SPM4030T-2R2M Inductors, Coils, Chokes

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Fixed inductors, or sometimes referred to as “chokes”, are essentially a coil of wire with some type of core material, used to create the desired inductance. The SPM4030T-2R2M is a popular type of fixed inductor, and is most commonly used for power conversion applications, such as DC-DC converters and power supplies.

The SPM4030T-2R2M consists of a toroidal core made from ferrite material, a long straight wire winding, and has a rated inductance of 2.2 µH with a tolerance range of ± 10%. The device is rated for operation at frequencies up to 600kHz and it features a rated current up to 2A. The SPM4030T-2R2M inductor also has a maximum DC resistance (DCR) of 2.45 mΩ and it can operate at temperatures as low as -25°C and as high as +110°C.

The SPM4030T-2R2M has a number of different applications, such as current and voltage filtering, energy storage, voltage regulation, and as part of switch mode power supplies. This inductor can also be used as part of an EMI filter, as its large inductance values allows it to provide high impedance to particular unwanted frequencies. Not only used for EMI applications, this inductor can also be used for high voltage, high current filtering, with its large resistance values helping to limit the amount of current being passed through the device.

The basic working principle behind the SPM4030T-2R2M is that when there is an electrical current (AC or DC) passing through the device, a magnetic field is generated, which in turn creates a voltage in the opposite direction of the original current. This effect is known as inductance, and it is the basis of how the inductor operates.

When operating at lower frequencies, the SPM4030T-2R2M has a relatively low inductance, however when operated at higher frequencies, the inductance increases, making it more effective at providing filtering and regulation. This is why this particular device is ideally suited to be used in switch mode power supplies.

In conclusion, the SPM4030T-2R2M fixed inductor is an extremely useful and versatile device, and is highly useful for its ability to provide filtering and regulation in power conversion applications. The device is available in a variety of sizes and shapes and has a wide range of applications. The device is also able to operate at high temperatures, making it suitable for use in many applications across a wide temperature range. Furthermore, the device is able to operate at high frequencies, making it attractive for its ability to provide high voltage and current filtering, and high impedance.

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