RL855-820K-RC

Q @ Freq:	22 @ 2.5MHz
Height - Seated (Max):	0.217" (5.50mm)
Size / Dimension:	0.307" Dia (7.80mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Features:	--
Inductance Frequency - Test:	1kHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	5.3MHz
Series:	RL855
DC Resistance (DCR):	400 mOhm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	930mA
Tolerance:	±10%
Inductance:	82µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active

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Fixed InductorsInductors are components used primarily in electronic circuits to store energy in the form of a magnetic field. Inductors come in many forms and sizes, yet in the electrical engineering world they all serve the same purpose - to create electrical current flow in response to a changing magnetic field. A fixed inductor is an inductor that is designed to maintain a constant inductance through its working cycle, hence the name “fixed”. The RL855-820K-RC is a type of fixed inductor that is commonly used in a variety of applications.Application FieldsThe RL855-820K-RC is a fixed inductor used mainly in the automotive, industrial, and energy markets. It is an epoxy-encapsulated part, which enhances its performance and durability in harsh environments. The RL855-820K-RC is commonly used to help regulate voltage in car audio systems, as well as to help reduce motor noise in industrial and energy driven equipment.Working PrincipleThe RL855-820K-RC is a non-polarized, air-core inductor that operates on Faraday’s Law of Induction. At its simplest, FARADAY’s Law states that a voltage will be induced in a conductor anytime there is a changing magnetic field nearby. The RL855-820K-RC utilizes a coil of wire to act as the primary conductor. This coil is then surrounded by an air core, which is filled with a magnetic field provided by either an alternating current, or a permanent magnet. As the current or the magnetic field around the coil fluctuates, a voltage is induced across it.The RL855-820K-RC is designed to provide an ideal balance between current and voltage. The air-core design provides a wide bandwidth that is useful for filtering out noise from car audio systems or the electrical signals from machines. The RL855-820K-RC is available in a variety of inductance levels, ranging from 450mH to 15mH. This wide range of values provides designers with the flexibility to use the RL855-820K-RC for a variety of applications.ConclusionThe RL855-820K-RC is a powerful and versatile fixed inductor that can be used for a variety of applications. From filtering out noise in car audio systems, to regulating voltage in industrial or energy-driven machines, the RL855-820K-RC is an ideal choice. Its wide inductance range makes it suitable for many applications, and its epoxy-encapsulated design ensures it is able to withstand harsh environments.

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