HM66A-1255101MLF13

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A fixed inductor, also known as a choke or simply an inductor, is an electrical component used to create inductive circuits, whereby the electrical current of an alternating current (AC) is converted into a linear (non-switching) voltage. The HM66A-1255101MLF13 is an example of a fixed inductor, primarily used for power supply filtering in a range of medium to high-power AC applications. This article will examine the application field and working principle of the HM66A-1255101MLF13.

The HM66A-1255101MLF13 is a compact fixed inductor widely used in power supplies, as well as other electrical and electronic equipment. It is constructed of a ferrite material and has a rated current of up to 8.6A and a maximum DC resistance of 0.315Ω. The inductor is available in either a 12mm x 18mm x 12.6mm (1255101) or 12mm x 18mm x 24mm (1255201) size. The device is designed to provide high inductance, low resistance, and high power filtering capability. It features an epoxy resin seal, which helps to reduce vibration and increases its EMI suppression. It is also designed to be RoHS compliant.

The HM66A-1255101MLF13 is generally used for power supply filtering in high-power AC applications, such as audio amplifiers, power supplies, power controllers, and flyback converters. Its high inductance allows it to act as an impedance to devices that draw too much power from a power source. This reduces the amount of current that the device draws and helps protect the power source from excessive current drain. It also helps to reduce EMI noise, since the inductor acts like a low pass filter to reduce the amount of EMI emitted by a device. The inductor can also act as an impedance to high-frequency devices, reducing the amount of power that the device draws and increasing its efficiency.

The working principle of the HM66A-1255101MLF13 is relatively simple. When an AC current passes through the coils of the inductor, a magnetic field is created and the resulting magnetic field creates an opposing force on the current. This causes a small voltage drop, which increases as the current increases, and serves to reduce the current flow, thus protecting the current source.

The HM66A-1255101MLF13 is well suited to high-power AC applications, and its high inductance, low resistance, and high power filtering capabilities make it a reliable component for power supply filtering. Its epoxy resin seal also helps to protect the device from vibration, as well as providing extra EMI suppression capabilities. The inductor\'s small size and low profile make it easy to install and its RoHS compliance makes it an attractive choice for many applications.

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