SRP6540-3R3M Inductors, Coils, Chokes

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Fixed inductors, also known as chokes, are passive two-terminal electrical components used in various electronic circuitry, primarily in power supplies and filters. They are designed to hinder the flow of alternating current (AC) in a circuit, while allowing the flow of direct current (DC) with minimal reactance. A typical fixed inductor is essentially a coil of wire wrapped around a solid electrode, also known as a core. The core may be made from ferrite or other materials and serves two purposes: it helps support the windings in place, and helps to reduce the inductor\'s magnetic field outside. The SRP6540-3R3M is a type of fixed inductor.

The SRP6540-3R3M is designed for high-reliability applications such as automotive, telecom, industrial, consumer, and medical applications. It is a common mode inductor, which is a form of an inductor with functioning center tap as one end of each winding is connected to the center of the coil. It features a 3R3M inductance (3.3 millihenry) and features a temperature range of -40°C to +125°C. The SRP6540-3R3M is an axial lead-in structure with a very low profile of 1.0mm maximum, making it ideal for densely-packed boards. It has an impedance ranging from 22-30 ohms, which helps suppress interference in high-frequency applications.

The SRP6540-3R3M works on the principle of electromagnetic induction. Electromagnetic induction is the production of a voltage across a conductor that is subjected to a changing magnetic field. This happens when a current flows through the coil, generating a magnetic field in a closed circle. When this current is changed, the magnetic field changes, generating a voltage between the coil\'s two terminals. This voltage is inversely proportional to the current, and the equation for it is known as Faraday\'s Law of Induction.

The SRP6540-3R3M is primarily used in power supplies and filters to suppress high frequency noise. It can also be used to protect circuits from transient voltage spikes and to reduce overall power losses in DC-DC power converters. In antenna circuits, they are used to match the impedance of the antenna to the impedance of the transmission line. In audio circuits, they are used to reduce the amount of unwanted noise and to shape frequency response.

Overall, the SRP6540-3R3M is a great choice for high-frequency applications that require a small form factor and high impedance characteristics. It is designed to protect circuits from transient voltage spikes and reduce power losses in DC-DC power converters. The SRP6540-3R3M is a great choice for designs that require effective noise suppression or frequency control in audio-processing circuits.

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