ER1641-393JS

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Fixed Inductors

An inductor is an electrical component consisting of a coil of wire creating a magnetic field when an electric current passes through it. Fixed inductors, also known as non-variable inductors, are used to store energy in the form of an electromagnetic field. The ER1641-393JS is a fixed inductor commonly used in modern electronic applications. This article will discuss the application field and working principle of the ER1641-393JS.

Application Fields

The ER1641-393JS is a bipolar, surface mount, fixed inductor. It is most commonly used in power supplies and other circuits requiring a stable, consistent current. It can also be used in amplifier circuits to store electrical energy. Its total resistance is 40 ohms with a tolerance of plus-minus 10%.

The ER1641-393JS is a low-profile component, making it ideal for use in tight spaces. Its dimensions are 2.6mm by 0.8mm. This small size makes it easy to integrate into any design, since it requires minimal extra space.

The ER1641-393JS also has a high rated current of 4A. This allows it to handle large amounts of power to provide a reliable connection with minimal resistance. The component also has a low temperature coefficient which ensures constant performance even in extreme temperatures.

Working Principle

The working principle of an inductor is based on the production of an alternating magnetic field in the presence of an electrical current. When the current passes through the coil of wire, a magnetic field is formed in the space surrounding it. This magnetic field creates a voltage across the windings of the coil, which is known as the back EMF.

When the electrical current passes through the coil of the inductor, it induces a changing magnetic field in the core. This changing magnetic field in turn induces an electric current in the coil. This induced current creates a magnetic field which opposes the changing magnetic field, producing a back EMF.

This back EMF created in the inductor acts as a buffer for the alternating current, allowing the circuit to remain stable and preventing voltage spikes. The ER1641-393JS utilizes this principle to ensure consistent performance in electric circuits.

Conclusion

The ER1641-393JS is a fixed inductor commonly used in modern electric circuits. It has a low profile which makes it ideal for use in tight spaces, and is able to handle high currents with minimal resistance. The component also has a low temperature coefficient, which helps maintain consistent performance even in extreme temperatures.

The working principle of the ER1641-393JS is based on the production of an alternating magnetic field when an electric current passes through the component. This magnetic field induces a back EMF which acts as a buffer for the alternating current, allowing the circuit to remain stable and preventing voltage spikes.

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