SRR0745A-330M Inductors, Coils, Chokes

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Fixed inductors, also known as chokes, are electronic components that as their name implies have a fixed inductance. In simple terms, an inductor is a device capable of storing energy in the form of magnetic fields when a current is flowing through it. As the name implies, a fixed inductor is one whose inductance is fixed and cannot be adjusted. Fixed inductors are used in a variety of applications, such as power supplies, communications, and audio equipment.

The SRR0745A-330M is a Fixed Inductor designed for high-current applications. It is a snap-in type inductor with a maximum current rating of 330mA and a maximum DC resistance of 0.03 Ohms. It also has a high saturation current of 130mA and a low temperature coefficient of 0.19%. This inductor is suitable for applications such as DC/DC converters, switched-mode power supplies, dc-dc converters, and motor controls. It is especially suitable for noisy conditions where high levels of power-on reset are required.

The working principle of the SRR0745A-330M is based on the concept of Faraday’s Law of Induction. As a current passes through the inductor coil, it causes a changing magnetic field. This changing magnetic field induces an electromotive force or voltage in the inductor. The magnitude of this voltage depends on the magnitude and rate of change of the current. This voltage is known as the “back EMF”, or counter electromotive force. This back EMF opposes the change of current, causing the current to remain constant. This is known as the inductor’s “self-induction property”.

The core material used in the SRR0745A-330M is ferrite, which is a type of ceramic material made of iron, aluminum, and other oxides. It has excellent magnetic characteristics and is used in the construction of inductors to increase their inductance. In addition to its magnetic properties, ferrite is also heat resistant and has a low internal loss, making it suitable for high-current applications.

The SRR0745A-330M is designed to limit the switching voltage spikes and reduce radiated noise. Its self resonant frequency is 200kHz. The inductance of the SRR0745A-330M is 3.3uH +/-20%, and the tolerance is 5%. The temperature range of the inductor is -40°C to +125°C.

The SRR0745A-330M is an excellent choice for use in high-current applications. It offers excellent performance, low DC resistance, and high saturation current. It can be used in DC/DC converters, switched-mode power supplies, dc-dc converters, and motor controls. It is also suitable for noisy applications where high levels of power-on reset are required.

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