IR04BH122J

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Fixed inductors, also known as Choke coils, are passive electronic components composed of wire wound around a core material, typically metal. An inductor stores energy in its magnetic field in response to a current passing through it and is used as a component in electronic filters, power supplies and power circuits. The IR04BH122J is a type of fixed inductor that is used in applications such as power supply filters, high frequency input/output circuits, and power circuits.

The IR04BH122J is a bobbin style fixed inductor with ferrite cores, and a rated inductance of 1.2 uH. It utilizes a wire gauged of 1.2mΩ, an inductance tolerance of ±20%, and a current capacity of 200mA. The physical size of the IR04BH122J is small, at 15.3 x 8.0mm, making it ideal for use in tight spaces. It has a maximum operating temperature of +105°C and an operating humidity range of 40-90%.

The IR04BH122J is typically used in low voltage electronic circuits which require good environmental protection. Its small size allows it to be used in applications which require a compact form factor, such as power supplies and transformer circuits. The ferrite cores used in the IR04BH122J have low losses at high frequency, making it well suited for high frequency switching or high frequency input/output circuits. The 200mA current capacity of the IR04BH122J allows it to be used in low EMI filter circuit applications.

The working principle of the IR04BH122J can be explained using Faraday\'s law of induction. Faraday\'s law states that when a magnetic field is applied to an inductor, it induces a current in the inductor. This induced current is known as the back emf, or back electromotive force. The back emf of the IR04BH122J is directly proportional to the rate of change of the magnetic field.

The core material of the IR04BH122J is made of ferrite, which is a type of material that exhibits a high degree of initial permeability. This allows the inductor to store energy in its magnetic field much more efficiently than traditional inductors which use other core materials, such as iron. The ferrite core also allows the IR04BH122J to operate at higher frequencies without loss.

In addition to its small size, the IR04BH122J offers better thermal performance than traditional inductors due to its increased operating temperature and humidity range. The internal construction of the IR04BH122J is very important for its performance as it allows it to be used in higher power applications. The internal construction of the IR04BH122J consists of a ferrite core and a layer of copper wire wound around it. This construction allows the IR04BH122J to operate with less inductance loss at higher frequencies and higher currents, which makes it ideal for high frequency switching and power applications.

In conclusion, the IR04BH122J is a bobbin style fixed inductor with ferrite cores and a rated inductance of 1.2 uH. It has a wire gauge of 1.2mΩ, an inductance tolerance of ±20%, and a current capacity of 200mA. The small size, high operating temperature and humidity range, and the ferrite core of the IR04BH122J make it ideal for use in applications such as power supply filters, high frequency input/output circuits, and power circuits. The construction of the IR04BH122J allows it to operate with less inductance loss at higher frequencies and higher currents, making it a good choice for high power applications.

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