreign-funded companies. They are proficient in the research and design of high-frequency transformers and inductors with different topologies of switching power supplies, such as Flyback, Forward, Half Bridge, Full Bridge, Push Pull, LLC Half Bridge, Buck, Boost, etc.
Medical equipment and instruments - High frequency transformers and inductors series
FBelec's development department engineers have developed a series of high-frequency transformers and inductors suitable for medical equipment and instrument customers' requirements. Transformers and inductors used in medical equipment and instruments have strict requirements in terms of safety, reliability, stability, leakage current, and lifespan. In response to these characteristics, engineers from the development department have designed transformers that, considering safety regulations, increase the spatial distance and creepage distance between the primary and secondary of the transformer, so that the isolation and withstand voltage between the primary and secondary can meet 5000V or above. Adopting a special winding structure to reduce the leakage current of the transformer, the minimum controllable is below 1mA. At the same time, considering the requirements of product stability, reliability, and lifespan, engineers strictly control the quality of products from multiple aspects such as design, structure, mechanics, experimentation, and testing, based on the selection of high-quality raw materials.
At present, our company has provided transformers and inductors to dozens of well-known brand medical equipment and instrument companies, and has won unanimous praise from customers in the medical industry. The industry includes rehabilitation medical equipment, surgical equipment, X-ray machines, treatment equipment, handheld medical instruments, healthcare equipment, and medical beauty equipment. Our engineers have rich experience in transformers and inductors in the medical industry, which can easily help customers solve problems encountered in research and development design, improve product quality and competitiveness.
Complete list of high-frequency transformer models and parameters
High frequency transformer is a common electronic component widely used in various electronic devices. It can convert voltage from one level to another while maintaining the efficiency of energy transfer. This article will introduce common models and parameters of high-frequency transformers.
1. High frequency transformer model
High frequency transformers can be classified into various models based on their usage scenarios, such as SMD type, plug-in type, PCB type, etc. Different models of high-frequency transformers have different external dimensions and installation methods, and the selection needs to be based on specific requirements.
2. High frequency transformer parameters
High frequency transformers have many parameters, among which the more important parameters include rated power, rated inductance, operating frequency, etc. Rated power refers to the maximum power that a high-frequency transformer can withstand, rated inductance refers to the inductive size of the high-frequency transformer, and operating frequency refers to the operating frequency range of the high-frequency transformer. When selecting a high-frequency transformer, these parameters need to be determined based on specific operational requirements.
3. Selection of high-frequency transformers
When selecting, it is necessary to consider a comprehensive range of factors, including circuit, power, size, installation method, etc. Generally speaking, when selecting a high-frequency transformer, it is necessary to determine parameters such as the maximum voltage, maximum current, minimum operating frequency, and maximum operating frequency required, as well as the installation method and volume size of the high-frequency transformer.
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High frequency transformer magnetic core specification table: RM4, RM5, RM6, RM8, RM10, etc.
1. PM type magnetic cores: such as PM74, PM96, PM114, PM125, etc.
2. PQ type magnetic cores: such as PQ2020, PQ2620, PQ3230, PQ3535, etc.
3. E-type magnetic core: such as E16/8/5, E25/13/7, E42/21/15, etc.
4. EE type magnetic core: such as EE10/5, EE13/6/6, EE19/9/5, etc.
5. EFD type magnetic cores: such as EFD15, EFD20, EFD25, EFD30, etc.
6. EP type magnetic cores: such as EP13, EP17, EP24, EP31, etc.
7. ET type magnetic core: such as ETD29, ETD34, ETD39, ETD44, etc.
High frequency can also be divided into higher frequency (20kHz ~ 50KHz), medium high frequency (50KHz ~ 200kHz), high frequency (200kHz ~ 1MHz) and ultra-high frequency (above 1MHz), but they all belong to high frequency, and they do not have different understanding of high frequency because of different applicable power. It is a misunderstanding that there are different ranges of high frequency under different power.
Overall structure of high frequency electronic transformer
In order to adapt to the increasingly light and short electronic equipment, a main development direction of high-frequency electronic transformer is to develop from three-dimensional structure to plane structure, chip structure and film structure, so as to form generation after generation of new high-frequency electronic transformers: plane transformer, chip transformer and film transformer. The development of the overall structure of high-frequency electronic transformer not only forms a new magnetic core structure and coil structure and adopts new materials, but also brings a new development direction to the design and production process. In terms of design, in addition to studying the electromagnetic field distribution of various new structures and how to achieve the optimal design, we should also study various problems of multilayer structures. In terms of production technology, we should study various new processing methods, so as to ensure the consistency of performance and realize the mechanization and automation of processing technology.
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