1782R-11J

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Fixed inductors form an integral part of a wide range of electrical and electronic circuits, with the 1782R-11J being a popular choice among both hobbyists and professionals. The device has a variety of features which make it suitable for a number of different applications.

Applications

The 1782R-11J is a fixed inductor designed for low voltage applications, typically between 12 and 28 volts. This makes it a suitable choice for a range of uses including power distribution and termination supplies, as well as various communication and automotive systems. It is also popular in consumer electronics, especially in audio equipment.

Further applications include electro-optic devices, such as LED drivers. Due to the high frequency response of the inductor, it is also useful for audio filter circuits and radio frequency amplifiers. In all cases, the high power handling of the inductor ensures that it can handle substantial current without the risk of overheating.

Design and Construction

The 1782R-11J is an axial-type inductor suitable for mounting on printed circuit boards. It has a 16mm by 12mm size, and an overall height of 8.5mm. The inductance value of the inductor is 55µH, with a maximum current rating of 4 amps. This is well suited for most low voltage applications, providing plenty of current delivery without risk of overheating.

In terms of construction, the inductor is designed to be long lasting and robust, with a low temperature coefficient. This reduces the risk of inductance drift due to temperature variation. The inductor is built using copper wire and an aluminum casing, with an embedded ferrite core. This provides an efficient magnetic field, limiting the amount of heat produced during use.

Working Principle

The working principle of the 1782R-11J is based on electrical inductance. This is the property of a conductor or coil of wire to resist changes in the electric current passing through it. As a result, the inductor stores energy in the form of a magnetic field when a current is passed through it. When the current stops, the energy is released back into the circuit.

In terms of the 1782R-11J, this principle is utilized to provide high power handling capabilities. During operation, the ferrite core concentrates the magnetic field, providing a higher inductance value without an increase in size. This, combined with the copper tracks on the inductor, ensures efficient heat dissipation during use.

In conclusion, the 1782R-11J is a fixed inductor designed for a wide variety of low voltage applications. The high power handling capabilities, combined with the efficient heat dissipation and low temperature coefficient, make it a suitable choice for many different tasks. The working principle of the inductor also enables it to provide a high magnetic field, ensuring efficient operation.

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