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Fixed Inductors

Fixed inductors are components used to store energy in the form of an inductor and have fixed inductance values. The PM125SH-150M is an example of a fixed inductor that provides reliable performance and cost-effective solutions for a variety of applications. The following sections explore the application field and working principle of the PM125SH-150M.

Application Field

The PM125SH-150M fixed inductor is used in a variety of applications, including power supplies, DC-DC converters, and switch-mode power supplies. Its low DCR (<100mOhm) and high inductance (150H) make it an ideal choice for these types of power electronics applications. In addition, it has a high temperature rating and is capable of withstanding temperatures up to 125°C, making it suitable for high power, high temperature, and high frequency applications.

The PM125SH-150M is also an ideal choice for applications requiring low-profile components. Its small size allows it to fit into tight spots, making it an ideal choice for those working with small electronics and Printed Circuit Boards (PCBs). The PM125SH-150M\'s inductance ratings also remain constant over a wide temperature range, making it reliable and consistent over a long period of time, which is beneficial for applications that require constant current and voltage levels.

Working Principle

The PM125SH-150M fixed inductor is based on the fundamental principle of inductance: that of an external magnetic field inducing an electromotive force (EMF) in a loop of wire. By placing either an elongated wire or metal core within a magnetic field, a voltage is produced as the field interacts with the conductor. This voltage is known as the back EMF, and is proportional to the inductance of the coil.

The PM125SH-150M consists of a core material, thin metallic winding, and an epoxy resin coating. The core material aids in the formation of a strong magnetic field, while the winding helps to direct it in the most efficient manner. The epoxy coating helps protect the inductor from environmental factors, such as dust and corrosion. The PM125SH-150M\'s high temperature rating also helps to improve the efficiency of the inductor over time, as the windings are encased in a coating that can withstand high temperatures.

The PM125SH-150M\'s high inductance (150H) is what makes it an ideal choice for applications requiring low-profile and energy-efficient components. Its small size and low DCR make it suitable for high power, high temperature, and high frequency applications, while its reliable performance makes it an ideal choice for applications requiring constant current and voltage levels.

The PM125SH-150M is a great choice for power electronics and Printed Circuit Board (PCB) applications. Its wide temperature range and reliable performance make it suitable for a variety of applications, from power supplies to DC-DC converters and switch-mode power supplies. With its low DCR and high inductance, it is a cost-effective component that provides reliable performance.

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