744772121 Allicdata Electronics
Allicdata Part #:

732-3774-ND

Manufacturer Part#:

744772121

Price: $ 0.67
Product Category:

Inductors, Coils, Chokes

Manufacturer: Wurth Electronics Inc.
Short Description: FIXED IND 120UH 850MA 220 MOHM
More Detail: 120µH Unshielded Wirewound Inductor 850mA 220 mOhm...
DataSheet: 744772121 datasheet744772121 Datasheet/PDF
Quantity: 350
1 +: $ 0.60480
10 +: $ 0.57267
50 +: $ 0.53361
140 +: $ 0.47439
280 +: $ 0.43470
Stock 350Can Ship Immediately
$ 0.67
Specifications
DC Resistance (DCR): 220 mOhm Max
Height - Seated (Max): 0.394" (10.00mm)
Size / Dimension: 0.307" Dia (7.80mm)
Supplier Device Package: --
Package / Case: Radial
Mounting Type: Through Hole
Inductance Frequency - Test: 1kHz
Operating Temperature: -40°C ~ 125°C
Ratings: --
Frequency - Self Resonant: 5.6MHz
Q @ Freq: --
Series: WE-TI
Shielding: Unshielded
Current - Saturation: 1A
Current Rating: 850mA
Tolerance: ±10%
Inductance: 120µH
Material - Core: Ferrite
Type: Wirewound
Part Status: Active
Packaging: Tray 
Description

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Fixed Inductors

A fixed inductor is a one-time passive electronic component that stores electrical energy in the form of magnetic energy. It has wide application fields like producing oscillating circuits, filters, tuners and transformers. The 744772121 has three main application fields and working principles.

Applications and Working Principles of 744772121

AC/DC Coupling

AC/DC coupling is one type of application field for 744772121. In this type of application, 744772121 is used for producing an AC signal from a DC signal. This is done by using the inductors to reduce the DC voltage from the power supply, which allows the AC signal to be passed through the device without being influenced by the DC source. This allows the AC signal to remain intact, allowing for applications such as power supplies, television receivers, hearing aids, and other electronic applications.

Inductance Matching

The second application field of 744772121 is inductance matching, which is a process of increasing or decreasing the inductor’s inductance value in order to match the impedance of a component in a specific circuit. This is done by physically adding or removing turns on the inductor’s winding to adjust its inductance value. This is an important application field as it enables the circuits to work optimally and without interference.

Filter Circuits

The third application field of 744772121 is designing filter circuits, which are used in many electronic devices including headphones, audio systems, and radios. The filter works by eliminating frequencies which are not suitable or desired for a particular device by using an inductor in combination with other components such as capacitors. The inductor which is used in a filter circuit is usually referred to as an “inductor filter.” The inductor acts as a low-pass filter, allowing the desired frequency to pass through while the undesired frequencies are blocked out.

In conclusion, the 744772121 inductor has three main application fields and working principles which enable it to be used for a wide range of different applications. It is used for AC/DC coupling, inductance matching, and filter circuits, and can be applied in power supplies, television receivers, hearing aids, and much more.

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

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