I-core inductor is a special type of inductor whose magnetic core shape resembles the letter "I", hence its name. This type of inductor typically has axial leads and is suitable for through-hole mounting. The magnetic core of a H-shaped inductor is usually made of ferrite or other magnetic materials to enhance the inductance effect and provide a good magnetic flux path.

characteristic:

Simple structure: The structure of a I-shaped inductor is relatively simple, consisting of a I-shaped magnetic core and a coil wound around it.

Cost efficiency: Due to the relatively simple manufacturing process, H-shaped inductors usually have good cost efficiency.

Flexibility: The number of turns of the coil and the size of the magnetic core can be adjusted as needed to obtain the desired inductance value.

Good inductance characteristics: H-shaped inductors typically have lower DC resistance (DCR) and higher Q value (quality factor).

Application:

I-shaped inductors are widely used in the following fields:

Power management: used in power supplies to smooth output voltage and filter out noise.

Audio equipment: used for coupling and decoupling audio signals in amplifier and speaker systems.

Communication equipment: used in radio receivers and transmitters for tuning and filtering of radio frequency (RF) signals.

Industrial control: used for current smoothing and control in motor drives and frequency converters.

Packaging and dimensions:

The packaging and size of H-shaped inductors vary depending on the manufacturer and specific application requirements, but different models can usually be distinguished based on the size of the magnetic core and the number of turns of the coil. Dimensions are usually expressed in terms of the length, width, and height of the magnetic core, such as 20mm x 10mm x 10mm.

When selecting a H-shaped inductor, the following parameters need to be considered:

Inductance value: Determine the required inductance value based on the circuit design requirements.

Rated current: The maximum current that an inductor can safely withstand.

Direct current resistance (DCR): The inherent resistance of an inductor, which affects power loss and efficiency.

Self resonant frequency (SRF): The self resonant frequency of an inductor at high frequencies, beyond which the inductor will no longer exhibit ideal inductance behavior.

Temperature rise: The maximum allowable temperature rise of an inductor during operation.

Size and packaging: Choose the appropriate size and packaging based on the actual installation space and process.

Manufacturers usually provide detailed product specifications and data sheets to help users make appropriate choices. Due to the wide variety of types of inductors, the most suitable inductor product should be selected based on specific circuit design and application requirements. Meanwhile, considering the important role of H-shaped inductors in circuits, the stability of their quality and performance is crucial for the reliable operation of the entire system.