BRL2012T220M

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Fixed Inductors: BRL2012T220M Application Field and Working Principle

Fixed inductors are electrical devices that are primarily used to store and release electrical power. They are generally found in many electrical circuits and equipment, such as amplifiers, speakers, and communicators. The purpose of a fixed inductor is to provide a controllable and predictable current vs. voltage relationship. Fixed inductors are passive components, meaning they do not contain any active electronics but instead rely on the physical attributes of the inductance itself. The BRL2012T220M is a type of fixed inductor and this article will discuss its application field and working principle.

The BRL2012T220M inductor is a radial leaded part designed primarily for the telecom, automotive, HVAC, and industrial markets, although its utilization is varied. This type of fixed inductor is being used in a range of common applications such as induction motors, generators, relays, transformers, and power systems. It provides a very compact form factor with high temperature and high current capabilities, making it ideal for use in harsh environments.

The primary working principle of a fixed inductor like the BRL2012T220M is simple. When electrical current flows through the inductor, a magnetic field is created around it. This magnetic field then induces a voltage through a variety of means such as Lenz’s Law or Faraday’s Law. The magnitude of the voltage is directly proportional to the current flowing through the inductor, as expressed by Ohm’s law. This induces voltage can then be used to power other components of the circuit.

When a DC current is supplied to a fixed inductor like the BRL2012T220M, the current will gradually build up as an increasing magnetic field is created around it. This is known as DC inductance. When the switch used to supply the current is closed, the current is no longer supplied and the magnetic field around the inductor collapses. This causes a reverse impulse of electric current, known as fly-back current. The magnitude of this current is related to the amount of current and voltage supplied to the primary part of the inductor.

The BRL2012T220M fixed inductor has a wide range of applications from providing a controllable current to powering other components in a system. Its design provides a compact form factor and high temperature and current capabilities. The working principle is simple and based on the fundamental idea of a magnetic field being inducing an electric current in the primary part of the inductor, allowing it to be used in a variety of circuits.

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