Small Electronic High Frequency Transformer EFD15-6mH For Switching Power Supply

1.Product Description

Structural characteristics of EFD15 6mH High Frequency Transformer

1. Magnetic core shape: EFD type magnetic core is used, which has good magnetic field concentration and electromagnetic shielding effect, can effectively reduce electromagnetic interference, and improve the stability and reliability of transformers.

2. Size specifications: Taking the common EFD15-01 model as an example, its length is 16.0mm, width is 16.0mm, and height is 8.0mm.

3. Winding form: Usually there are double windings or three windings, such as the common EFD15 horizontal 5+5SMD patch high-frequency transformer, which adopts a three winding form to meet different voltage conversion and power transmission requirements.

4. Inductance: The nominal inductance is 6mH, which can play a role in energy storage, filtering, etc. in the circuit, ensuring stable transmission and conversion of electrical energy.

5. Operating frequency: The general operating frequency range is 20kHz-500kHz, suitable for high-frequency circuits, which can effectively reduce the volume and weight of transformers and improve the power density of power supplies.

6. Output power: Generally, the output power is around 3W-12W.

7. Voltage resistance performance: It can withstand a certain voltage, such as a winding to winding voltage resistance of 3000VAC 1mA for 3 seconds, etc

2.Application Area

1. LED driver: In LED lighting systems, it is used to convert the input power supply voltage into a voltage and current suitable for LED operation, achieving stable driving of the LED.

2. Switching power supply: It is a key component in the switching power supply circuit, used to achieve functions such as voltage conversion, power transmission, and electrical isolation, ensuring the efficient and stable operation of the switching power supply.

3. Industrial power supply: In the power modules of industrial automation equipment, instruments and meters, it provides stable power supply for the equipment.