PM75-101K

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Fixed inductors are a type of passive component that stores energy in the form of electric current. They are typically used to filter electrical frequencies from a signal, limit current, reduce noise, and adjust AC/DC voltages in power supply circuits. The PM75-101K is one of the most popular fixed inductors on the market due to its high power and low price point.

The PM75-101K inductor is a shielded ferrite core inductor with a shielded winding. It has a rated inductance of 1.00mH, a maximum current rating of 2.41A, and a rated DC resistance of 0.029 ohms. It is rated for operating temperatures between -40°C to +85°C and is available in a variety of sizes, including 8.3mm x 11mm, 8.3mm x 12mm, and 8.3mm x 14mm. It also has a maximum voltage rating of 250V. The PM75-101K is constructed from a heavy-duty ferrite core with an insulated copper wire winding and a nickel-plated copper shield.

The primary application field of the PM75-101K is power supplies for consumer and medical electronics, telecommunications equipment, consumer appliances, and industrial control equipment. It can be used as an EMI filter to filter out electromagnetic interference, as a power line filter to reduce EMI, as a DC voltage regulator, and as a noise filter. It can also be used in diode-bridge circuits, voltage regulators, audio circuits, automotive circuits, and power amplifiers.

The working principle of the PM75-101K is very simple. It works by storing electric current in the form of a magnetic field. When AC current flows through the winding, a magnetic field is generated and stored in the ferrite core. This stored magnetic field then reacts with the AC current by inducing a voltage across the winding. This opposes the original AC current, reducing its magnitude and hence limiting the flow of current.

The PM75-101K is engineered to provide high power, low losses, and high reliability. Its shielded winding also helps reduce electromagnetic interference. Its low price point and wide availability make it an attractive choice for many power electronics applications.

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