4646

DC Resistance (DCR):	8.5 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.440" Dia x 0.875" L (11.18mm x 22.22mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	7.2MHz
Q @ Freq:	56 @ 790kHz
Series:	4600
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	160mA
Tolerance:	±5%
Inductance:	240µH
Material - Core:	Phenolic
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Introduction

Fixed inductors (4646) are passive components which store electrical energy in the form of a magnetic field when current passes through them. They have wide applications in the automotive, energy storage, aerospace, and medical industries. This article will discuss the application field and working principle of the 4646 fixed inductor.

Application Field

In the automotive industry, 4646 fixed inductors are used in the vehicle\'s powertrain for power conversion and energy storage, such as in power inverters and on board chargers for electric vehicles. In energy storage, they are used as part of a capacitor to store electrical energy in a more compact form. In the aerospace industry, they are used in avionics systems for power conditioning and lighting systems. In the medical industry, they are used for charging battery packs and medical instruments as well as power control circuits.

Working Principle

When an electrical current passes through a 4646 fixed inductor, it produces a magnetic flux in the core which stores electrical energy in the form of a magnetic field. The magnitude of the magnetic flux is directly proportional to the magnitude of the current flowing through the inductor. When the current stops flowing, the magnetic field begins to collapse and the energy stored in the field begins to dissipate. This energy is then converted back into electrical energy which can be used to power other circuits.The core of the 4646 inductor is typically made from ferrite or powdered iron and the winding is typically made from copper wire. The winding is then connected to the inductor\'s terminals which can be used to connect the inductor to other components or systems. The inductance of the inductor is determined by the number of turns on the winding, the size of the core, and the type of material used in the core.

Conclusion

4646 fixed inductors are passive electronic components which store electrical energy in the form of a magnetic field. They have a wide range of applications in the automotive, energy storage, aerospace, and medical industries. The working principle of the inductor is based on the production of a magnetic flux when current passes through the core. The magnitude of the flux is directly proportional to the magnitude of the current and when the current stops flowing the energy stored in the magnetic field is converted back into electrical energy which can be used elsewhere.

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