73F393AF Inductors, Coils, Chokes

DC Resistance (DCR):	18 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.510" Dia x 0.625" L (12.95mm x 15.88mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	250kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	1.2MHz
Q @ Freq:	95 @ 250kHz
Series:	73F
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	125mA
Tolerance:	±5%
Inductance:	3.9mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Fixed Inductors are devices used in numerous designs and applications for storage of electrical energy or for frequency selection. 73F393AF is a popular fixed inductor device often used in power supplies, portable electronics, radio communications, and other applications. This article will discuss the application field and working principle of the 73F393AF.The 73F393AF is a fixed inductor with a robust construction and low parasitic components. It is available in multiple package sizes to meet various space constraints. These inductors feature high accuracy and low flux variations, making them ideal for a variety of electronic applications. For instance, they are often used in power supplies and converters, DC-DC converters, and voltage-controlled oscillators.The 73F393AF is also commonly found in communications equipment such as cellular phones and radio systems. The device is designed to have high flux linearity and high core-loss isolation, making it ideal for use in high frequency applications. These inductors are available with lengths ranging from 4 to 20 millimeters, and the number of turns can be changed to meet the exact application needs.The 73F393AF features a low core loss, high inductance, and a high linearity. The device is useful for circuit designs requiring high-linearity components. The 73F393AF features a flat temperature coefficient of impedance (TCR), making it highly reliable and stable for a variety of uses. The inductor has a high current rating, low DC resistance, and a high saturation current value.The working principle of the 73F393AF is based on the effects of electric current within a wire. When current flows through the wire, the magnetic field generated induces a voltage across the inductor. This voltage is inversely proportional to the rate of change of the current in the coil and is expressed as ‘inductance’. The inductance of an inductor is determined by the number of turns, the cross-sectional area of the coil, and the core material of the inductor.The 73F393AF has a high current rating and offers low DC resistance, making it useful in power applications such as transformers. The device also offers a high linearity, allowing it to be used in precise applications such as oscillators and converters. The device also offers stability over temperature and is suitable for use in high power applications.In summary, the 73F393AF is a fixed inductor device used in power supplies, portable electronics, radio communications, and other applications. It features a low core loss, high accuracy, low flux variations, high linearity, and high flux linearity. The device is useful for circuit designs requiring high-linearity components. The working principle of the 73F393AF is based on the effects of electric current within a wire and the inductance of an inductor is determined by the number of turns, the cross-sectional area of the coil, and the core material of the inductor.

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