SRR4028-1R2Y Inductors, Coils, Chokes

DC Resistance (DCR):	20 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.189" L x 0.189" W (4.80mm x 4.80mm)
Supplier Device Package:	--
Package / Case:	1919 (4848 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	176MHz
Q @ Freq:	9.34 @ 7.96MHz
Series:	SRR4028
Shielding:	Shielded
Current - Saturation:	2.56A
Current Rating:	3.1A
Tolerance:	±30%
Inductance:	1.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SRR4028-1R2Y Application Field and Working PrincipleFixed inductors are one of the most common types of inductors used in many different types of electronic devices. The SRR4028-1R2Y is a surface-mounted fixed inductor with an inductance of 1.2mH. This particular inductor is made of a mixture of ferrite and lead wires, and is designed to ensure reliable operation in high-current environments.The primary purpose of a fixed inductor is to store energy in a magnetic field. This energy can then be used to help carry current through a circuit. When current passes through a fixed inductor, the magnetic field created within the inductor builds up and causes a voltage to be generated. This voltage, in turn, is used to help power the circuit.One of the main applications for the SRR4028-1R2Y is in the power circuit of various electronic systems. In particular, it is often used to provide power to high-current components such as motors and solenoids. Its robust construction and high current handling ability make it an ideal choice for such applications.The SRR4028-1R2Y also has a wide range of uses in restraining and limiting current in other types of circuits. Its ability to store energy in a magnetic field and release it slowly over time makes it an ideal choice for this purpose. It can also be used in combination with other components to help regulate current in a more precise manner.In addition to its practical applications, the SRR4028-1R2Y also has a number of other advantages. Its compact size makes it easy to fit into cramped spaces, and its simple construction keeps it free from contact and other electrical problems. It is also highly resistant to wear and tear, making it ideal for systems with prolonged or frequent use.To understand how the SRR4028-1R2Y works, it is important to understand the basics of magnetic fields and inductors. When current passes through a wire wrapped in a magnetic material, it generates a magnetic field around the wire. This magnetic field allows energy to be stored in it and, when current is no longer flowing, the energy is released slowly over time.The SRR4028-1R2Y coil is made from multiple turns of wire that have been wound around a ferrite core. As current passes through the wire, it creates a magnetic field around it. This magnetic field is used to store and release energy over time. The ferrite core helps to increase the coil\'s efficiency and limit the current that can be passed through it.Overall, the SRR4028-1R2Y is a robust and reliable fixed inductor that has many different uses in a variety of electronic systems. Its high-current handling ability, combined with its small size and long life span, make it an ideal choice for many applications. Its simple construction means that it is also easy to maintain and its resistance to electrical issues makes it a secure and reliable component.

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