VLF5010ST-4R7M1R3 Allicdata Electronics

VLF5010ST-4R7M1R3 Inductors, Coils, Chokes

Allicdata Part #:

445-4228-2-ND

Manufacturer Part#:

VLF5010ST-4R7M1R3

Price: $ 0.56
Product Category:

Inductors, Coils, Chokes

Manufacturer: TDK Corporation
Short Description: FIXED IND 4.7UH 1.3A 180 MOHM
More Detail: 4.7µH Shielded Wirewound Inductor 1.3A 180 mOhm Ma...
DataSheet: VLF5010ST-4R7M1R3 datasheetVLF5010ST-4R7M1R3 Datasheet/PDF
Quantity: 1000
2000 +: $ 0.50778
Stock 1000Can Ship Immediately
$ 0.56
Specifications
Series: VLF
Packaging: Tape & Reel (TR) 
Part Status: Last Time Buy
Type: Wirewound
Material - Core: Ferrite
Inductance: 4.7µH
Tolerance: ±20%
Current Rating: 1.3A
Current - Saturation: 1.4A
Shielding: Shielded
DC Resistance (DCR): 180 mOhm Max
Q @ Freq: --
Frequency - Self Resonant: --
Ratings: --
Operating Temperature: -40°C ~ 105°C
Inductance Frequency - Test: 1MHz
Mounting Type: Surface Mount
Package / Case: Nonstandard
Supplier Device Package: --
Size / Dimension: 0.189" L x 0.181" W (4.80mm x 4.60mm)
Height - Seated (Max): 0.039" (1.00mm)
Description

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Fixed inductors are passive electronic components, also known as chokes or coils, that are used mainly to create an inductance in electronic circuits. A key element in limiting and smoothing the current flow during the operation of these circuits, fixed inductors are typically used to eliminate or reduce fluctuations in the current flow, filter undesirable noise and provide a steady flow of current. They are widely utilized in many applications, including power supplies, signal processing circuits, DC-DC converters, RF communication circuits, electronic components, and small antenna circuits.

At the core of a fixed inductor is an inductor winding – a relatively small coil of insulated copper wire connected to a capacitor or other electronic circuit. The coil itself is also made of copper, and when suspended in an electric field, this coil magnetically attracts and stores energy in the form of an electric current. The strength of this magnetic field (measured in units of inductance) is proportional to the number of turns in the coil and the current passing through it.

The VLF5010ST-4R7M1R3 is one type of fixed inductor designed to make an ideal choice for SMPS which include AC/DC, DC/DC, as well as LED lighting applications. With its excellent high frequency characteristics and low resistance, it also provides a good match for minimizing signal interference in wireless applications. Moreover, it features an operating temperature range from -55 to +125°C and a rated current of 1.00A.

Its working principle is based on the basic law of physics, known as Faraday’s Law. Faraday\'s Law states that when a conductor (such as the copper wire in the fixed inductor) positioned in a magnetic field experiences a change in magnetic flux (the product of the number of turns in the coil and the current passing through it), a voltage proportional to the rate of change in the flux is induced across the conductor. This induced voltage builds up a counter-EMF (electromotive force) against the increase of the current, which is called the back EMF. The back EMF is an opposing force, or voltage, that resists the change of current through the inductor, and hence, it restricts the amount of current that can flow through it.

To conclude, fixed inductors, such as the VLF5010ST-4R7M1R3, are basic components in circuits used to eliminate and reduce fluctuations in current flow, filter noise, and provide a steady current. By utilizing the principles of Faraday’s Law, these inductors create a counter-EMF that opposes the increase in current, thereby limiting the current that can flow through them. This makes them highly suitable for a variety of applications, such as power supplies, signal processing circuits, and DC-DC converters.

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

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