SRR4818A-3R9Y Inductors, Coils, Chokes

Q @ Freq:	--
Height - Seated (Max):	0.079" (2.00mm)
Size / Dimension:	0.189" L x 0.189" W (4.80mm x 4.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 150°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	65MHz
Series:	SRR4818A
DC Resistance (DCR):	70 mOhm Max
Shielding:	Shielded
Current - Saturation:	1.9A
Current Rating:	2.7A
Tolerance:	±30%
Inductance:	3.9µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are widely used in a variety of applications, such as signal processing, power RF applications, energy storage, and more. The SRR4818A-3R9Y is a type of fixed inductor designed for the aforementioned applications. It is an ideal component for switching regulators, RF circuits, chokes, and other types of circuitry. In this article, we will discuss the SRR4818A-3R9Y application field and working principle.

SRR4818A-3R9Y Application Field

The SRR4818A-3R9Y fixed inductor is designed to be used in a variety of applications, including signal processing, power RF applications, energy storage, and more. It can be used in switching regulators, DC/DC converters, and low-noise, high-efficiency power electronics. It is particularly well-suited for RF circuits, as it offers excellent shielding effectiveness, low radio-frequency interference (RFI), and high power efficiency. It is also ideal for chokes, which limit the amount of current that can pass through a circuit.

SRR4818A-3R9Y Working Principle

The SRR4818A-3R9Y fixed inductor primarily works on the principle of magnetic induction. This means that, when an electric current travels through the inductor, a magnetic field is created, which, in turn, induces an electric current in a second loop, thereby transferring energy from one loop to the other. This inductor is designed to have a low DC resistance, allowing for high-power applications where the current remains constant over time. Its low inductance provides for fast switching applications and its ferrite core ensures low losses over a wide range of frequencies. The inductor also features a wide temperature range, allowing for operation in extreme temperatures. Its temperature coefficient ranges between -40 and +125°C, so it can be used in harsh environments.

Conclusion

In conclusion, the SRR4818A-3R9Y fixed inductor can be used for a variety of applications, including RF circuits, chokes, switching regulators, and other power electronics. It works on the principle of magnetic induction, and its features make it a suitable component for high-power, fast-switching, and high-efficiency circuits. Its ferrite core and wide temperature range allow it to operate in extreme environments.

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