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 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
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) |
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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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