4470-27F

DC Resistance (DCR):	6.4 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.310" Dia x 0.910" L (7.87mm x 23.11mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	11.2MHz
Q @ Freq:	100 @ 1MHz
Series:	4470
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	280mA
Tolerance:	±1%
Inductance:	150µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors – 4470-27F Application Field and Working Principle

Fixed inductors, such as the 4470-27F, are electrical components that store energy in the form of a magnetic field as an electrical current passes through them. Physical inductors are composed of conductors formed into a coil and act as coils of wire which generate a magnetic field when current passes through. They are an essential component in the three basic types of electric circuits: AC, DC, and RF (radio frequency).The 4470-27F is a fixed inductor specifically designed for high-frequency applications, with parameters tailored for low insertion and return loss performance. This particular inductor is a Non-Magnetic Dewey inductor, meaning that its core is made of a metal, or non-magnetic, material such as ferrite, as opposed to ceramic types which have a magnetic core. The Non-Magnetic Dewey inductor design allows it to remain highly stable across a wide range of frequencies, making it suitable for high-speed circuitry where high-frequency stability is needed. The corresponding values of the 4470-27F make it useful in a variety of applications including antennas, power amplifiers, transducers, and more. It is designed for a 30MHz - 1GHz frequency range, with an inductance of 17nH - 2.4nH, a self-resonant frequency of 3.3GHz - 21GHz, and an insertion and return loss of 0.4dB and 2.5dB respectively.The 4470-27F fixed inductor elicits its electrical properties through the principle of electromagnetic induction. This principle states that an electric current generates a magnetic field, which, when exposed to a current-carrying loop, induces a voltage around the loop proportional to the rate of change of the magnetic flux. The flux occurs when the electrons move in the electrical conductor, thus creating a magnetic field around the wire. This magnetic field is then able to interact with the core material of the fixed inductor to create a disturbance in the electrons, thus inducing a voltage.Fixed inductors differ from variable inductors in that they have a fixed inductance, whereas variable inductors have an adjustable or variable inductance. This makes them extremely useful in a number of electrical and electronic devices because they can be used to maintain a precise frequency, stabilize voltage or current, or act as a transformer to regulate the level of power transferred between two circuits.Apart from their use in RF circuits, where this type of component is most commonly used, fixed inductors are also utilized in a variety of other circuits ranging from DC applications such as power supplies and audio filters, to AC applications like voice coils and power transformers.In conclusion, the 4470-27F fixed inductor is a Non-Magnetic Dewey inductor designed for high-frequency applications, with excellent stability and reliability. Its electrical characteristics are achieved by the principle of electromagnetic induction, which states that an electric current generates a magnetic field when exposed to a current-carrying loop, thus inducing a change in the electric potential within the core of the fixed inductor. Fixed inductors are a common component in a variety of electrical and electronic devices, and perform a variety of useful purposes like maintaining a precise frequency, stabilizing voltage or current, or acting as a transformer to regulate the level of power transferred between two circuits.

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