SRU1038A-330Y

DC Resistance (DCR):	112 mOhm Max
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:	AEC-Q200
Frequency - Self Resonant:	10MHz
Q @ Freq:	22 @ 2.52MHz
Series:	SRU1038A
Shielding:	Shielded
Current - Saturation:	1.8A
Current Rating:	1.8A
Tolerance:	±30%
Inductance:	33µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are components that are designed to store up energy in the form of magnetic field. They are widely used in electronic circuits for many applications such as power supply regulation, filtering, and signal amplification. One type of fixed inductor is the SRU1038A-330Y. This component can be used in a variety of ways, and its working principle and application field are briefly discussed below.

Working Principle

The SRU1038A-330Y is a high-current inductor that can withstand up to 500mA of current. It consists of a wound wire on a ferrite core wound in a specific pattern to create the necessary inductance value. This winding creates a magnetic field that when presented with a changing current, it will create a magnetomotive force that will induce a current in the winding, this current is known as the inductor’s self-inductance.The magnetic field stores energy through Faraday’s law, when current flows through the inductor, the magnetic field increases in intensity which causes energy to be stored in the form of a magnetic field. The inductor does not directly release this stored energy, instead, it holds back the current, slowing down any rate of change of current. This property of the inductor is known as its inductance.

Application Field

The SRU1038A-330Y is most commonly used in switch mode power supplies for its ability to store energy in the form of a magnetic field. In this application, the inductor is used to filter out any power spikes, reducing the amount of noise in the power supply.The SRU1038A-330Y can also be used in audio circuits for frequency filtering. Here the inductor is placed across a capacitor, forming a low pass filter, that removes high-frequency signals from the audio allowing lower frequency sounds to pass more easily.The SRU1038A-330Y inductor can also be used as an electrical noise suppressing component and filtering out unwanted frequencies. In this application, the inductor is placed across different circuits to ensure that there is no interference when the circuits are operating.The SRU1038A-330Y can be used in many other applications including: current limiter, RF choke, oscillating circuit, signal generator, pulse generator, and more.

Conclusion

The SRU1038A-330Y is a versatile fixed inductor that can be used in a variety of applications. It works on the principle of Faraday’s law and stores energy in the form of a magnetic field. This energy is then released when the circuit voltage changes. The SRU1038A-330Y inductor is most commonly used in switch mode power supplies and other applications such as audio circuits, frequency filtering, and noise suppression.

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