VLCF5028T-4R7N1R5-2 Inductors, Coils, Chokes

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Fixed inductors, also known as chokes, are basically electrical devices, named after their ability to ‘choke’ or stop the flow of electrical current inside a circuit. They are typically used as part of a larger circuit to slow down the current, or to block the passage of certain frequencies from passing through the circuit. The most common type of fixed inductor is the VLCF5028T-4R7N1R5-2.

The VLCF5028T-4R7N1R5-2 is a small and compact package fixed inductor measuring in at just 4.5mm x 5.2mm x 4.4mm. Despite its size, this inductor offers a high inductance value of 28mH to support stronger and more reliable circuits. It is suitable for low frequency applications, and the impedance is frequency-dependent, allowing for higher current values and less energy loss.

The VLCF5028T-4R7N1R5-2 has a low DC resistance of 0.50 Ω, and a high self-resonant frequency of 33MHz. It is capable of operating at voltages of up to 50V and at temperatures from -40°C to +125°C, making it well suited for a range of harsh environments. This inductor also has a damping function, meaning it can suppress high-frequency noise and protect connected devices from it.

The VLCF5028T-4R7N1R5-2 is commonly used in communication, automotive, and consumer electronics applications. In automotive applications, the inductor is used in electric fuel pump circuits and ignition systems. In consumer electronics, it is used in battery-powered devices such as mobile phones, tablets, and laptop computers. It also features heavily in communication systems such as radio and television transmitters and receivers.

The working principle behind a fixed inductor is simple. It works by using magnetic fields created by passing electric current through a coil of wire to resist, or “choke”, the flow of current. An alternating current is created which works in combination with the inductor’s components to turn the electric current into magnetic flux. This flux then interacts with the inductor’s windings to create a secondary magnetic field which opposes the first one. This creates an opposition to electric current passing through the coil which slows it down, allowing it to be used in various types of filtering applications.

The VLCF5028T-4R7N1R5-2 is a popular choice in fixed inductors due to its small size, high inductance value, high operating temperature range, and damping function. Its application in various communication, automotive, and consumer electronics systems makes it a versatile and reliable component for circuit design.

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