SD7040-101-R

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Fixed inductors, also known as non-changeable inductors, are components that store energy in magnetic form. They are used to stabilize and filter signals in circuits, providing an inductance which cannot be adjusted after the component is installed. The SD7040-101-R is one such fixed inductor, and it is popular in modern circuits for its many performance benefits.

The SD7040-101-R is made of nickel-zinc powdered iron core material, and it is classed as a “superglue” type inductor. Its size is 7.0 x 4.0mm, making it ideal for small circuits. It has a low DC resistance (DCR) and a very high Independent Component Testing (ICT) rating. When it is loaded with 5V DC, the SD7040-101-R can withstand temperatures up to +125°C due to its high saturation current rating.

The SD7040-101-R has a wide range of application fields. It is most commonly used in power management circuits, such as DC-DC converters and voltage regulators. It is also used in power supplies and audio circuits, providing electrical isolation and noise filtering. It can be found in miniature electronic circuits where its small size and low DCR resistance is beneficial. Other application fields of the SD7040-101-R include in VRMs, UPS, DVS, LED drivers, power amplifiers, and USB power adapters.

The working principle of the SD7040-101-R is relatively simple. It consists of an inductor coil wound around a core material. When electricity is applied to the coil, a magnetic field is generated which is closely linked to the amount of electric current and the number of coil turns. This magnetic field then sets up a voltage in the core material that opposes the voltage applied to the coil. This is known as electromagnetic induction and it is the principle on which the SD7040-101-R’s operation is based.

The SD7040-101-R is a powerful fixed inductor with many different applications. Its small size and low DCR resistance make it ideal for compact circuits, and its high saturation current rating and ICT rating make it an ideal choice for power management purposes. Overall, it is a versatile and reliable inductor that can be used in a huge variety of circuits.

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