0819R-74F

Series:	0819R
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Molded
Material - Core:	Ferrite
Inductance:	120µH
Tolerance:	±1%
Current Rating:	54.5mA
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	16 Ohm Max
Q @ Freq:	35 @ 790kHz
Frequency - Self Resonant:	8.9MHz
Ratings:	--
Operating Temperature:	-55°C ~ 105°C
Inductance Frequency - Test:	790kHz
Mounting Type:	Through Hole
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.078" Dia x 0.200" L (1.98mm x 5.08mm)
Height - Seated (Max):	--

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Introduction

Fixed inductors are small electric components that work by passing current through a conducting coil. They are used in electronic circuits as part of a larger system, for various applications, including signal conditioning and the conversion of electrical energy. The specific 0819R-74F inductor is a fixed inductor comprising of a copper-plated closed winding with multiple turns. Its operating frequency ranges from 0.1-25MHz, making it suitable for use in high-frequency electronics applications.

Specifications

The 0819R-74F inductor comes with a wide range of specifications. It has an inductance of 0.74uH, a resistance of 0.2Ω, a current rating of 40A minimum, a temperature rise limit of 45°C, and a peak current rating of 115A. Additionally, it has a self-resonant frequency of 8.5MHz and a referable Q factor of 120.

Application Field

The 0819R-74F inductor is suitable for use in stereo speakers, computer motherboards, automobiles, medical equipment, telecommunication devices, and other high-frequency electronics applications. It is used in audio circuits to provide a smooth frequency response and reduce electrical noise, in power amplifiers to filter and regulate power, and in circuit boards as part of an oscillator.

Working Principle

The 0819R-74F inductor operates by passing current through a conducting coil, which creates a magnetic field. As the current flow is increased, the inductance increases and a back-EMF voltage is generated, and as the current decreases, the inductance decreases, and a forward voltage is generated. This process is known as Faraday’s Law of Induction, and it is used to convert electrical energy into a magnetic field.

Advantages

The 0819R-74F inductor has several advantages over other inductors. It has a wide operating frequency range, making it suitable for use in a variety of application fields. It also has a high current rating, allowing it to handle larger currents without overheating or failure. Additionally, it has a low temperature rise limit, which ensures that it operates consistently and reliably.

Conclusion

The 0819R-74F inductor is a versatile and reliable component designed for use in a variety of applications. Its wide operating frequency range makes it suitable for use in high-frequency electronics, and its high current rating allows for larger currents without overheating or failure. It is a highly-reliable component, and its use should be extensively explored.

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