744773039 Inductors, Coils, Chokes |
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Allicdata Part #: | 732-4142-2-ND |
Manufacturer Part#: |
744773039 |
Price: | $ 0.75 |
Product Category: | Inductors, Coils, Chokes |
Manufacturer: | Wurth Electronics Inc. |
Short Description: | FIXED IND 3.9UH 1.88A 94 MOHM |
More Detail: | 3.9µH Unshielded Wirewound Inductor 1.88A 94 mOhm ... |
DataSheet: | 744773039 Datasheet/PDF |
Quantity: | 1000 |
1500 +: | $ 0.67725 |
Frequency - Self Resonant: | 50MHz |
Ratings: | -- |
Operating Temperature: | -40°C ~ 125°C |
Inductance Frequency - Test: | 10kHz |
Mounting Type: | Surface Mount |
Package / Case: | Nonstandard |
Supplier Device Package: | -- |
Size / Dimension: | 0.177" L x 0.157" W (4.50mm x 4.00mm) |
Height - Seated (Max): | 0.138" (3.50mm) |
Series: | WE-PD2 |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | Wirewound |
Material - Core: | Ferrite |
Inductance: | 3.9µH |
Tolerance: | ±20% |
Current Rating: | 1.88A |
Current - Saturation: | 2.57A |
Shielding: | Unshielded |
DC Resistance (DCR): | 94 mOhm Max |
Q @ Freq: | -- |
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Fixed inductors can provide electrical energy to circuits to re-energize or reduce the current. This type of inductor can be used for both high-frequency and low-frequency applications. The 744773039 application field and working principle of this type of inductor are as follows:
The 744773039 fixed inductor is mainly used in low-frequency circuits as filter chokes, transient suppression, and mutual coupling. It can also be used in medium frequency circuits such as switching regulator feedback loops, power conversion circuits, and linear regulator circuits.
The working principle of the 744773039 fixed inductor is based on the principles of inductance and self-induction. Inductance is the measure of the ability of a coil of wire to store energy in the form of a magnetic field when it is exposed to a changing electrical current. Self-induction occurs when the current flowing through the inductor changes, which causes a voltage to be induced within the inductor itself.
The 744773039 fixed inductor consists of a coil of copper wire wrapped around a ferrite core. The core is usually made from either a ferrite material or powder. The purpose of the core is to increase the magnetic field produced by the inductor to enable it to store more energy, resulting in a higher level of inductance. The number of turns of the coil and the size of the core determine the amount of inductance.
The 744773039 fixed inductor is designed to provide a range of electrical characteristics, depending on its size, the number of turns, its core material, and its current rating. It is important to ensure that the size and number of turns are correctly set so that the inductor can be effective in the correct application. The core material needs to be appropriate for the particular application, and the current rating should be able to meet the needs of the system.
When the 744773039 fixed inductor is used in an application, an alternating current is applied to the coil, and the magnetic field is strengthened and weakened, creating an induced current in the inductor. This induced current will add to or reduce the current through the circuit, depending on which direction the alternating current is. If the direction of the current is the same as the inductor’s then the current is increased, or if the direction is the opposite then the current is reduced.
The 744773039 fixed inductor can be used in circuits that require filters, voltage stabilization, noise reduction, and mutual coupling. For circuits that involve high frequencies or transients, an inductor with higher inductance and a larger core should be used. For circuits that involve low frequencies, an inductor with lower inductance and a smaller core should be used.
In short, the 744773039 fixed inductor is an ideal component in low and medium frequency applications, providing an efficient means of controlling voltage and current. Its application fields and working principles allow users to find the right component for their needs.
The specific data is subject to PDF, and the above content is for reference
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