18473C

DC Resistance (DCR):	55 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.539" Dia x 0.719" L (13.70mm x 18.25mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	500kHz
Operating Temperature:	0°C ~ 70°C
Ratings:	--
Frequency - Self Resonant:	8.5MHz
Q @ Freq:	55 @ 500kHz
Series:	1800
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.65A
Tolerance:	±10%
Inductance:	47µH
Material - Core:	--
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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IntroductionThe working principle and application field of 18473C fixed inductors are essential components for electronic circuits, including power supplies, radio transmitters, inrush current limiters, overtone oscillators, wave filters, and coil-in-coil filters. An inductor is a passive device that stores energy in a magnetic field produced when current flows through a conducting material, usually a coil of wire around an iron core. 18473C fixed inductors are most commonly used in signal transmission lines, data processing instruments, and in synthesizers as a choke coil.Furthermore, this type of inductor has been used in various analog circuits such as filters, tuned circuits, and amplifiers.Description18473C fixed inductors are a specific type of inductor designed to have fixed inductance values and can be used in a variety of circuit applications. It is composed of a core, a coil, and terminals. The ferrite core is a ferromagnetic material containing iron oxide. The coil is wound on the core to form a loop with the specific turns required for the demanded inductance. The terminals provide for connection with other poles of the circuit. Due to different operating frequencies, the size of the inductor core also varies in design. The inductor is protected either by a plastic case or by sprays of varnish and is applicable in different operating frequencies.Working PrincipleThe working principle of 18473C fixed inductors involves the conversion of electrical energy into magnetic energy. An electric current flowing through a coil or solenoid creates a magnetic field around it. 18473C fixed inductors are components in which the magnitude of the generated magnetic field is held constant, depending on the number of turns in the winding, the core material, and the cross-sectional area of the winding. Electrical energy is converted to magnetic energy and stored in the coil.When an alternating current is passed through the coil, the magnetic field will also alternate in polarity due to the changing current. This alternating current inductance is the key principle behind 18473C fixed inductors. Dependence on FrequencyThe inductance of 18473C fixed inductors is dependent on the frequency of the alternating current signal. At high frequency the self-inductance gradually decreases due to what is known as the skin effect. This occurs when the high frequency current flows through the core material resulting in a reduction of the inductance. At lower frequencies, the self-inductance gradually increases due to the eddy current effect, which is caused by current flowing through the core material. This increase results in a higher inductance value.Characteristics18473C fixed inductors have several important characteristics that define their performance as a component. These include DC resistance, saturation current and self-resonant frequency. DC resistance is determined by the length and cross-sectional area of the coil, and saturation current is the maximum current through which the current will flow without causing the inductance to drop. The self-resonant frequency is the frequency at which the inductance of the device is equal to the resistance of the device divided by 2π. Uses18473C fixed inductors are typically used in power supplies as they help control the current levels and ensure maximum efficiency of power utilization. They are also used in various high frequency and radio frequency circuits to block alternating current while allowing direct current to pass. In addition, they are widely used in resonator, band pass and notch filter circuits, and as a choke coil in the amplifier circuit. Conclusion18473C fixed inductors are important components used in a variety of electronic circuits. They can be used for power supplies, signal transmission lines, and in synthesizers as a choke coil. Their working principle involves the conversion of electrical energy into magnetic energy. The inductance of 18473C fixed inductors is dependent on the frequency of the alternating current signal, as well as various characteristics such as DC resistance, saturation current, and self-resonant frequency. Finally, they are widely used for power supplies, radio frequency circuits, and resonator circuits.

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