2727R-21J

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Fixed inductors are passive components consisting of a coil of wire, two or more turns of the same wire, each turn insulated from the others, wound or wound around a core made of ferrite, metal or some other material. These components can be used in a variety of applications, including high frequency radio communication, / signal filtering, power conversion / storage, etc.
The 2727R-21J is one of the most widely applied types among fixed inductors. 2727R-21J has a rated current of 21A and a rated voltage of 50V. It has a maximum DC resistance of 0.03 ohms.
Its application field mainly includes portable mobile devices, computer peripherals, audio & video products, signal & communication products, etc. 2727R-21J can be used as a choke coil, filter coil, SMD debugging color TV coil, drive coil and transformer in the circuit. This is due to its low power consumption, low energy consumption and high reliability.
Working principle: the 2727R-21J fixed inductor works by passage of a current through its coil. The magnetic field generated by the current induces an electromotive force in the coil, causing the current to flow in the opposite direction, thus producing a self-sustaining current in the coil. The induced voltage and the fixed inductor can store electricity, and the current stored in the inductor is called the inductance current.
Inductors work as basic components of electrical circuits because they can store electrical energy in an electromagnetic field, and they can also create an impedance to current. Inductors also have a wide range of electrical characteristics, such as resistance, inductance, reactance, etc. The ability of a fixed inductor to convert current into magnetic field and back to current makes it ideal for many applications.

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