LQH3NPN100MJRL

DC Resistance (DCR):	288 mOhm Max
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.118" L x 0.118" W (3.00mm x 3.00mm)
Supplier Device Package:	1212 (3030 Metric)
Package / Case:	1212 (3030 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	30MHz
Q @ Freq:	--
Series:	LQH3
Shielding:	Shielded
Current - Saturation:	810mA
Current Rating:	530mA
Tolerance:	±20%
Inductance:	10µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, also known as inductors, are electronic components that can store energy in an electromagnetic field when electric current passes through them. A fixed inductor, such as the LQH3NPN100MJRL, specifically refers to an inductive component which is formed by winding a single or multiple turns of wire onto a core (usually ferrite or ferromagnetic materials), or without a core (air core). These inductors are mainly used in various power circuits, radio circuits, and computer circuits, such as power filter circuits, EM radios, and analog oscillation circuits, respectively.

Application

The LQH3NPN100MJRL fixed inductor has many applications in various electronics, including:

• Radio circuits: A fixed inductor usually plays the role of a filter for an EM radio circuit. The radio circuit energies around the inductor is then tuned and released through the antenna, thus forming a radio signal.
• Computer circuits: This type of inductor is widely used in computer circuits, as it helps in reducing the electromagnetic interference (EMI) that is generated by other electronic components that are in close proximity to the inductor.
• Analog oscillation circuits: This type of inductor is very useful in analog oscillation circuits, where it helps to maintain a certain frequency until the energy running through the inductor is dissipated.
• Power filter circuits: This type of inductor is used in power filter circuits, which convert AC current into DC current, resulting in a clean and stable power supply.

Working Principle

The working principle of the LQH3NPN100MJRL fixed inductor is based on Faraday’s law of induction. When an electric current passes through a conductor, it induces an electromagnetic field that is proportional to the current. The induced magnetic field then generates an opposing voltage, which is known as the back EMF. This opposing voltage is what allows the inductor to store energy.In other words, when the electric current flowing through the inductor is greater than the back EMF, the inductance causes the current to increase and the inductor stores the energy in the excess current. This energy is then released as soon as the current drops below the back EMF. The amount of back EMF voltage depends on the number of turns of the wire and the core material, while the amount of energy stored depends on the area of the wire wound around the core.

Conclusion

The LQH3NPN100MJRL fixed inductor is an essential component in various electronics, and is mainly used in radio circuits, computer circuits, analog oscillation circuits, and power filter circuits. Its working principle is based on Faraday’s law of induction, which states that a current induces an opposing voltage (i.e. the back EMF), allowing the inductor to store energy and then release it when the current drops.

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