SD7030-440-R

DC Resistance (DCR):	238 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.276" L x 0.276" W (7.00mm x 7.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SD7030
Shielding:	Shielded
Current - Saturation:	800mA
Current Rating:	1.1A
Tolerance:	±30%
Inductance:	43.4µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are components that use a coil made of wire to create an electric field. They are used in many different types of electronic circuitry, from radio receivers to amplifiers and more. The SD7030-440-R is an example of a fixed inductor designed for use in high power applications. This article discusses the application field and working principle of this type of inductor.The SD7030-440-R is a surface mountable through-hole device with an encapsulated base and a maximum power rating of 3A. It is designed for use in high-power amplifiers, DC and AC circuit control systems, and any other application where the inductor is subject to heavy surge and/or continuous duty loads. The device has an inductance rating of 400mH and can handle current up to a maximum of 3A. The device has a voltage rating of 400V and can handle current up to a maximum of 3A.The working principle of a fixed inductor is based on Faraday’s Law of induction. When an electric current is passed through a wire coiled into a core, it generates a magnetic field around the core. This magnetic field then induces a voltage in a second wire coiled around the core in opposite direction. The voltage induced in the second coil is opposite and proportional to the current in the first wire. This is the principle behind the operation of fixed inductors.The SD7030-440-R is constructed with a ferrite core, which is ideal for high-frequency applications. This type of core provides high inductance and can handle large currents, making it suitable for applications such as high power amplifiers. The device has an inductance tolerance of ±10% and features a temperature coefficient of 200±100ppm/°C. The device also features a high self-resonant frequency of 6MHz, which makes it ideal for use in high-frequency applications.In summary, the SD7030-440-R is an excellent choice for high-power applications due to its high power rating and capacitance tolerance. The device also features a ferrite core and high self-resonant frequency. The device is surface mountable and is designed for use in circuits where the inductor is subject to heavy surge and/or continuous duty loads. The working principle behind the device is the induction of a voltage in a second coil due to a current in the first wire, as described by Faraday’s Law of induction.

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