1812-680K

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Fixed inductors, sometimes referred to as permanent magnets or non-variable inductors, are a type of inductor that has a fixed value and can offer efficient electrical energy storage or an output current that is largely unaffected by temperature. The 1812-680K series is a popular family of fixed inductors featuring a wide range of inductance options from 10uH up to 220uH. These inductors possess an impressively low DC resistance, allowing current to flow more freely through the inductor’s windings and thus maximize energy efficiency.

These particular inductors come in a standard EIA size that measures 0.120”x 0.060”x 0.048”and feature an operating temperature range of 40 to 200°C (104 to 392°F). In order to withstand such high temperatures, the 1812-680K is constructed out of high quality materials such as a nickel-zinc alloy base material, a heavy duty insulation sleeve, and a copper braided shielding wire.

Though they are compact in size, the 1812-680K overcomes the size factor by offering high power conversions and exceptional heat dissipation capabilities. These small size and high performance characteristics make this inductor family suitable for use in many high power switching power supplies, such as those found in desktop PCs, servers and other high performance applications. Additionally, they can be used in numerous other applications ranging from powerful electric motors to audio equipment.

In terms of its operation, the inductor works by creating a magnetic field by passing a varying electric current through its windings. This in turn creates a corresponding magnetic flux in the core of the inductor, which changes with the current and creates an electromotive force in the winding opposing the initially applied electric current. In doing so, the inductor stores energy in the form of the magnetic flux, and also limits or moderates the rate of change of the current.

The 1812-680K is a versatile fixed inductor family that can be used in a variety of applications, from high speed switching power supplies to remote control systems. It is ideal for many circumstances requiring an efficient and reliable inductor, such as those found in audio equipment, motors, energy conversion systems, and other industrial and consumer electronics. Its low DC resistance and outstanding heat dissipation capabilities also make it a great choice for applications requiring high power conversion.

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