SDR0302-3R9ML Inductors, Coils, Chokes

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Fixed Inductors have been a major component in electronic for a long time due to their ability to store energy in the form of a magnetic field. The SDR0302-3R9ML is a commercial-grade inductor from TT Electronics, a popular manufacturer of electronic components. This Fixed Inductor is used in a wide array of applications, making it an essential component for many electronic designs. This article will discuss the application field and working principle of the SDR0302-3R9ML.

The SDR0302-3R9ML is a 3-pin inductor designed for use in DC/DC converters and other applications that require high current and high frequency operation. The fixed inductor features a low profile design with a 3.9 μH inductance in a 0.27”x0.35” footprint. The device operates with optimal performance in temperatures from -40°C to +125°C and can tolerate up to 30A of current in continuous mode. Additionally, the SDR0302-3R9ML has a low equivalent series resistance (ESR) of about 0.22Ω. This makes it ideal for use in switching converters, which often require a fast response time.

The SDR0302-3R9ML can be used in a variety of applications such as DC/DC converters, audio systems, motor controllers, and more. This fixed inductor is ideal for use in automotive and industrial applications due to its ability to withstand high temperatures and high current. Additionally, the device is RoHS compliant, allowing for easy and environmentally friendly installation in different regions.

The SDR0302-3R9ML works on the principle of electromagnetic induction. When an alternating current (AC) is applied to the coil, a magnetic field is created around the coil. This magnetic field stores energy and, when the current is removed, the field collapses and the energy is returned to the source. This process is known as inductance. The magnitude of the inductance, also known as the inductance value, is proportional to the number of turns in the coil, as well as the diameter and length of the coil.

The SDR0302-3R9ML is a reliable and efficient fixed inductor that can be used in a variety of different applications. Its low profile design and high current rating make it an ideal choice for use in DC/DC converters, motor controllers, and other electronic designs. Additionally, its ability to operate in a wide temperature range makes it ideal for use in automotive and industrial applications. Finally, its low ESR rating makes it ideal for use in switching converters that require a fast response time.

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