RL824-681K-RC

DC Resistance (DCR):	790 mOhm Max
Height - Seated (Max):	0.610" (15.50mm)
Size / Dimension:	0.413" Dia (10.50mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	1.1MHz
Q @ Freq:	26 @ 790kHz
Series:	RL824
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	440mA
Tolerance:	±10%
Inductance:	680µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Introduction

Fixed inductors, such as the RL824-681K-RC, are electrical components used in electrical engineering applications for filtering, current sensing, energy storage, EMI/RFI modulation, sensing, and signal conditioning. Their purpose is to efficiently convert electrical energy between AC and DC circuits. Fixed inductors have two main components: a steady state (fixed) inductor coil, and a box frame that houses the coils and connectors.

RL824-681K-RC Application Field and Working Principle

The RL824-681K-RC fixed inductor is a surface mount component ideal for high frequency use in applications where low voltage and high current are present. It is designed to provide an efficient electrical connection between circuits with different voltage requirements. The fixed inductor is constructed from multiple wire loops that form a distinctive square-like shape. The inductor coil is surrounded by a box frame to maintain its shape and integrity during use.When a current passes through the RL824-681K-RC, it creates a magnetic flux that induces a voltage in the inductor coil, thus converting electrical energy between AC and DC circuits. This induction creates the distinction between a fixed and variable inductor, as the voltage produced by a fixed inductor coil will remain constant regardless of the frequency or magnitude of the applied current. The magnitude of the induced voltage is determined by the inductance of the inductor coil, which is measured in Henrys (H). The RL824-681K-RC fixed inductor has a high saturation current of 19 A and a DC resistance of 0.068 ohms. The inductance coefficient is rated at 51.8 H and the operating temperature range is -40°C to 85°C. The maximum DC bias operates at 1.3 V and the inductor has a size of 6.2 x 6.2 x 5.0 mm (L x W x H).

Applications

Fixed inductors like the RL824-681K-RC are used in a wide range of applications, including power supply circuits, noise filtering, conductive voltage boosters, voltage-controlled oscillators, and impedance matching. They are an integral part of applications that require efficient energy transfer and provide an essential connection between circuits with different voltage requirements.The RL824-681K-RC is a particularly useful fixed inductor because of its high saturation current and low DC resistance. This makes it ideal for applications that involve high frequency operation and require high current transfer efficiency. Some of the most common applications of the RL824-681K-RC are automotive EMI filters and DC-DC converter circuits, audio amplification circuitry, and power-converter single-stage converters.

Conclusion

The RL824-681K-RC fixed inductor is an electrical component used in a variety of applications. It is designed to provide an efficient connection between circuitry with different voltage requirements and is able to convert electrical energy between AC and DC circuits. With its high saturation current and low DC resistance, the RL824-681K-RC is ideal for applications that involve high frequency operation and require high current transfer efficiency. It is a reliable and cost-effective solution for applications in the automotive, audio, and power-converter industries.

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