ELJ-FB221KF Allicdata Electronics
Allicdata Part #:

ELJ-FB221KF-ND

Manufacturer Part#:

ELJ-FB221KF

Price: $ 0.00
Product Category:

Inductors, Coils, Chokes

Manufacturer: Panasonic Electronic Components
Short Description: FIXED IND 220UH 85MA 13 OHM SMD
More Detail: 220µH Unshielded Wirewound Inductor 85mA 13 Ohm Ma...
DataSheet: ELJ-FB221KF datasheetELJ-FB221KF Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
DC Resistance (DCR): 13 Ohm Max
Height - Seated (Max): 0.134" (3.40mm)
Size / Dimension: 0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package: 1812
Package / Case: 1812 (4532 Metric)
Mounting Type: Surface Mount
Inductance Frequency - Test: 100kHz
Operating Temperature: -20°C ~ 85°C
Ratings: --
Frequency - Self Resonant: 4.5MHz
Q @ Freq: 40 @ 796kHz
Series: FB
Shielding: Unshielded
Current - Saturation: --
Current Rating: 85mA
Tolerance: ±10%
Inductance: 220µH
Material - Core: --
Type: Wirewound
Part Status: Obsolete
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors belong to one type of passive components of circuit, which are closely related to electrical circuit design. It is widely used in modern electrical control and communication system. The most commonly used are the ELJ-FB221KF fixed inductor. This article will introduce its application field and working principle in detail.

The application field of ELJ-FB221KF fixed inductor is mainly for industrial control high frequency filter. It has various shapes and sizes, and is mainly used in AC and DC power supply circuits, such as switching power supply, UPS and common power transformers, as well as the various high frequency circuit filters and recovery circuits. In the control and communication system, it can be used for impedance matching or frequency modulation and demodulation, etc.

The working principle of ELJ-FB221KF fixed inductor is that it restricts the flow of electric current. When an alternating current is applied to the inductor, a changing flux links inside the coil, which generates a voltage according to Faraday\'s law, so that the size of the current cannot increase suddenly. Moreover, the inductor also has the function of limiting the frequency of alternating current. Since the reactance of an inductor is proportional to the frequency of alternating current, when the frequency is too high, the reactance of an inductor increases to limit the current.

In a circuit, ELJ-FB221KF fixed inductor plays a very important role. for example, in communication and control circuits, it can limit the variations of power supply voltage, so as to reduce the interference to sensitive circuits. In the power supply filter, it can limit the passing current, so that the power supply can play a filtering role. In addition to these, the fixed inductor can also improve the signal to noise ratio, eliminate high frequency interference, and store energy in the magnetic field.

In conclusion, ELJ-FB221KF fixed inductor, as one of the commonly used products of passive components, is widely used due to its small size, simple structure and easy management. its main function is to limit the flow of electric current and improve circuit performance. It plays an irreplaceable role in the control and communication systems.

The specific data is subject to PDF, and the above content is for reference

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