P1812R-222G

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Fixed inductors refer to electronic components that use an inductor coil to store magnetic energy in the form of an electric field. P1812R-222G is a radial fixed inductor which is used in a variety of circuits requiring noise suppression, voltage filtering, regulator ratings, and current source control.

The P1812R-222G is a small size radial leaded inductor, measuring 4.72mm in diameter and 9.2mm in height. It consists of a flat metal core, a coil wrapped around it, and an end cap at one end. The end cap is bent and is soldered to the metal core. This forms an air gap where the magnetic flux generated by the core’s current follows a closed loop via the end cap. The induced voltage across the end cap is proportional to the current flowing through the core. This voltage can then be used to regulate the current in the circuit.

In terms of electrical performance, the P1812R-222G has a rated current of 200mA, and when an alternating current of 3A is applied to it, the maximum resistance is 0.15 ohms. It has a rated inductance of 220uH and a frequency of up to 500 kHz. Additionally, it has a low profile rust-resistant construction and a high temperature rating of up to 175°C.

The P1812R-222G is used in many applications ranging from consumer electronics to industrial control systems. It is widely used in power supply circuit, switching power supply EMI filter, noise filter and voltage stabilizer, which provide current smoothing and noise suppression in a wide range of DC circuits. The inductor coil used in the P1812R-222G, provides good linearity and harmonic attenuation, resulting in improved efficiency and better signal quality.

In terms of its working principle, the P1812R-222G works by utilizing the fact that when a current passes through a coil, it establishes a magnetic field in the region surrounding the coil. This causes an changing electric field to be created, which then induces a voltage across the coil. This voltage is a function of the current passing through the coil, and is proportional to the rate of change of the magnetic flux in the region surrounding the coil.

The P1812R-222G is a highly efficient, low power fixed inductor that can be used to improve power supply circuitry, reduce noise, and improve signal quality. It is a small, cost-effective solution for electronic designs requiring current smoothing, noise suppression, and voltage regulation.

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