74458115 Inductors, Coils, Chokes

DC Resistance (DCR):	36 mOhm Max
Height - Seated (Max):	0.280" (7.11mm)
Size / Dimension:	0.730" L x 0.600" W (18.54mm x 15.24mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	15MHz
Q @ Freq:	--
Series:	WE-PD4
Shielding:	Unshielded
Current - Saturation:	8A
Current Rating:	4A
Tolerance:	±20%
Inductance:	15µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, commonly known as inductors, are electrical components which store energy in the form of a magnetic field when a current is applied to its primary winding. The purpose of inductors is to maintain a steady current in a circuit even when applied voltage or current change. 74458115 is a type of fixed inductor specifically designed for high frequency (greater than 1 MHz up to a maximum of 100 MHz) applications.

Construction

The 74458115 fixed inductor consists of a ferrite core which is wound with a wire. A layer of insulation is applied between the ferrite core and the wire to prevent it from short circuiting and to enhance its electromagnetic properties. The bottom of the core is then sealed to protect it from dust and moisture.

Applications

The 74458115 fixed inductor is primarily used in high frequency radio frequency transceivers and digital-to-analog converters. It can also be used in other high frequency applications such as power factor correction circuits, inductive heating and many other industrial and consumer applications.

Working Principle

When a current is applied to the winding of the 74458115 fixed inductor, a magnetic field is created around the core. This magnetic field stores energy which is then released in the form of a voltage when the current is removed. The amount of voltage produced is proportional to the amount of current applied.

Advantages

The 74458115 fixed inductors offer a variety of advantages over other components. These include high power capacity, low harmonic distortion, low stray capacitance, and low current leakage. They are also more reliable and efficient than other components, and are generally cheaper than other inductors in the same power capacity range.

Disadvantages

The main disadvantage of 74458115 fixed inductors is their susceptibility to physical damage. Because of the core\'s sensitivity to dust and moisture, careful handling is necessary. Additionally, there is a limit to the maximum power these inductors can handle due to their power rating specification.

Conclusion

The 74458115 fixed inductor is a versatile and reliable component that is perfect for a wide range of high frequency applications. With its advantages such as high power capacity and low harmonic distortion, it is an ideal choice for many circuits. However, it is important to note that it can be prone to physical damage and caution should always be taken when handling it.

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