HKQ04021N7S-T

DC Resistance (DCR):	190 mOhm Max
Height - Seated (Max):	0.009" (0.23mm)
Size / Dimension:	0.016" L x 0.008" W (0.40mm x 0.20mm)
Supplier Device Package:	01005 (0402 Metric)
Package / Case:	01005 (0402 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	500MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	10GHz
Q @ Freq:	10 @ 500MHz
Series:	HK, Q Type
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	320mA
Tolerance:	±0.3nH
Inductance:	1.7nH
Material - Core:	Ceramic
Type:	Multilayer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors are an important part of modern electronics. They are used in a variety of applications, from computers and phones to industrial and medical equipment. In this article, we will discuss the application field and working principle of the HKQ04021N7S-T Fixed Inductor.

Definition of Fixed Inductors<\h2>Fixed Inductors are electronic components typically used to store energy and, in some cases, create an electromagnetic field. They are typically used in combination with capacitors and resistors to form an electric circuit. Fixed Inductors have a winding of wire wound around a core of magnetic conductive material. The windings create an oscillatory current, acting as a filter or smoothing device to reduce current ripple. In general, they are among the most versatile components in an electronic circuit and are essential for many applications.

Application Field of HKQ04021N7S-T<\h2>The HKQ04021N7S-T Fixed Inductor is a broadband power inductor designed for high power and moderate frequency applications. It is ideal for use in designs ranging from automotive telematics and measuring systems to communication networks and consumer electronics. Its low ohmic resistance and high current capacity make it suitable for a wide range of circuits. Furthermore, its low-temperature coefficient ensures greater stability even in extreme temperatures.

Working Principles<\h2>The working principles of the HKQ04021N7S-T Fixed Inductor involve the use of an alternating current input. This alternating current creates an oscillating magnetic field which produces a voltage induced in the winding. This voltage opposes the original AC signal, creating a current in the winding. This current stores energy and is used to either create or reduce current ripple. The amount of energy stored is determined by the Q-factor of the inductor. This is the ratio of stored energy to dissipated energy. The higher the Q-factor, the higher the level of energy storage. The HKQ04021N7S-T has a high Q-factor of 500, making it perfect for applications requiring high power and moderate frequency.

Conclusion<\h2>In conclusion, the HKQ04021N7S-T Fixed Inductor is an ideal component for high power and moderate frequency applications. Its low ohmic resistance and high current capacity make it suitable for a wide range of circuits. Furthermore, its high Q-factor ensures greater stability even in extreme temperatures. This makes it perfect for applications ranging from automotive telematics and measuring systems to communication networks and consumer electronics.

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