1812-473H

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Fixed inductors are passive electronic components used to store energy in the form of an electro-magnetic field. The 1812-473H is one such component, used in many applications due to its versatility and reliability. This article will discuss the 1812-473H\'s application field and working principle.

The 1812-473H is an axial-lead, ferrite core inductor designed for use in medium power, range-extension and common mode applications. It is suitable for use in automotive, telecommunications, military, consumer and many other types of applications. It is also popular for use in EMI (electromagnetic interference) suppression, as its high-frequency characteristics offer excellent performance in applications that require high frequency operation.

The 1812-473H has a maximum operating temperature of 125°C and can handle up to 2.0A current ratings. Its current-saturation characteristics make it an optimal choice for applications such as motor control, lighting, audio and power conversion.

The inner structure of the 1812-473H is made up of a ferrite core and two coils. The core acts as a magnetic shield for the coils, preventing interference from external fields. The two coils are tightly wound together, with the inner coil commonly referred to as the “active” coil and the outer coil referred to as the “passive” coil. This arrangement allows for efficient heat transfer and maximizes the inductor’s performance.

The 1812-473H works on the principle of inductance, which states that when a current passes through a conductor, it creates an electro-magnetic field around it. This field stores energy which can be released back to the circuit. In the case of the 1812-473H, the 2 coils wind around the ferrite core, amplifying the electro-magnetic field created. This greatly increases the stored energy released back to the circuit and increases the inductors’ total output.

Due to its excellent frequency response and reliable operation, the 1812-473H is widely used in many applications, such as filtering, audio amplifiers, motors, power switches, lighting circuits and power supplies. Its compact size and low profile design make it perfectly suited for chassis and panel mount use.

In conclusion, the 1812-473H is an ideal inductor for many medium and low power applications. Its high current ratings, temperature stability, and excellent frequency response make it perfect for use in automotive, telecommunications and military applications. With its small size and low profile design, it can be easily mounted in panel or chassis applications.

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