1210R-183G

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Fixed Inductors

Fixed inductors are electrical components used in various electronic circuitry, such as oscillators, filters, and power supplies, to store and release energy. They are typically constructed by winding a coil of copper or other metal wire around a core made of magnetic or air-dielectric material. In commercial products, the number of turns, wire diameter, and core material are precisely specified to produce the desired inductance value.

The 1210R-183G is a miniature, fixed inductor manufactured by the company Wurth Electronics. It is rated at 3.0 Henry and has a low DC resistance of 0.7 ohm. The case size is 1210 (3.2 mm x 1.6 mm), and it is constructed using green UL 94V-0 rated flame retardant plastic.

The 1210R-183G has a wide range of applications in various electronic circuits including DC-DC power converters, switching power supplies, clock generators for digital systems, RF filters, and EMI filters. These applications use the component\'s ability to store and release energy in order to perform their various functions.

The basic working principle of the 1210R-183G fixed inductor is based on Faraday\'s law of induction. According to this law, the induced emf in an inductor is proportional to the rate of change of flux linking the inductor. When a current is applied to the inductor, the flux due to this current will increase and thus a steady emf is induced in the inductor.

When the current is removed, the flux due to this current decreases and an opposing voltage (reverse emf) is induced in the inductor, which is equal in magnitude but opposite in direction of the forward EMF. This is known as inductor back-emf and it serves to store energy in the inductor.

When the inductor is connected across an AC voltage source, the change in flux is faster and thus the induced voltage oscillates between forward and reverse, which is called the self-inductance effect. The self-inductance can be adjusted by changing the number of turns in the coil, the wire diameter, and the core material.

In addition, the 1210R-183G has another important application in power supplies, where it serves to filter and smooth pulsing currents coming from the power source. This helps to reduce voltage and current fluctuations in the load, thereby improving the power supply’s performance and quality.

In conclusion, the 1210R-183G fixed inductor is a versatile and useful component that can be employed in a wide range of electronic circuits owing to its ability to store and release energy. These inductors are widely used in power supplies, oscillators, filters, and other applications that require stable current and voltage conditions.

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