HKQ0603W4N3H-T

DC Resistance (DCR):	300 mOhm Max
Height - Seated (Max):	0.013" (0.33mm)
Size / Dimension:	0.024" L x 0.012" W (0.60mm x 0.30mm)
Supplier Device Package:	0201 (0603 Metric)
Package / Case:	0201 (0603 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	500MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	6GHz
Q @ Freq:	15 @ 500MHz
Series:	HK, Q Type
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	±0.3nH
Inductance:	4.3nH
Material - Core:	Ceramic
Type:	Multilayer
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, also called Line-Filters, are designed primarily for power line signal filtering in applications such as radio frequency interference (RFI) suppression and EMC (electromagnetic compatibility) control. One type of fixed inductor is the HKQ0603W4N3H-T, which has caught attention in recent years due to its unique design and features.

Applications of HKQ0603W4N3H-T

HKQ0603W4N3H-T is a cost-effective and space-saving fixed inductor designed for fast signal filtering in power line applications. It is also used for power supply line filtering, EMI, and EMC control. Its low profile compliments many designs where a space-saving component is needed.Because of its high power and superior frequency properties, the HKQ0603W4N3H-T is the preferred choice for many medical, industrial, automotive, and consumer products. In medical systems, the inductor is used for defibrillators, ECG machines, dental equipment, and other medical equipment. In industrial applications, the inductor is used in power supplies for instruments, industrial controllers, AC and DC motor controllers, railway signaling systems, and other source synchronization components. HKQ0603W4N3H-T inductors are also used in automotive safety applications, such as emergency brakes and automatic steering systems.

Features of HKQ0603W4N3H-T

The HKQ0603W4N3H-T Fixed Inductor has a wide range of features that make it an attractive choice for many applications. It has a high inductance value in a small form factor, which makes it compatible with small spaces. The inductor is shock and vibration resistant, has excellent frequency properties, and is UL 94 certified. Its low leakage inductance ensures high quality signals with minimal interference.The HKQ0603W4N3H-T is also RoHS and REACH compliant. It has a reliable form of contact to the printed circuit board, which is an important feature in any design. Its low profile and robust construction provide a secure and reliable connection in any application.

Working Principle of HKQ0603W4N3H-T

The HKQ0603W4N3H-T fixed inductor works on the principle of inductance. When a current flows through the inductor, a changing magnetic field is created. This creates an opposing voltage, which is known as back EMF. The voltage across the inductor depends on the inductance and the rate of current change. The induced voltage is proportional to the rate of change of current, and can be used to filter the power line signals.When the inductor is used as a filter, the selectivity of the filter is determined by the inductance value. The higher the inductance value, the more selective the filter. The higher the number of turns, the higher the inductance value and, thus, the selectivity. This helps in ensuring a cleaner signal, with minimal interference.

Conclusion

HKQ0603W4N3H-T fixed inductors are suitable for a wide range of applications. They are relatively small in size and have excellent frequency properties. Their robust construction, low profile, RoHS and REACH compliance, and UL94 certification make them an attractive choice for many applications. Their high inductance value makes them an effective filter, providing clean and interference free signals.

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