LQH3NPN470MJRL

Series:	LQH3
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Wirewound
Material - Core:	Ferrite
Inductance:	47µH
Tolerance:	±20%
Current Rating:	240mA
Current - Saturation:	360mA
Shielding:	Shielded
DC Resistance (DCR):	1.2 Ohm Max
Q @ Freq:	--
Frequency - Self Resonant:	10MHz
Ratings:	--
Operating Temperature:	-40°C ~ 105°C
Inductance Frequency - Test:	1MHz
Mounting Type:	Surface Mount
Package / Case:	1212 (3030 Metric)
Supplier Device Package:	1212 (3030 Metric)
Size / Dimension:	0.118" L x 0.118" W (3.00mm x 3.00mm)
Height - Seated (Max):	0.047" (1.20mm)

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Fixed Inductors: LQH3NPN470MJRL application field and working principle

Introduction

Fixed inductors, or chokes, are passive electronic components utilized to control or oppose electrical currents. The LQH3NPN470MJRL fixed inductor series is manufactured by Murata Electronics and is designed for use in low-noise, high-speed switching applications. This article explores the application field and working principle of the LQH3NPN470MJRL series.

Application Field

The LQH3NPN470MJRL series possess an operating temperature range of -40°C to +125°C and a rated voltage of 16 VDC. Due to these specifications, the series is suitable for use in various types of electronics, such as mobile phones, computers, and industrial equipment. Moreover, the components are able to operate in extreme temperature and voltage conditions without incurring damage. The series also features a rated current of 1 A, allowing the components to conduct up to 1 A of current while maintaining their rated power without overheating.Additionally, the inductors are designed with high reliability in mind, featuring a low power dissipation, low noise, and high dielectric strength. This allows the series to be used in numerous high-reliability applications, such as automotive and aerospace, where reliability is of utmost importance.

Working Principle

An inductor is composed of an electric wire or coil wrapped around a core. When an electric current passes through the coil, a magnetic flux is generated, creating a magnetic field around the coil. This magnetic field interacts with the flowing current to create back EMF, which opposes the applied electric current. The magnitude of the back EMF depends on the inductance of the coil, which is determined by the type of core and the geometric arrangement of the coil.In the case of the LQH3NPN470MJRL series, the inductors utilize an iron-based core and an etched coil in order to achieve low resistance, high inductance, and low power losses. The etched coil is designed to improve frequency characteristics. Additionally, the components feature a wide range of inductance values between 4.7nH and 47nH in order to meet various application requirements.

Conclusion

The LQH3NPN470MJRL series is an excellent choice for low-noise, high-speed switching applications due to its wide operating temperature range, high rated voltage, and high reliability. The series utilizes an iron-based core and an etched coil in order to achieve low resistance, high inductance, and low power losses. The components feature a wide range of inductance values between 4.7nH and 47nH, allowing for increased flexibility when designing circuits. With these features, the LQH3NPN470MJRL series can be safely used in a variety of applications.

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