DC Resistance (DCR):	17.5 mOhm
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.315" L x 0.315" W (8.00mm x 8.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	60MHz
Q @ Freq:	12 @ 7.96MHz
Series:	SRU8028
Shielding:	Shielded
Current - Saturation:	3.5A
Current Rating:	3.6A
Tolerance:	±30%
Inductance:	3.3µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

SRU8028-3R3Y Application Field and Working Principle

The SRU8028-3R3Y is a fixed inductor manufactured by Vishay. It is designed for use in a wide range of automotive, industrial, and consumer applications. The SRU8028-3R3Y inductor performs exceptionally well in power-supply systems, DC-DC converters, and other power-management applications.The SRU8028-3R3Y has a maximum current rating of 3.3 A. It is designed with an epoxy-bonded core assembly and a tin-plated copper leadwire. Its overall dimensions are 33 mm x 22 mm x 10 mm. The SRU8028-3R3Y has a temperature range of -55°C to +125°C.An inductor is an electrical component that stores energy in the form of a magnetic field when current passes through it. It is composed of a coil of wire wound around a core material, usually a ferrite, iron or iron-oxide powder. Inductors can be found in circuit applications ranging from power supplies to radio signal processing.As current passes through the inductor, an opposing electrical field is produced. This electrical field opposes the flow of the current, causing the inductor to generate resistance. The greater the current through the inductor, the greater the resistance generated. This resistance, known as inductive reactance, is measured in ohms (Ω).Inductive reactance is affected by three factors: changes in the number of coil turns, changes in the core material of the inductor, and changes in the frequency of AC power. The number of coil turns affects the total reactance of the inductor. Changing the core material affects the inductor’s self-resonant frequency, which is the frequency at which the reactance is at a maximum. AC power frequency affects the reactance by changing the number of degrees of phase shift the signal can experience.The SRU8028-3R3Y has a rated reactance of 3.3 uH at 1 kHz. It is designed to provide superior low-noise performance and a high level of frequency stability at high temperatures. The SRU8028-3R3Y is an ideal choice for power-supply systems, DC-DC converters, portable electronics, and other power-management applications. It is also suitable for high-temperature, low-noise, and high-frequency-stability applications.

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