IR02ST1R2J

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Fixed Inductors

Inductors are the basic components of any electrical circuit, which play an important role in the electrical operations. Due to their wide application range, from low-signal, analog circuits to radio-frequency (RF) and switch-mode power circuits, inductors have been designed to meet the variety of needs and applications. One of the most common types of inductors for these applications is the fixed inductor, which is specifically designed to remain in the same inductance value throughout its operating frequency range.

One of the most popular fixed inductors is the IR02ST1R2J. This device is a two-layer, non-segmented surface mount inductor, designed to maintain a fixed inductance value from DC up to 2GHz. It is an SMD component with an operating temperature range of -40 °C to +85 ° C, and a maximum operating frequency of 2GHz.

The IR02ST1R2J series was designed to provide a robust construction for a wide range of applications. Its two-layer construction consists of a ferrite core winding and a copper-alloy shield. This provides high inductance accuracy and excellent Q factor over the full operating range of −40°C to +85°C. The device also features a low DC resistance, which helps reduce power dissipation and heat generation, and makes it suitable for DC-DC converter circuits and high current applications.

The main application of the IR02ST1R2J is to reduce EMI (electromagnetic interference) in radio and high-frequency circuits. Due to its high Q factor and low DC resistance, it is also suitable for RF amplifier circuits, high-frequency power supplies, and other high-frequency applications.

The working principle of the IR02ST1R2J is based on the inductive reactance property of an inductor. When a current flowing through an inductor changes, it generates an electromotive force (EMF), which tends to oppose the change of current. This property is used to convert electrical energy into magnetic energy, which can be used in various electrical applications.

The IR02ST1R2J is manufactured using a high-resolution manufacturing process which ensures that its inductance does not vary when operating at high frequencies. This is achieved by minimizing the tolerances between the winding turns and the core material, thus minimizing energy losses. The use of a ferrite core provides additional benefits, such as providing a higher Q factor, while the copper-alloy shield offers excellent RF protection.

The IR02ST1R2J is popular due its robust construction and excellent performance. It is widely used in radio and high-frequency circuits to reduce EMI and improve the overall circuit performance. Additionally, because of its low DC resistance, it is suitable for use in DC-DC converter circuits and other high current applications.

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