HKQ040247NJ-E

Series:	HK, Q Type
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multilayer
Material - Core:	Ceramic
Inductance:	47nH
Tolerance:	±5%
Current Rating:	100mA
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	5 Ohm Max
Q @ Freq:	3 @ 100MHz
Frequency - Self Resonant:	1.2GHz
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	500MHz
Features:	--
Mounting Type:	Surface Mount
Package / Case:	01005 (0402 Metric)
Supplier Device Package:	01005 (0402 Metric)
Size / Dimension:	0.016" L x 0.008" W (0.40mm x 0.20mm)
Height - Seated (Max):	0.009" (0.22mm)

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Fixed Inductors: HKQ040247NJ-E Application Field and Working Principle

Fixed inductors are used in a broad range of electronic applications, from audio, automotive and consumer electronics, to robotics and industrial automation. The HKQ040247NJ-E is a fixed inductor designed and manufactured by Hong Kong Qi (Qi Jie Technology Co., Ltd.), a leading manufacturer of electronic components.This specific inductor is designed to have high efficiency with a low surface mounting profile that is ideal for space-saving applications. Its construction consists of a single core comprising a ferrite core wound with enameled wire, which acts as an noise and interference suppressor, a capacitor for smoothing, and a self-healing system for better reliability and durability.The HKQ040247NJ-E fixed inductor is primarily used to filter out high frequencies and reduce the amount of noise and distortion they create. It is ideally suited for use in audio equipment, car stereo systems, and power supplies. The inductor has a fixed inductance of 470µH, which provides a stable and reliable current source. In addition, it can handle large amounts of current and has a low DCR of 2.1 mOhms.The HKQ040247NJ-E fixed inductor has a wide range of operating temperatures, from -25°C to 85°C, enabling it to be used in a variety of different operating conditions. It also features a wide operating range of up to 100kHz.Working PrincipleThe HKQ040247NJ-E fixed inductor works on the basis of electromagnetic induction. Its core is composed of ferrite material and the wire is wound around the core. When an electrical current is applied to the wire, an electromagnetic field is created around it. This electromagnetic field induces a voltage, known as back-EMF, in the N-shaped magnetic field. This back-EMF generates a counter-electromotive force, which opposes the current, thereby reducing the noise and interference it creates.The HKQ040247NJ-E inductor\'s capacitor is also designed to reduce the amount of noise and distortion created by the current. As the current flows through the circuit, its frequency and amplitude are reduced, and this reduces the amount of distortion and noise produced. In addition, the inductor has a self-healing system, which ensures that any damage to the coil is detected and repaired instantly.ConclusionThe HKQ040247NJ-E fixed inductor is a reliable and accurate electronic component capable of meeting a wide range of applications. Its design enables it to filter out noise, reduce distortion, and provide a stable and reliable current source. It can operate within a wide range of temperatures and is suited for low-profile designs. In addition, it has a self-healing system that enhances its reliability and durability.

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