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Fixed Inductors: SRR1210A-1R0Y

Inductors are components used to store energy in the form of a magnetic field and create a current when connected to an AC power source. For many applications, including audio and radio frequency circuit designs, an inductor is required to provide a reactance that gives the desired frequency and amplitude response. As the name implies, a fixed inductor is an inductor whose parameters, such as inductance and Q-factor, remain constant irrespective of the applied voltage or frequency. Fixed inductors are further categorized into chip-type (or surface mount) and leaded types. The SRR1210A-1R0Y series is a leaded fixed inductor made of ferrite core material and wire windings.

Application Field

The SRR1210A-1R0Y series is used in wide range of applications such as RF circuits, switching power supplies, electronic ballasts, automotive electronics, motor control circuits, etc. Owing to their low profile, low cost and high power-to-volume-ratio, these inductors are ideal for use in almost any circuit.

Working Principle

The working principle of an inductor is based on Faraday\'s Law of electromagnetic induction. The law states that when an electric current flows through a conductor, a magnetic field is created around it. The magnitude and direction of the magnetic field is determined by the amount of current in the conductor and the direction of the current. The magnetic field created by the inductor can be used to create a current in a circuit. When a voltage is applied to a coil of wire, it creates a current that flows through the wire and creates a magnetic field around it. When the current in the wire is changed, the changes in the magnetic field induces a voltage in the coil which causes a current to flow in a closed circuit. The SRR1210A-1R0Y series makes use of this principle to create an inductance in its circuitry.

The SRR1210A-1R0Y series is designed using a ferrite core material which increases the value of the inductance with an increase in the core size. The ferrite core is also responsible for the low-loss characteristics of the SRR1210A-1R0Y, making it suitable for high-frequency applications. The inductance value is further increased by the windings on the core which consists of a number of insulated wires. Depending on the number of wire turns, the value of the inductance increases as well. The Q-factor of the inductor is also determined by the number of windings present on the core.

The SRR1210A-1R0Y series has a rated working voltage of 250VAC, making it suitable for use in applications where higher than normal voltage may be encountered. The inductor also features a high inductance value of 18.6mH, a Q-factor of 5 and a saturation current of 2.0 Amps.

Conclusion

The SRR1210A-1R0Y series is a leaded fixed inductor designed for use in applications where a high power-to-volume-ratio, low-loss characteristics and high inductance are required. The inductor is made of a ferrite core material and wire windings, and its inductance value is further increased by the number of wire turns. The SRR1210A-1R0Y also features a rated working voltage of 250VAC, making it ideal for use in applications where higher than normal voltages may be encountered. The high Q-factor and saturation current of this series make it a reliable and efficient choice for use in audio and radio frequency circuit designs.

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