TYS30123R3M-10

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Fixed inductors, also known as chokes, are fundamental building blocks used in many circuit designs. From use in smoothing circuits to filtering circuit, fixed inductors have a wide range of applications.

The TYS30123R3M-10 is a fixed inductor with an inductance of 10uH. It has rated current of 1.8A, a saturation current of 3.41A, and a dc resistance of 0.78Ω. The device is made from a cobalt-iron-nickel magnetic alloy and has ferrite core material. It operates between 125° and 130°C.

Application Field

The TYS30123R3M-10 inductor is used in many types of applications and has both commercial and military applications. Its most common applications are in buck converters, synchronous rectification, and phase-shifted full-bridge (PSFB) power supplies. It is also used in EMI/RFI noise filtering circuits, and SMPS for computers or other digital signal processing equipment. Additionally, the inductor is used in power amplifiers, filters, resonators, and active filters. Applications that require a high current rating, such as power amplifiers, often require several of these inductors in series or parallel.

Working Principle

Fixed inductors work on the principle of electromagnetic induction. When current flows through a coil of wire, or in the case of the TYS30123R3M-10, through a cobalt-iron-nickel magnetic alloy, a magnetic field is created around the coil. The magnetic field around the coil will cause the current to “induce” an EMF, or voltage, in the coil’s windings. This induced EMF will oppose the EMF being applied to the coil by the source. With a high enough current, a saturation current, the induced EMF will be equal to the applied EMF and the current will be limited to the saturation current.

The value of the saturation current is determined by the magnetic material used in the inductor. As the magnetic field increases, the saturation current also increases. The magnetic field created by the TYS30123R3M-10 can reach up to 3.41A and with a 10uH inductance, is ideal for high current applications. Additionally, the ferrite core material enhances the magnetic field.

Fixed inductors are typically used in filtering circuits because they can block out or reduce high frequency signals. This is due to the inductance, which prevents high frequency signals from passing through the inductor. The TYS30123R3M-10 is also suitable for use in buck converters and synchronous rectification power supplies. In buck converters, the inductance acts as an energy storage device and helps regulate the output voltage. In synchronous rectification, the inductor prevents current from flowing through the switch element during the OFF state, preventing power loss.

Conclusion

The TYS30123R3M-10 is a fixed inductor suitable for a variety of applications. Its 10uH inductance, rated current of 1.8A, saturation current of 3.41A, and low dc resistance makes it ideal for high current applications such as buck converters, synchronous rectification, and power amplifiers. Its ferrite core material allows for better magnetic field saturation and its cobalt-iron-nickel magnetic alloy coils are excellent at generating an electromagnetic field.

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