PM42S-1R0-RC

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Fixed inductors are electrical components that store energy by utilizing an insulated wire coil as the inductor core. The PM42S-1R0-RC is a specific type of fixed inductor manufactured by Murata. It is a low profile SMD inductor, designed for surface mounting and use with printed circuit boards. It features a compact size and is suitable for high frequency, high current applications.

The PM42S-1R0-RC is a radial shaped, rectangular box-shaped monopole inductor with dimensions of 4.2 x 2.4 x 1.6 mm. It features a low DC resistance of 1.0Ω, and a high inductance value of 42 nH. It also has a relatively low current rating of 230mA. The device is made of a ferrite core with a tin-plated copper wire winding. The device is rated for an operating temperature range of -25°C to +85°C.

The main application of the PM42S-1R0-RC is in the field of power electronics, due to its limitations in current rating, low profile, and accuracy. It can be used in power converters, such DC/DC converters, and high-power LED lighting applications. It has been used in several power supply designs for laptop computer and cell phone chargers. The device can also be used in voltage regulators, line conditions, and filtering applications.

The working principle of the PM42S-1R0-RC is based on the formula inductance = N2·A/l, where N represents the number of turns in the coil, A represents the area of the cross section, and l represents the length of the coil. When an electric current is applied to the inductor core, an electromagnetic field will be generated. This field will cause the inductor core to store energy, and in turn, will cause a voltage to be induced. This feature makes inductors very useful in electrical circuits when it comes to smoothing out ripples, delaying current flow, or storing energy for a short time.

In conclusion, the PM42S-1R0-RC is a fixed inductor manufactured by Murata. It is a low profile SMD inductor suitable for high frequency, high current applications. The main application of the device is in the field of power electronics, such as DC/DC converters and high-power LED lighting applications. The working principle is based on the formula inductance = N2·A/l, where N represents the number of turns in the coil, A represents the area of the cross section, and l represents the length of the coil.

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