4470-03F

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The 4470-03F is a type of fixed inductor (or coil) used in a variety of electronic circuits. It is a small, wet-wound coil with a ferrite core. It is typically used in low-power, low-frequency applications such as radio receivers and remote control systems.

The 4470-03F fixed inductor is designed to offer excellent reliability and stability in its application. It is capable of operating over a wide range of temperatures, with a temperature range from -40°C to +125°C and a nominal temperature coefficient of 5ppm/°C. Its typical impedance level is 200 Ω over a frequency range of 0-30MHz with a maximum DC current of 25mA.

Fixed inductors are components that store electrical energy in the form of a magnetic field. When an electric current flows through the coil, a magnetic field builds in the core of the inductor. This magnetic field creates an opposition to the current, known as inductance. As the electric current increases or decreases, the induced magnetic field will either increase in intensity, or weaken, causing the inductance to either increase or decrease.

In addition to this, the 4470-03F also features a wide range of convenient connection options. Its low-resistance vertical terminals are convenient for soldering and insulation applications. Additionally, the heavily plated surface of the coil improves contact resistance, allowing for reliable conductivity and a secure mounting position.

The main use of fixed inductors is in passive filters. A passive filter is a type of circuit that is used to block certain frequencies from passing while allowing others to pass through. A fixed inductor is ideal for this type of application, as it is able to maintain a consistent inductance value within a wide range of frequencies.

The 4470-03F is also frequently used for power line filtering. Line filtering is the process of removing high frequency signals from the power line, such as from digital devices, so that the devices attached to the power supply will not be damaged. The inductor operates as a low-pass filter, allowing the higher frequency signals to be filtered from the supply.

The 4470-03F is also used as a choke or an electromagnetic interference filter. A choke operates by limiting the amount of current that can pass through the coil. This can be beneficial in reducing interference and noise from digital signals, by blocking high frequency currents that could disrupt other portions of the circuit.

In summary, the 4470-03F fixed inductor is a robust component used in a wide variety of applications. With its low temperature coefficient, high impedance level and convenient mounting options, it is easy to see why the 4470-03F is a popular choice for a variety of circuits.

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