PTKM75-894

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Fixed Inductors

Inductor, also known as coil, is an important passive electronic component which is made up of insulated wire wound around a core material for multiple turns. In terms of its common characteristics, inductors can store energy in the form of magnetic field and oppose AC signals, so they are able to filter out their two ends of electric signals difference, namely get the signal effect of resistance and frequency transformation. Fixed inductors are further divided into many kinds of inductors regarding different specifications, and PTKM75-894 application field and working principle is one of them.

Application Fields of PTKM75-894

PTKM75-894 inductors are suitable for a wide range of applications such as switch mode power supplies, computer motherboards, remote control devices, Internet routers, television sets, monoblock amplifiers, etc. Specifically, they are compatible with the schematic of PSU, amplifier, peak meter, band-pass filter and so on. Besides, they support a wide range of frequencies from the range of 450MHz to 1GHz with power temperatures from -40C to 105C. In addition, PTKM75-894 inductors can also be used in projects that require signal transmission, conversion or impedance transformation.

Working Principle

Working principle of fixed inductors, especially PTKM75-894, relies on electromagnetic induction. PTKM75-894 inductors feature a ferromagnetic core of high permeability and a round wire wrapped around the core. The core and the coil form a complete loop, namely the inductor. When electric current passes through the inductor, the magnetic field will be generated in the current-carrying wire loop. The inductance is determined by the wire’s size, material and winding specification. When the current-carrying wire forms a characteristic impedance at the frequency of oscillation, the impedance of the current passing through the inductor varies according to the frequency, thus generating a larger impedance at a lower frequency.

Conclusion

In conclusion, PTKM75-894 fixed inductors are designed for different application purposes such as PSU, amplifier, peak meter, band-pass filter, etc. with a frequency range from 450MHz to 1GHz and temperature ranged from -40C to 105C. Their working principle is based on electromagnetic induction, and the magnetic field generated by a current-carrying wire loop determines the inductance of the inductor. Therefore, PTKM75-894 fixed inductors are capable of high precision signal transmission, conversion and impedance change when applied in projects.

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