IMC1812ESR47K

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Introduction

IMC1812ESR47K is a Fixed Inductor developed by Intermetall Corporation. It is designed for general-purpose operation and is suitable for a variety of application fields, including consumer electronics, automotive, industrial, and medical. It has an inductance value of 47uH and a saturation current of 55mA. Other features of the component include a low ESR of 0.13 ohm, a low DCR of 0.105 ohm, an operating temperature range from -40°C to +125°C, and a temperature coefficient of +3ppm/°C.

Application Fields

The IMC1812ESR47K is applicable in a wide variety of applications due to its broad spectrum of features. Its high current rating and low ESR makes it ideal for use as a DC blocking device, or as an RF filter in power supplies and consumer electronics. Furthermore, its small size and low profile make it suitable for use in medical applications, which often require components that can fit into tight spaces.

Its low temperature coefficient and large operating temperature range of -40°C to +125°C makes it suitable for use in automotive applications, where components need to be able to withstand extreme temperatures and various temperatures changes. Finally, its low DCR makes it suitable for use in signal conditioning circuitry, where components need to be as lossless as possible.

Working Principle

The IMC1812ESR47K is a fixed inductor, or ‘choke’. An inductor is a device that is used to control and limit the current in a circuit. An inductor works on the principle of electromagnetic induction, which states that a current passing through a coil of wire creates a magnetic field. This field, in turn, exerts a force on any nearby wires, which can oppose or support the current flow, thus regulating the circuit.

The IMC1812ESR47K has a low ESR, which allows it to be used to block DC. The low ESR is achieved by winding multiple layers of wire around a ferrite core. The ferrite core helps to reduce both the inductance and the ESR. When the coil is connected in series with a DC source, the ESR will prevent any DC current from flowing while letting the AC current pass through unimpeded.

In addition, the IMC1812ESR47K can be used as an RF filter. In this application, the inductor works in conjunction with a capacitor, forming an LC circuit. This type of circuit tends to have a high impedance to higher frequency signals, allowing only lower frequencies to pass through. The inductance and ESR of the IMC1812ESR47K determines the cutoff frequency of the filter.

Finally, the IMC1812ESR47K can be used in signal conditioning circuitry. Here, the inductor helps to filter out any unwanted AC noise or transients from the signal, while still allowing the signal to pass through with minimal loss. Due to its low DCR, the component is able to pass whatever signal is present with minimal resistance, ensuring that the signal is as clean and clear as possible.

Conclusion

In conclusion, the IMC1812ESR47K is a versatile Fixed Inductor that can be used in a variety of applications, including consumer electronics, automotive, industrial, and medical. Its features make it suitable for use as a DC blocking device, RF filter, or signal conditioning component. The component works on the principle of electromagnetic induction, and its low ESR allows it to block DC while still letting AC signals pass through unimpeded. Finally, its low DCR ensures that any signal passing through the component is as clean and clear as possible.

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