1210-121G

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Fixed Inductors are electronic components that are made up of one or more coils of wire that are wound around a central core. They are used in a variety of applications in electronics, including power supplies, audio amplifiers, radio receivers and transmitters, and analog circuits. The shape and size of the inductor, as well as the materials used in its construction determine its characteristics, namely its inductance, resistance, and capacitance.

The 1210-121G is a type of fixed inductor commonly used in a variety of applications. It has a relatively small size, with an inner diameter of 12.4mm, an outer diameter of 11mm, and a height of 3.7mm. It features a high resistance, low parasitic capacitance, and high current carrying capacity. Its construction consists of ferrite coil material wound around a hollow core with copper lead wires attaching it to the circuit board.

The primary applications of the 1210-121G are in power supplies for consumer electronics and audio equipment, as well as in radio and television receivers. In these applications, it acts as a choke to reduce the external electromagnetic interference of the circuit, while allowing the electric current to pass uninterrupted. It also serves as part of a low-pass filter, helping to filter out the higher frequency components of the signal, allowing only the desired lower frequency components to pass.

The working principle of a fixed inductor is relatively simple once its construction is understood. Its coils of wire create a magnetic field in opposite directions, which opposes any changes in current. As a result, the inductor acts as a resistive force, allowing only gradual changes in the current passing through it, while keeping the signal within a certain range of frequencies. This property helps to smooth the sine waves of the signal, creating a more accurate and uniform response.

Thanks to its small size, low cost, and high performance, fixed inductors in the 1210-121G format are being used in a wide variety of devices and applications. Its design helps to reduce interference from outside sources and provides good signal conditioning for high frequency signals. Whether used as part of a power supply, filter, or RF circuit, the 1210-121G is sure to provide the user with reliable performance.

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