SRN6028-R90Y Inductors, Coils, Chokes

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Fixed inductors are built-in components that work based on the principle of inductance, and use a variety of materials to form an inductor. The fixed inductor SRN6028-R90Y of Coilcraft is such a product.

Features

The SRN6028-R90Y is a small footprint, high current, high Q inductor of 2.7 x2.5 x 3mm, with two terminals. It also has an efficient, low-profile design with superior performance. The inductance is 90nH with inductance tolerance of +100/-0%. It has a rated current of 1.7A and peak current of 4.2A with copper conductor and a IR drop of 6.1mΩ. It has a self-resonant frequency of 6.94GHz and a high Q value of 55.6 at 1MHz. The SRN6028-R90Y also has a satisfactory soldering temperature that can reach up to 260°C.

Applications

The SRN6028-R90Y is particularly suitable for circuit designs of high-speed communication, automotive electronics, DC-DC power converters and power supplies. It is mostly used in RFID, cellular base stations, and satellite communication. It also widely applied in filters, oscillators and signal transformers, USB port over-current protection, switching power supplies, and transceivers.

Working Principle

The SRN6028-R90Y is based on the principle of inductance. When a coil of wire is connected to an alternating current, the current flowing through the coil generates a magnetic field that is constantly changing and thus induces a voltage in the coil.Inductors however have the ability to resist a change in the current. As the magnetic field increases, the inductor resists the current increase by increasing the back-EMF generated by the inductor. This back EMF means that the inductor is able to limit the amount the current can rise, which is why it is used in applications such as DC-DC power converters and power supplies, where it is important to limit the magnitude of the current.

The SRN6028-R90Y is a fixed inductor that uses a variety of materials to form an inductor. The inductance is rated at 90nH and it has a high Q value of 55.6 at 1MHz, making it an efficient and low-profile design with superior performance. It also has a satisfactory soldering temperature that can reach up to 260°C, making it suitable for a wide range of applications.

Conclusion

The SRN6028-R90Y is a fixed inductor designed for a wide range of applications such as RFID, cellular base stations, and satellite communication. It works based on the principle of inductance whereby a magnetic field is generated by an alternating current and this induces a voltage in the coil. This makes the inductor resist the change in the current, thereby limiting the magnitude of the current. It has a rated current of 1.7A and peak current of 4.2A with a Q value of 55.6 at 1MHz and satisfactory soldering temperature of up to 260°C.

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