2727R-18J

DC Resistance (DCR):	24 Ohm Max
Height - Seated (Max):	0.300" (7.62mm)
Size / Dimension:	0.280" L x 0.160" W (7.11mm x 4.06mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	5MHz
Q @ Freq:	55 @ 790kHz
Series:	2727R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	90mA
Tolerance:	±5%
Inductance:	270µH
Material - Core:	Iron
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Introduction to Fixed Inductors

Fixed inductors, also known as chokes, are passive electrical components designed to keep alternating current (AC) within a specific circuit or component, as well as providing a certain amount of impedance to direct current (DC). These components are commonly used in the power and telecommunications industries, and, because of their electrical properties, serve a number of different functions. One of the most common of these is as a filter, helping to prevent frequency interference between components as well as providing inductive loading to an electrical circuit.

Types of Fixed Inductors

Fixed inductors come in a number of different varieties, each with their own characteristics and uses. Common types include air-core inductors, iron-core inductors, and ferrite-core inductors. Each type has different advantages and disadvantages that should be taken into consideration when selecting an inductor for a specific purpose.Air-core inductors are the simplest of the three varieties and are made most frequently from hollow cylindrical shapes wrapped with several turns of wire. These inductors provide a high impedance and can handle relatively high frequencies, but have poor power handling characteristics.Iron-core and ferrite-core inductors are both made from materials with magnetic permeability, or the ability of the material to store a magnetic field. There are many different types of ferrite material available, and each provides different electrical characteristics and power handling capabilities. Generally speaking, ferrites are more efficient than iron when it comes to power handling, but still require a considerable amount of positive voltage to operate.

2727R-18J Application field and Working Principle

The 2727R-18J fixed inductor is a type of air-core inductor, made from a high permeability metal alloy and designed to be used in a variety of power and telecommunications applications. This inductor is designed to provide a high impedance, low DC resistance path for high-frequency signals while offering superior power handling characteristics. The 2727R-18J is capable of handling up to 5000 Watts of power and is designed to support low-impedance load requirements.When installed in a circuit, the 2727R-18J fixed inductor works to create a magnetic field that helps to reduce frequency noise by acting as a filter. It accomplishes this by allowing only a certain frequency of alternating current to pass through while blocking any other frequencies. Additionally, the inductor’s magnetic field helps to increase the inductive reactance of the circuit, helping to stabilize the current and reduce the voltage drop caused by a large load.In addition to its filtering capabilities, the 2727R-18J fixed inductor is also designed to provide EMI shielding. By creating a shorted magnetic field around the component, the inductor helps to reduce the amount of interference between components, ensuring reliable performance.

Conclusion

The 2727R-18J fixed inductor is a highly effective and reliable electrical component designed to provide impedance to DC and AC current, reduce interference and provide EMI shielding. With its superior power handling capabilities and filtering capabilities, this inductor is ideal for a variety of power and telecommunications applications.

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