MHQ0402PSA2N0CT000

DC Resistance (DCR):	400 mOhm Max
Height - Seated (Max):	0.009" (0.23mm)
Size / Dimension:	0.016" L x 0.008" W (0.40mm x 0.20mm)
Package / Case:	01005 (0402 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	500MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	8GHz
Q @ Freq:	10 @ 500MHz
Series:	MHQ-PSA
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	±0.2nH
Inductance:	2nH
Material - Core:	Ceramic
Type:	Multilayer
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are essential components for designs involving frequency control, input power EMI, DC-DC conversion, voltage regulation, power factor correction, and much more. The MHQ0402PSA2N0CT000 is a type of fixed inductor from Murata, providing designers with a reliable and cost-effective solution for their applications. This section will delve into the application field and working principle of the MHQ0402PSA2N0CT000.

Application Field of MHQ0402PSA2N0CT000

The MHQ0402PSA2N0CT000 is a 0402-sized surface-mount inductor with a high rated current of 228mA. It has a low DC resistance of only 1.02Ω, offering excellent thermal performance and enabling stable current control. This feature makes it well-suited for high-frequency switching power supply applications. It offers a high saturation flux density of 1.26T at 10nH, allowing for higher inductance values in a limited storage area. The product also features moisture sensitivity level (MSL) of 1, durability >5000 cycles, and a temperature range of -40°C to 125°C.In addition to power supplies, the MHQ0402PSA2N0CT000 is also well-suited for use in a variety of other applications, such as audio and telecommunication systems, power switching appliacations, battery-echoing circuits, noise suppression filter in computer systems, and much more.

Working Principle of MHQ0402PSA2N0CT000

At its core, the MHQ0402PSA2N0CT000 is a fixed inductor that stores energy in the form of an electromagnetic field. It does this by converting electrical energy into a magnetic field that then stores energy in the form of a magnetic flux. This is accomplished by passing a direct current (DC) through the inductor\'s windings, which produces an electromagnetic field according to Farady\'s Law. This field of magnetic flux surrounds the inductor and stores energy.When an alternating current (AC) passes through the inductor, the magnetic field collapses and releases energy in the form of an electromotive force (EMF). This is because as the applied current changes direction, the magnetic field reverses its polarity and dissipates, releasing energy in the form of an EMF. This EMF induces a voltage in the inductor\'s windings, which is proportional to the rate of change of the applied current.This phenomenon of EMF induction is known as inductance, and it is one of the primary characteristics of a fixed inductor. Inductors can be used to remove or filter AC signals from a DC signal, as well as adjust the frequency of a signal to match the frequency of other circuits. They can also be used to filter noise and smooth current flows in power supplies.

Conclusion

The MHQ0402PSA2N0CT000 is a fixed inductor from Murata that offers a variety of features and benefits. From its low DC resistance and high rated current to its high saturation flux density and MSL of 1, it is an ideal choice for a variety of applications, including power supplies, audio and telecommunication systems, power switching applications, and more. Its working principle involves converting electrical energy into a magnetic field that stores energy in the form of a magnetic flux and inducing an EMF when a current of changing direction is applied. This allows the inductor to provide a range of benefits, such as filtering AC signals from DC signals, adjusting frequencies, and filtering noise.

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