744913112 Allicdata Electronics
Allicdata Part #:

732-7282-2-ND

Manufacturer Part#:

744913112

Price: $ 0.41
Product Category:

Inductors, Coils, Chokes

Manufacturer: Wurth Electronics Inc.
Short Description: FIXED IND 12.5NH 4A 3.4 MOHM SMD
More Detail: 12.5nH Unshielded Wirewound Inductor 4A 3.4 mOhm M...
DataSheet: 744913112 datasheet744913112 Datasheet/PDF
Quantity: 1000
500 +: $ 0.37422
1000 +: $ 0.33894
Stock 1000Can Ship Immediately
$ 0.41
Specifications
Series: WE-CAIR
Packaging: Tape & Reel (TR) 
Part Status: Active
Type: Wirewound
Material - Core: Air
Inductance: 12.5nH
Tolerance: ±5%
Current Rating: 4A
Current - Saturation: --
Shielding: Unshielded
DC Resistance (DCR): 3.4 mOhm Max
Q @ Freq: 137 @ 150MHz
Frequency - Self Resonant: 3.3GHz
Ratings: --
Operating Temperature: -40°C ~ 125°C
Inductance Frequency - Test: 150MHz
Mounting Type: Surface Mount
Package / Case: Nonstandard
Supplier Device Package: --
Size / Dimension: 0.145" L x 0.120" W (3.68mm x 3.05mm)
Height - Seated (Max): 0.125" (3.18mm)
Description

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Fixed inductors are electrical components that store energy in the form of independent flux fields in a static magnetic field. They are often used in motor control, power supply, power systems, and other industrial applications. The 744913112 is a common type of fixed inductor.

Inductor Construction

An inductor consists of a core that is usually made from iron, and a winding that is generally composed of copper. The winding is formed into a loop, and it is placed on suface of the core. Magnetic flux is created when current is applied to the winding, and this flux is concentrated around the core.

Working Principle

When electric current is applied to the winding on the core of the inductor, it creates a magnetic field that induces a changing current flow in the coil. This changing current produces a magnetic flux and this creates an opposing voltage in the coil called back or counter electromagnetic force (EMF). The back EMF opposes the applied voltage that created the magnetic field and thus opposes the current, resulting in a decrease in the current, and eventually it\'s going back to zero.

When the current ceases, the magnetic field collapses and is quickly returned to the original state. The energy stored by the collapsing field is dissipated as heat, and is one source of losses in fixed inductors. During this process, the inductor may be damaged if the current and voltage become excessively high.

Application Field

744913112 fixed inductors are primarily used in power systems, motor control and power supply applications. They are often used on the input and output side of filters to reduce high frequency noise in motor controllers, transformers, and in power supplies. They are also often used in power sensing, pulse signal shaping, and signal conditioning applications. By controlling the current flow in the inductor, it is possible to create a specific voltage or current level.}

Fixed inductors are also used in automotive and consumer electronics applications. They are commonly used in the power supplies for audio, video, and radio components. Many televisions and computer monitors use fixed inductors to filter out unwanted noise and interference that can be picked up by the electronics components.

Conclusion

744913112 fixed inductors are essential components for many motor control, power supply, and power systems applications. They are useful for filtering out high frequency interference, pulse shaping, and voltage/current level control. They also play an important role in automotive and consumer electronics applications, providing power filtering and noise reduction.

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

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