4669-475K

Series:	4669
Packaging:	Bulk
Part Status:	Obsolete
Type:	Wirewound
Material - Core:	Ferrite
Inductance:	4.7mH
Tolerance:	±10%
Current Rating:	60mA
Current - Saturation:	110mA
Shielding:	Unshielded
DC Resistance (DCR):	29.9 Ohm Max
Q @ Freq:	65 @ 250kHz
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	250kHz
Mounting Type:	Through Hole
Package / Case:	Radial
Supplier Device Package:	--
Size / Dimension:	0.387" L x 0.165" W (9.83mm x 4.19mm)
Height - Seated (Max):	0.310" (7.87mm)

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Introduction

Fixed inductors, also known as inductors, are passive electronic components used to induce electric current in circuits in order to store electromagnetic energy. Inductors are used in a wide range of applications, including signal conditioning, power management, power conversion, and energy storage. One particular type of fixed inductor is the 4669-475K inductor, which is widely used in these applications due to its high efficiency, durability and cost-effectiveness. In this article, we will discuss the 4669-475K inductor\'s application field and working principle.

Applications

The 4669-475K inductor has specific advantages that make it suitable for many different applications. It can be used as pulse transformers in integrated circuits, to reduce noise in switching power supplies, and in RF circuits. It is also widely used for high power switching devices in telecommunication systems, motor drive circuits, and power amplifier modules. Because of its high efficiency, it is a preferred inductor for EMI noise suppression, frequency response shaping, and voltage conversion applications. In addition, the 4669-475K inductor is widely used in automotive and industrial applications, such as power converters and servo motors.

Working Principle

The 4669-475K inductor works on the principle of Mutual Inductance. When a current is passed through a coil of wire (the primary coil), it creates an electromagnetic field which induces a voltage into an adjacent coil of wire (the secondary coil). This voltage is proportional to the rate of change of current, thus creating an inductive effect. The 4669-475K inductor works on this principle, and is designed to provide very low equivalent circuit parasitic. This ensures high efficiency and low signal distortion when inductors are used in circuits.

The 4669-475K inductor also has two core types. The ferrite core has higher inductance than a standard air core, providing an even stronger electromagnetic field for the inductor. The powdered iron core has even higher inductance than a ferrite core and is typically used for high-power applications. It also has a higher electric resistance, which helps reduce the influence of radio frequency interference (RFI).

Conclusion

The 4669-475K inductor is a versatile and reliable piece of electronic equipment, with applications in many different industries. Its high efficiency, low signal distortion, and ability to withstand high power make it a great choice for many types of projects. Additionally, its two core types—ferrite and powdered iron—allow designers to select the best solution for their application.

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