1945R-33H

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Fixed inductors, also known as coils or chokes, consist of a winding of insulated copper wire around a conductive core or ferrite. On one hand, they are used to create a magnetic field to induce a current in a separate conductor in their vicinity. On the other hand, they use their inductance to filter signals, store energy, or create electrical oscillation. The traditional design of fixed inductors reflects a simple method to regulate current flow, which makes them a common component in a variety of electronic sockets.

The 1945R-33H is one example of a low-profile, high-current fixed inductor. This low-profile device is designed specifically for power conversion applications such as switching regulators, LED drivers, and DC-DC converters. It is a 3.5mm height, 43.2mm length and width device with a vertical pin alignment for significantly improved heat dissipation. As a result, its ability to handle high currents and dissipate heat efficiently makes it ideal for a range of applications.

The 1945R-33H is an electrolytic type fixed inductor with a copper coil winding, and it exhibits excellent performance in terms of inductance and core loss characteristics. The winding is designed with two separate layers of coating to provide reliable insulation in harsh environments. The device features high energy density characteristics that enable it to save power and reduce noise. Additionally, the inductance value can be easily changed by adjusting the wound core materials.

The 1945R-33H works by inductively coupling energy through mutual induction. When a current passes through the coil winding, it creates a magnetic field that acts on the core material, inducing a voltage across it. This voltage then induces a second current in the winding, maintaining the magnetic field. This creates a self-sustaining cycle as the two currents are mutually dependent, meaning that the inductor acts as a low-pass filter, allowing AC signals to pass but blocking DC signals, thus providing power conversion.

In conclusion, the 1945R-33H is a low-profile, high-current fixed inductor designed to provide excellent performance in power conversion applications. It features two layers of insulation and a wound coil core that allows for an adjustable inductance value. It works by coupling energy through mutual induction, acting as a low-pass filter that allows AC signals to pass while blocking DC signals. The device is therefore an ideal choice for a range of applications, from LED drivers and DC/DC converters to switching regulators.

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