RL855-471K

DC Resistance (DCR):	1.95 Ohm Max
Height - Seated (Max):	0.217" (5.50mm)
Size / Dimension:	0.307" Dia (7.80mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	RL855
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	380mA
Tolerance:	±10%
Inductance:	470µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Introduction to the RL855-471K Fixed InductorThe RL855-471K is a high-performance, high-efficiency, high-reliability fixed inductor specializing in frequency-dependent current and voltage applications in the medium-to-high frequency range. The RL855-471K is able to handle greater power tolerance and a higher rated current than most other fixed inductors. Such attributes make the RL855-471K an ideal choice for high-power filter designs, especially cost-sensitive applications like AC ripple filtering for which switching frequency usually ranges from 200kHz to 1MHz. Design Features and Specifications of the RL855-471K Fixed InductorThe RL855-471K fixed inductor has a core construction of powdered-iron cores, wire windings, and insulated aluminum wires. Its design includes an epoxy coating for protection against moisture and other elements. It has a rated voltage of 100V, a rated current of 4.7A, and a rated power of 500mW. Its frequency range is from 5kHz to 1MHz, and its inductance is 47µH. Other features include a maximum current ripple of 30% and a maximum voltage ripple of 30%. Working Principle of the RL855-471K Fixed InductorThe RL855-471K fixed inductor works by providing a constant inductive reactance opposing the alternating current passing through its windings. A core of powdered iron is used in order to maintain the inductance of the component even at high frequencies. This reactance can be expressed mathematically as: X = 2πfLWhere X is the inductive reactance, f is the frequency of the alternating current, and L is the inductance of the RL855-471K.The alternating current flowing through the component\'s windings induces a magnetic field, which then opposes any changes made to the current. This effect serves to control the amount of current flowing through the component and slows down its rate of change. This allows the component to filter out unnecessary noise or interference in the current, as well as stabilize the system\'s power supply. The RL855-471K\'s combination of high-power tolerance and high-reliability makes it particularly well-suited for applications requiring high-power, medium-to-high frequency signals. Its linear frequency response over a wide range of frequencies and high power make it a great choice for ripple filters and other power-sensitive applications. Its design also includes good shielding against EMI, making it an ideal choice for applications that require higher levels of power supply stability. ConclusionThe RL855-471K fixed inductor is a high-performance, high-efficiency, high-reliability component designed to minimize electrical noise and stabilize the power supply of frequency-dependent current and voltage applications. Its combination of high-power tolerance and wide frequency range makes it a great choice for ripple filters and other power-sensitive applications. Its core construction adds strength and durability, and its epoxy coating provides strong protection against moisture and other elements. Overall, the RL855-471K\'s design makes it an ideal choice for high-performance, high-efficiency, high-reliability filter designs.

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