S4924-181H

DC Resistance (DCR):	47 mOhm Max
Height - Seated (Max):	0.230" (5.84mm)
Size / Dimension:	0.520" L x 0.250" W (13.21mm x 6.35mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	350MHz
Q @ Freq:	50 @ 25MHz
Series:	S4924
Shielding:	Shielded
Current - Saturation:	2.835A
Current Rating:	2.835A
Tolerance:	±3%
Inductance:	180nH
Material - Core:	Phenolic
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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S4924-181H Fixed Inductors

Fixed inductors, sometimes referred to as lumped components, are electrical components that are designed to store energy in a magnetic field as electric current passes through it. This magnetic field reacts to changes in the electric current to a small, predictable extent, helping to provide regulation and stability for the electrical circuit or system. Along with their practical stability roles, fixed inductors can also be used to create specific circuits and reactions, allowing them to serve a wide variety of application fields.The S4924-181H is a fixed inductor that is specifically designed for single-ended applications. In this configuration, the inductor is connected on just one end and needs to be agile enough to work in a variety of different electronic systems, including computers, home audio systems, and industrial applications. Since there is only one end of the inductor connected to the system, there are often tight criteria that need to be met in order to ensure it functions properly.The S4924-181H fixed inductor can provide the significant airflow needed to dissipate heat generated by the unit. It is built with a thermally-conductive package that is designed to effectively dissipate heat from the coil without creating hotspots, allowing it to run at full efficiency while staying within the thermal limits of the system. Additionally, the S4924-181H uses a 0.25-μm ultra-fine diameter wire and a low profile design. This helps it to minimize leakage inductance/current and reduce the DCR, helping it to maximize efficiency in a small package.Overall, the S4924-181H is designed for specific single-ended applications and provides the thermal control and efficiency needed to work in a wide variety of systems. To understand how it operates, let’s go over the working principles of fixed inductors.The working principle of fixed inductors is based on Faraday’s law of induction. This law states that an electrically conductive object that moves through a magnetic field will induce a current in that conductor, creating an electromotive force. This electromotive force will oppose the motion of the conductor, resulting in a drag. In a fixed inductor, the induction of this electromotive force creates the loop of energy that is then used by the system. Generally speaking, the larger the inductor, the larger the current it can hold.The magnitude of the current induced in the inductor will depend on a few things, such as the number of windings connected to the inductor, the size of the magnetic field, and the frequency of the alternating current. Generally speaking, the higher the frequency of the alternating current, the greater the induced current in the inductor.Fixed inductors are found in a wide variety of applications, ranging from computers to medical ultrasound transducers to transformers. In all of these applications, the inductor helps to regulate and stabilize the flow of current, while also allowing the system to reach certain design criteria. The S4924-181H fixed inductor is especially useful for single-ended applications, allowing the system to dissipate heat while minimizing leakage inductance and DCR. With its low profile, efficient design, and wide thermal range, the S4924-181H can handle many different single-ended applications, all without risking the efficiency of the system.

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