SDR2207-3R9ML

DC Resistance (DCR):	12 mOhm Max
Height - Seated (Max):	0.307" (7.80mm)
Size / Dimension:	0.866" L x 0.591" W (22.00mm x 15.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	36MHz
Q @ Freq:	38 @ 3MHz
Series:	SDR2207
Shielding:	Unshielded
Current - Saturation:	15A
Current Rating:	9A
Tolerance:	±20%
Inductance:	3.9µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are electronic components that are widely used in a variety of applications, and one of the most common type of inductors is the fixed inductor. Fixed inductors are used in electrical and electronic circuits to provide inductance for creating oscillating magnetic fields. The SDR2207-3R9ML fixed inductor is an example of a widely used fixed inductor, and its application field and working principle are discussed in this article.The SDR2207-3R9ML is a radial-configured inductor which is used mainly as a radio frequency (RF) antenna matching component. The component has an inductance value of 3.9µH and a rated current of 300mA. It has a self-resonant frequency that is suitable for a high-frequency application, and it can be used in inductive reactance and resonant circuits. The SDR2207-3R9ML has a polymetric construction with a ferrite core and a silver-plated copper alloy wire that is wound around it. The inductance is stable over a wide frequency range, and has excellent tolerance levels.The working principle of the SDR2207-3R9ML inductor is based on Faraday’s law of induction. When an electric current is passed through the inductor, it creates a magnetic field which induces a voltage in the inductor, according to Faraday’s law. This voltage is proportional to the rate of change of current, which means that the voltage increases as the rate of change of current increases. This voltage opposes the applied current, resulting in a decrease in the current flow, and is known as inductive reactance.The SDR2207-3R9ML inductor has various applications in the fields of radio frequency equipment, communication system, signal processing, and embedded systems. It is often used in RF antennas, as high-frequency antenna matching components, in order to reduce the impedance of the antenna by providing inductive reactance. The inductor can also be used to create RF filtering and signal amplifying circuits, as well as to create oscillating magnetic fields. The component can also be used as a common mode inductor in power converters, for providing a return path for the common mode currents.In conclusion, the SDR2207-3R9ML is a widely used fixed inductor, which is used mainly as a radio frequency component. It has a polymetric construction which enables it to provide excellent tolerance levels and resonance frequencies suitable for a variety of applications. The working principle of the component is based on Faraday’s law of induction, and it is used in a number of different applications, such as RF antennas, RF filtering and signal amplifying circuits, and power converter circuits.

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