744777239

DC Resistance (DCR):	2.85 Ohm Max
Height - Seated (Max):	0.177" (4.50mm)
Size / Dimension:	0.287" L x 0.287" W (7.30mm x 7.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3.8MHz
Q @ Freq:	--
Series:	WE-PD
Shielding:	Shielded
Current - Saturation:	420mA
Current Rating:	380mA
Tolerance:	±20%
Inductance:	390µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are electronic components designed to store electrical energy in a magnetic field when current passes through them. In the context of fixed inductors, this refers to inductors whose inductance, or ability to store magnetic energy, is fixed and does not vary. A 744777239 fixed inductor is a type of small fixed inductor with versatile capabilities that make it popular for a wide range of applications.

Design

The 744777239 fixed inductor is a miniature component that generally measures about 0.09 inches (2.2mm) in length and 0.09 inches (2.2mm) in width. The total weight of the inductor is typically only about 0.25 g. It features an open-frame design, with no leads or coil wraps around the edges; instead, the entire inductor is enclosed in an epoxy coating. This helps protect the inductor from moisture, dust, and other environmental contaminants that may otherwise affect the inductance of the device.

Application Field

The 744777239 fixed inductor is a versatile component that is well-suited to a number of different applications. For instance, its small size and low weight make it suitable for use in space-constrained applications such as cell phones and other portable devices. Its epoxy coating also makes it particularly resistant to shocks and vibration, making it suitable for automotive or military applications. Furthermore, its low profile and high inductance makes it well-suited for use in power supplies, DC/DC converters, switching regulators, and voltage step-down converters.

Working Principle

Despite its small size, the 744777239 fixed inductor is able to store and convert a significant amount of electrical energy. When electrical current is applied to the inductor, it generates a magnetic field. This magnetic field is able to convert voltage and current signals, and can be manipulated to reduce the voltage or increase the amperage in a circuit.The efficiency of the 744777239 fixed inductor is dependent on the amount of magnetic flux it is able to generate. Generally, the more flux an inductor can store, the higher its efficiency and the greater its performance. As such, it is important to choose a 744777239 fixed inductor with the highest possible inductance, as this will ensure the greatest efficiency.

Conclusion

The 744777239 fixed inductor is an ideal choice for a wide range of applications due to its small size, low weight, and robust construction. Its ability to store and convert electrical energy makes it well-suited for use in power supplies, DC/DC converters, switching regulators, and voltage step-down converters. Furthermore, its high inductance ensures that it can operate at high efficiency. The 744777239 fixed inductor is therefore a valuable component for engineers looking to optimize their designs.

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