High frequency transformers are essential components in various electronic applications, particularly in power conversion and signal transmission. Below are the descriptions of different types of high frequency transformers: EE Transformer, EI Transformer, EF Transformer, and EEL Transformer.

1. EE Transformer

Shape: The EE transformer consists of two E-shaped cores and a central leg, forming a compact structure.

Applications: Commonly used in switch-mode power supplies, DC-DC converters, and audio amplifiers.

Advantages: Offers low leakage inductance and good efficiency at high frequencies. The design allows for easy winding of coils, which enhances performance.

2. EI Transformer

Shape: The EI transformer features an E-shaped core and an I-shaped core, which are typically stacked to form a complete magnetic circuit.

Applications: Widely used in power supplies, inverters, and various electronic devices.

Advantages: Provides good magnetic coupling and is cost-effective. Its design is suitable for both low and high-frequency applications.

3. EF Transformer

Shape: The EF transformer combines an E-shaped core and an F-shaped core, often used to optimize space.

Applications: Ideal for compact power supplies, mobile devices, and high-frequency applications.

Advantages: Offers high efficiency and reduced size, making it suitable for applications where space is limited.

4. EEL Transformer

Shape: The EEL transformer features an E-shaped core with an additional L-shaped leg, which enhances magnetic coupling.

Applications: Commonly used in high-frequency power supplies and signal transformers.

Advantages: Provides excellent performance at high frequencies, with reduced losses and improved efficiency.

EE, EI, EF, EEL class transformer

High frequency transformers are Commonly used to make small and medium-sized transformers with inductors, low cost, and simple process;

■ Features

EE, EI, EF, EEL transformer with low magnetic core loss, high magnetic permeability, high magnetic saturation density, high conversion efficiency, and high reliability.

■ Application

EE, EI, EF, EEL transformers are widely used in various switch mode power supplies, chargers, etc.