DC Resistance (DCR):	170 mOhm Max
Height - Seated (Max):	0.295" (7.50mm)
Size / Dimension:	0.307" Dia (7.80mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	RL875S
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	1.1A
Tolerance:	±15%
Inductance:	47µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Fixed Inductors

RL875S-470L Application Field and Working Principle

Fixed inductors, also called chokes or reactors, are components that block high-frequency currents while allowing low-frequency currents to pass. The RL875S-470L is an example of a fixed inductor, specifically a symmetrical surface-mount inductor, that can be used in many applications that require a stable electric current. This article will explain the application field of the RL875S-470L as well as its working principle.The RL875S-470L is designed to help reduce noise from DC-DC converters, as well as provide EMC tests and filtering components with stability. The inductor has an ultra-low profile of 2.0mm, which allows it to be used in a variety of applications that require a special design. It is also suitable for use in DC-DC converters, EMC tests, and filtering applications requiring low leakage inductance, such as power adapters, battery charging, and electric vehicle charging systems.The RL875S-470L is designed with a wide self-resonant frequency range, from 500MHz to 2.5GHz, that makes it suitable for use in high-frequency applications. The device is also capable of handling up to 3A of current and is built with an alloy steel core that makes it a high-reliability component. In terms of its working principle, the RL875S-470L utilizes electromagnetic induction to create a magnetic field around its core. When current is applied, it passes through the core, creating an induced electric field that is composed of both an E- field (electric field) and a B-field (magnetic field). This induced electric field interacts with the current passing through the core and then induces an opposition to the current, creating an effect known as "back EMF". As a result, the back EMF reduces the overall current flow, allowing it to be used in noise-sensitive applications.Furthermore, the RL875S-470L has a high-frequency self-resonant frequency. This means that when the current through the core reaches a certain threshold, the opposition to the current will begin to increase rapidly, creating a resonance between the two fields. This resonance is what allows the device to effectively reduce noise in the current and to efficiently filter high-frequency components.In summary, the RL875S-470L is an ideal component for high-frequency applications requiring noise reduction or filtering. It has an ultra-low profile design, is capable of handling up to 3A of current, and has a wide self-resonant frequency range. Additionally, the RL875S-470L utilizes electromagnetic induction to create a back EMF that reduces current flow and enables it to effectively reduce noise while efficiently filtering high-frequency components.

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