0819R-40K Allicdata Electronics
Allicdata Part #:

0819R-40K-ND

Manufacturer Part#:

0819R-40K

Price: $ 0.75
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 4.7UH 150MA 2.1 OHM TH
More Detail: 4.7µH Unshielded Molded Inductor 150mA 2.1 Ohm Max...
DataSheet: 0819R-40K datasheet0819R-40K Datasheet/PDF
Quantity: 1000
3500 +: $ 0.68229
Stock 1000Can Ship Immediately
$ 0.75
Specifications
DC Resistance (DCR): 2.1 Ohm Max
Height - Seated (Max): --
Size / Dimension: 0.078" Dia x 0.200" L (1.98mm x 5.08mm)
Supplier Device Package: Axial
Package / Case: Axial
Mounting Type: Through Hole
Inductance Frequency - Test: 7.9MHz
Operating Temperature: -55°C ~ 105°C
Ratings: --
Frequency - Self Resonant: 88MHz
Q @ Freq: 55 @ 7.9MHz
Series: 0819R
Shielding: Unshielded
Current - Saturation: --
Current Rating: 150mA
Tolerance: ±10%
Inductance: 4.7µH
Material - Core: Iron
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors, also known as non-variable inductors, are components typically used to store and constrain energy to a specific amount. They are often found in numerous electronic circuits, such as power supplies, signal transmission systems, and audio amplifiers. In the field of industrial automation, a fixed inductor, such as the 0819R-40K, is a vital component to help provide power and signal transmission.The 0819R-40K fixed inductor has a copper wire core, which may be made of an alloy or other material such as plastic or ceramics. It has the following features: It is able to function at higher frequencies than traditional inductors, possesses a high current capacity, and features good interference suppression.In order to understand the 0819R-40K fixed inductor’s working principle, it is important to understand the concept of electromagnetism. Electromagnetism is the phenomenon of electrical charges producing magnetic fields that interact with each other. A fixed inductor functions by EMF (electromotive force), which is generated by changing the magnetic flux in its core, resulting in a current through its winding. This current is regulated by the number of turns and the shape of the core of the 0819R-40K inductor, as well as the size of the winding, so when the current varies, the voltage produced will change accordingly.The 0819R-40K fixed inductor is also controlled by impedance, which is the measure of opposition to a continuous current, and is also determined by the variety of turns in the inductor’s core. Hence, this allows the energy stored in the core to be kept stable when the current is regulated. Consequently, the inductor is able to provide regulated power over a constant voltage or current. As such the thrust and efficiency of the energy transfer also remains consistent.The 0819R-40K fixed inductor is typically used in industrial Automation for frequency control, filter, and signal transmission. To do this, the inductor employs resistance, capacitance, and inductance to govern the various flows and cycles. Furthermore, this inductor is also capable of operating in the high-frequency range, of up to 8.0GHz, which makes it a perfect choice for applications such as cellular telephones, radio receivers, and automotive equipment.In conclusion, the 0819R-40K fixed inductor is a versatile component used in numerous electronics and automation applications. It is able to withstand high frequencies and large currents, while also providing a consistently reliable power supply and signal transmission, due to its adjustable impedance and consistent core energy. Therefore, this magnetic component can be an invaluable asset to a wide range of projects and systems.

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

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