PT250-1200

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Fixed inductors are components used in electronic circuits to store and regulate the current in the circuit. They are usually designed as two parts: a core component and electrical windings that carry the current. The specific inductance of the component depends on the material used for the core and the number of turns of the windings. One of the most popular family of inductors is the PT250-1200. This series has been widely used in power supplies, audio applications, switching regulators, and consumer electronics. In this article, we will take a look at the PT250-1200\'s application fields and working principle.

Applications

The PT250-1200 series is a comprehensive range of fixed inductors that is suitable for a variety of applications. It is often used in SMPS (switched mode power supply), converters, motor drives, local networks, automotive electronics, industrial automation, and charge-coupled devices. It also has a wide range of inductance values, from 0.25 to 1.2 mH, making it suitable for low to medium frequency applications. In addition, these parts are robust and reliable, making them suitable for long-term operation in harsh environments.

The PT250-1200 series is also highly reliable. Its electrical characteristics remain stable over a wide temperature range, and it has high temperature cycling and storage life. Its construction also offers good thermal dissipation, allowing it to operate without heat sinks. Additionally, these parts are self-shielding, making them ideal for board-mounted applications. The series meets the UL 94V-0 flammability requirements and has RoHS certification.

Working Principle

The working principle behind inductors can be explained using Maxwell\'s equations. As current flows through an inductor, a changing magnetic field is generated around it. This changing magnetic field, in turn, induces a voltage in the winding. According to Faraday\'s law, this voltage is directly proportional to the rate at which the magnetic field changes. In other words, the larger the rate of change of the magnetic field, the larger the voltage. The voltage induced in the inductor is directly proportional to the current flowing through it.

In addition, when the applied voltage is constant, as is the case with the PT250-1200 series, the induced voltage is proportional to the rate of change of the current flowing through it. This is the basic working principle of fixed inductors. As the current passes through the windings of the PT250-1200 series, a voltage is induced that opposes the change in the current. This induced voltage helps regulate the current in the circuit, thus allowing the series to perform its intended purpose.

Conclusion

The PT250-1200 series of fixed inductors are versatile components used in a variety of applications. They offer a range of inductance values, making them suitable for low to medium frequency applications. Additionally, these parts are highly reliable and feature good thermal dissipation, making them suitable for long-term use in harsh environments. The working principle behind fixed inductors involves the generation of a changing magnetic field that induces a voltage in the windings. This voltage opposes the change in the current, thus allowing the part to regulate the current in the circuit.

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