SRU1038-2R2Y

DC Resistance (DCR):	7.7 mOhm
Height - Seated (Max):	0.161" (4.10mm)
Size / Dimension:	0.394" L x 0.394" W (10.00mm x 10.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	55MHz
Q @ Freq:	12 @ 7.96MHz
Series:	SRU1038
Shielding:	Shielded
Current - Saturation:	6.5A
Current Rating:	6.8A
Tolerance:	±30%
Inductance:	2.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: SRU1038-2R2Y Application Field and Working Principle

Inductors are essential components in electrical circuits, providing a key role in the filtering, buffering, or transferring of electrical signals. They are widely used in circuit design and are important for setting up operational parameters. The SRU1038-2R2Y in particular is a popular type of fixed inductor, classified as a "bead-core" type. This article will explain its application field and working principle in further detail.

Application Field of the SRU1038-2R2Y

The SRU1038-2R2Y is an off-board fixed inductor that is typically used in resonant converters or DC-DC Switching Power Supplies. Its ability to store energy and ability to act as a filter make it a go-to choice for engineers designing these circuits. The SRU1038-2R2Y specifically has a quality factor of 6, and a rated current of 0.12 Amps, making it a suitable choice for filtering circuits operating at frequencies up to 500 kHz.

Working Principle of the SRU1038-2R2Y

The SRU1038-2R2Y is an inductor that works by inducing a magnetic field in the core, which is in turn affected by a changing current that flows through the conductive coil. This changing current causes the magnetic field to grow and collapse, storing and releasing the electrical energy over a given time period of the cycle.This helps to create a filtered current that is more suitable for downstream circuits. The SRU1038-2R2Y in particular is known for its low resistance, allowing for a high current to pass with minimal power losses.The SRU1038-2R2Y is also known for its low profile, which makes it ideal for use in applications where space is limited. It also has a lower noise profile, making it more suitable for use in noise sensitive applications.

Conclusion

The SRU1038-2R2Y is a popular fixed inductor, providing a suitable solution for resonant converters and DC-DC Switching Power Supplies. Its working principle involves inducing a magnetic field in the core, which is then affected by a changing current. This helps to filter a current and provide a more suitable signal for downstream circuits. The SRU1038-2R2Y is known for its low profile, low resistance, and low noise profile, making it a great choice for many applications.

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