744787680 Inductors, Coils, Chokes

DC Resistance (DCR):	290 mOhm Max
Height - Seated (Max):	0.177" (4.50mm)
Size / Dimension:	0.307" L x 0.276" W (7.80mm x 7.00mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	7.5MHz
Q @ Freq:	--
Series:	WE-PD2SR
Shielding:	Shielded
Current - Saturation:	1A
Current Rating:	1.12A
Tolerance:	±20%
Inductance:	68µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Introduction

Fixed inductors, consisting of conductive wire wrapping around a core material, are integral components in many circuits and systems. This type of component can be called an inductor, choke, or coil because all three perform similar functions based on principles of induction. Fixed inductors provide a means of increasing or decreasing the effectiveness of a specific circuit, and the 744787680 is one type of fixed inductor.

Application Field

The 744787680 fixed inductor is a commonly used component in audio applications. In this type of system, fixed inductors are used to provide signal isolation, filter out out-of-band noise, and create certain types of signal filtering, such as low-pass, bandpass, and high-pass filters. This type of inductor is also found in some television systems, where they are commonly used to filter out signals in the 30MHz to 300MHz frequency range.This type of inductor is also used in switching voltage regulators, to provide a stable output and minimize output ripple. Other applications include wave shaping circuits, such as those used in oscillators, and in some types of antenna systems.

Working Principle

The primary function of the fixed inductor is based on the principle of induction; when a current is passed through the inductor, it generates a magnetic field around it. This magnetic field, in turn, induces an opposing current, which opposes the original current. This opposing current creates a drop in the voltage across the inductor, as well as an increase in impedance.When used in an audio application, the inductor can be used to filter out certain frequencies. The inductor acts as a low-pass, bandpass, or high-pass filter depending on its design. To create a low-pass filter, the inductor is designed to allow lower frequencies to pass through while blocking higher frequencies. Similarly, a high-pass filter will block lower frequencies while allowing higher frequencies through. A bandpass filter, as the name implies, allows frequencies within a certain range to pass while blocking those above and below.

Conclusion

The 744787680 fixed inductor is a versatile component with a wide range of applications in audio, television, and antenna systems. This type of inductor works by inducing a opposing current when a current is passed through it, which creates a voltage drop and increases impedance. This allows the inductor to be used as a low-pass, bandpass, or high-pass filter, depending on its design.

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