2256R-42L

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Fixed inductors are various types of electronic components that have a relatively constant inductance value over a wide frequency range. They are typically one of three types of electric coils: a ferrite core inductor, an air core inductor and a toroidal inductor. The 2256R-42L is a fixed air core inductor, which is commonly used in low and mid-frequency signal conditioning applications, high frequency switching circuits, and power converters.

An air core inductor utilizes the self-inductance of a coil of wire without any core material. Its construction consists of a cylindrical shell, normally solid copper, which encases the wound coil of wire. Air core inductors are usually characterized by having a low inductance value quite evenly distributed over a wide frequency range, although their maximum inductance value is comparatively low.

Additionally, a 2256R-42L also has low DC resistance and a high Unsaturated Reactance (Xu) making it suitable for a variety of RF signal conditioning applications where high impedance stability is essential. Its RoHS compliant design also ensures that it is free from hazardous materials such as lead.

Air core inductors like the 2256R-42L are also often used in high frequency switching circuits. This is because they offer low distributed capacitance and low AC resistance, both of which are essential for high frequency circuit stability. Additionally, the 2256R-42L is rated up to a maximum operating temperature of 125°C (257°F), making it suitable for power-switching circuits where there is potential for heat generation due to current flow.

Power converters also benefit from the high Unsaturated Reactance provided by the 2256R-42L. Their high Xu value ensures minimal power loss, allowing for more efficient power transfer from the DC power supply to the device. This makes them ideal for applications such as LED lighting units, charging circuits and other power-sensitive systems.

In conclusion, the 2256R-42L is a fixed air core inductor commonly used in various low and mid-frequency signal conditioning applications, high frequency switching circuits, and power converters. Its RoHS compliant design, low DC resistance and high Unsaturated Reactance make it an ideal choice for a variety of RF, switching, and power conversion applications where high stability and efficient power transfer are required.

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