7443630140

DC Resistance (DCR):	1.08 mOhm
Height - Seated (Max):	0.551" (14.00mm)
Size / Dimension:	0.846" L x 0.827" W (21.50mm x 21.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	52MHz
Q @ Freq:	--
Series:	WE-HCF
Shielding:	Shielded
Current - Saturation:	60A
Current Rating:	31.5A
Tolerance:	±15%
Inductance:	1.4µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fixed Inductors

Fixed inductors, identified by a series code 7443630140, are employed in a wide range of power electronic applications such as switched-mode power supplies, voltage converters, and servo motor drives. These components provide stable electrical behavior with low magnetic interference, and are commonly used for filtering, energy storage, or signal matching. This article will explain their application field and working principle.

Application Field

Fixed inductors are passive components, meaning they consume energy without producing any of their own, and are ideal for power electronic applications with high currents and voltages. The high inductance and low resistance provided by this particular series makes them suitable for a variety of uses including:

• Power conversion and distribution: Fixed inductors are ideal for applications where stable currents and voltages are necessary, such as in serial-parallel converters. The use of high-inductance core materials allows for precise voltage regulation.
• RF switching: This series can be used in a wide variety of radio frequency (RF) switching circuits, where reliable antenna filtering is essential. The combination of low resistance and high inductance allows for excellent performance in high-frequency signal transmissions.
• Power processing: This series of inductors can also be used in power-processing circuits, such as DC-DC switching regulators and pulse generators. They help keep voltage levels stable and reduce oscillations and noise. This is essential for applications that depend on precise measurements.
• Motor control: Fixed inductors are used in servo motors and other motor controls as another effective way to filter noise and reduce electric interference. Such circuits typically employ high inductance and low resistance to maintain a smooth power output.

Working Principle

At the core of their operation, fixed inductors rely on the generation of a magnetic field around a wire that is carrying an electrical current. These magnetic fields inhibit the flow of electrons through the wire, creating a reactive element called inductance. Its importance in electrical engineering is related to its ability to store energy in the form of a magnetic field when current passes through a circuit. Inductors are available in a variety of sizes and packages, and can be constructed with various materials such as iron cores, ferrite cores and air cores depending on the application. In the case of the 7443630140 series, these components feature a high inductance value of 3.4 uH at 1 A, low DC resistance, and a saturation current rating of 5 A. These attributes are advantageous for constructing circuits with high power capabilities and tight limits on magnetic interference.The behavior of inductors is determined by the current passing through them, and the ability of the core material to store energy. When current is applied, the inductor will become charged up and its magnetic field will grow. The opposite is also true - when the current is stopped or reversed, the inductor\'s magnetic field collapses and the stored energy is released back into the circuit. A noticeable effect of an inductor\'s operation is the presence of a back-AC voltage when the current is rapidly switched off. This phenomenon is known as the inductor\'s self-inductance, and it has important implications in power-conversion systems that depend on precise current regulation.The 7443630140 series of inductors provides outstanding performance and reliable behavior in power-conversion applications, and is suitable for a variety of uses. This includes frequency-dependent functions in radio-frequency systems, current filtering in switching regulators, and motor control. With its high inductance and low resistance, this component also provides excellent energy storage capabilities and excellent suppression of magnetic noise.

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

Part Number	Manufacturer	Price	Quantity	Description