7440450039 Allicdata Electronics

7440450039 Inductors, Coils, Chokes

Allicdata Part #:

732-4063-2-ND

Manufacturer Part#:

7440450039

Price: $ 0.35
Product Category:

Inductors, Coils, Chokes

Manufacturer: Wurth Electronics Inc.
Short Description: FIXED IND 3.9UH 1.32A 140 MOHM
More Detail: 3.9µH Unshielded Wirewound Inductor 1.32A 140 mOhm...
DataSheet: 7440450039 datasheet7440450039 Datasheet/PDF
Quantity: 500
500 +: $ 0.32130
Stock 500Can Ship Immediately
$ 0.35
Specifications
DC Resistance (DCR): 140 mOhm Max
Height - Seated (Max): 0.114" (2.90mm)
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: 1MHz
Operating Temperature: -40°C ~ 125°C
Ratings: --
Frequency - Self Resonant: 54MHz
Q @ Freq: 40 @ 1MHz
Series: WE-LQ
Shielding: Unshielded
Current - Saturation: 2.5A
Current Rating: 1.32A
Tolerance: ±20%
Inductance: 3.9µH
Material - Core: Ferrite
Type: Wirewound
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors are electronic components used to add inductance to a circuit. They are most commonly used in low-frequency applications such as power supplies and motor control circuits. Depending on their properties, fixed inductors can also be used in high-frequency applications such as radio frequency (RF) filters and oscillators.7440450039 is an example of a fixed inductor. This inductor is small in size and has a max. current rating of 1.5A. It is a radial type inductor, meaning that the terminals are mounted on a cylindrical body. It is typically constructed with a winding core of ferrite or powdered iron, and is wrapped in colored plastic to maintain its radiated electromagnetic fields.
The primary application of the 7440450039 inductor is in power supplies. It is used as a choke in power supplies, which helps to filter out high-frequency noises from the power supply. In addition, the inductor can be used in power supply circuits that require a certain degree of impedance. It can also be used to control the voltage and current of a power supply, and to reduce the ripple and noise from the power supply.
The working principle of a fixed inductor is based on Faraday\'s law of induction. Faraday\'s law states that when a conductor is exposed to a changing magnetic field, a voltage is induced in the conductor. In an inductor, a coil of wire is wound around a core material and exposed to an external magnetic field. When current flows through the coil, a magnetic field is induced in the core material. This magnetic field resists the change in current, thus creating an inductor. This inductor then has an opposition to the change in current, also known as inductance. The inductance of the inductor is determined by its size, core material and the number of turns in the coil.
The 7440450039 inductor is an ideal choice for use in power supplies. Its small size allows it to fit into tight spaces, and it can be used to provide a degree of impedance that is required by certain circuits. In addition, its construction helps to provide a stable inductance, which is essential in a power supply. The 7440450039 is a reliable, cost-effective choice for use in many power supply applications.

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

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