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In electronics, a choke is an inductor used to block higher-frequency alternating currents (AC) while passing direct current (DC) and lower-frequency ACs in a circuit. A choke usually consists of a coil of insulated wire often wound on a magnetic core, although some consist of a doughnut-shaped ferrite bead strung on a wire.
A choke is a type of inductor, but its application, function, and design differ from other inductor designs. Typically, this electrical component features a donut-shaped core with an insulated coil wrapped around it. As the name implies, a choke cuts off or restricts high-frequency alternating current (AC).
A choke is essentially an inductor that is specifically used to filter or suppress certain frequencies in an electrical circuit. It consists of a coil of wire wound around a magnetic core, typically made of ferrite or iron.
Chokes are fixed inductors primarily intended to "choke" off alternating currents, including rf from DC supply lines. The "rf choke" is designed to have a high impedance over a large range of frequencies.
Apr 16, 2024 · Choke inductors are workhorses in electronics, silently ensuring clean power delivery, signal integrity, and protection from unwanted interference. By understanding their operating principles and various types, you gain valuable insight into the intricate workings of electronic circuits.
What’s a choke? What’s an inductor? Find out in this quick one minute tutorial.About One Minute Tutorials:I often include short tutorials in my videos. But t...
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Feb 24, 2012 · A line reactor, also called an electrical reactor or choke, is a coil used with variable frequency drive (VFD). As current flows through the coil, it creates a magnetic field that slows the rise of current, reducing harmonics and protecting the drive from power surges and transients.
