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.
| Features | Details |
| Core Type & Size | - Core Shape: EFD - type core offers excellent magnetic field
concentration. Its design helps in effectively confining the
magnetic flux, reducing magnetic leakage and enhancing
electromagnetic shielding. This results in better stability and
reliability of the transformer. |
| - Dimensions: Specifically, for the EFD15 model, it typically has a
length of 16.0mm, width of 16.0mm, and height of 8.0mm. This
compact size is beneficial for applications where space is at a
premium. |
| Winding Configuration | - Number of Windings: Usually comes with dual - winding or triple -
winding options. For example, the EFD15 horizontal 5 + 5 SMD patch
high - frequency transformer features a triple - winding structure.
This flexibility allows for different voltage transformation ratios
and power transfer requirements to be met. |
| Inductance Value | - Nominal Inductance: With a rated inductance of 6mH, it plays a
crucial role in energy storage and filtering within the circuit.
This value enables stable power transmission and conversion,
ensuring the smooth operation of electrical components connected to
it. |
