DC Resistance (DCR):	42.9 mOhm Max
Height - Seated (Max):	0.132" (3.35mm)
Size / Dimension:	0.410" L x 0.410" W (10.41mm x 10.41mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Operating Temperature:	-55°C ~ 130°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PL94XX
Shielding:	Shielded
Current - Saturation:	2.7A
Current Rating:	2.7A
Tolerance:	±20%
Inductance:	10µH
Material - Core:	--
Type:	--
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors & PL9409NL Application Field and Working Principle

Inductors are a type of passive electronic component used in many electronics projects. They act like tiny windings in an electric circuit, often to filter signals or modify frequencies. A fixed inductor is one with a physically limited inductance. Fixed-inductor coils and components are usually designed to give a particular inductance value. Fixed inductors offer a number of benefits and can be used for a range of different applications. In this article, we will explore the application field and working principle of a particular fixed inductor – the popular PL9409NL. The fixed inductor PL9409NL has a broad range of applications, mainly in automotive electronics, power filters, and switching power supplies. It is also used for a variety of data-related applications such as high-precision timing signal couplers, TV sets, wireless phones, and internet communication devices. PL9409NL inductors are designed for use in air or vacuum, with a temperature range of -55°C to +120°C, and a broad range of frequencies from 1MHz to 1GHz.The PL9409NL inductor is designed using an organic substrate and special copper foil winding. The organic substrate ensures excellent electrical performance and a certain degree of mechanical flexibility, and the copper foil winding improves surface quality and helps keep moisture away from the coil. In addition, the substrate is coated with a special layer to provide better insulation and mechanical protection.The main components of the PL9409NL inductor are the winding core, the substrate, and the protective case (if there is one). The winding core is usually made of ferrite material, which consists of iron, oxygen, and other metallic elements such as manganese, strontium, cobalt, and nickel. This structure forms an effective magnetic field, which is necessary to generate current when a voltage is applied. The substrate is used to hold the winding core in place and provide it with mechanical support. If the inductor has a protective case, it is usually made of plastic or metal to provide additional insulation and environmental protection. The working principle of a fixed inductor is based on the physical law known as Faraday’s law of induction. When a conductor is placed in a magnetic field, an electric current is induced in the conductor. The magnitude of the induced current is determined by the rate of change of the magnetic flux passing through the conductor, and is proportional to the magnitude of the magnetic field. When a voltage is applied to the PL9409NL inductor, an electric current is generated in the winding core. This current is generated by the magnetic field generated by the ferrite material. This magnetic field creates a torque in the winding core, which causes it to rapidly turn. This creates an alternating current in the circuit, with a given frequency determined by the physical properties of the material. In conclusion, the PL9409NL is a popular type of fixed inductor with a wide range of applications in automotive electronics, power filters, and switching power supplies. Its core is usually made of ferrite material and it has a temperature range of -55°C to +120°C, and a broad range of frequencies from 1MHz to 1GHz. As explained, its working principle is based on Faraday’s law of induction, and it is capable of generating an alternating current with a given frequency. It is a versatile and reliable component, making it popular among electronics designers and engineers.

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