2500-74F

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Fixed inductors, or choke coils as they are also known, consists of a coil of insulated wire wound around a core made from materials such as iron with very high magnetic permeability, or air. This coil, when an AC signal is applied to its terminals, produces a magnetic field in the core which then induces an electromotive force, or EMF, in the same winding. The amount of EMF created is dependent on the type, size and frequency of the input signal along with the number of turns, cross-sectional area and material makeup of the core.

The 2500-74F is a type of fixed inductor specifically designed for use in low pass filters, which are devices which remove unwanted signals with frequencies higher than a given cut-off frequency. The device consists of a cylindrical core made from ferrite material wound with a few turns of copper wire. The copper wire is coated with an insulating enamel which reduces any interference from the outside environment and also prevents shorting of the inductor.

The 2500-74F has a rated inductance of 74 mH and rated current of 34 mA at an operating frequency of 50 kHz. It can be connected directly to the filter without the need of any additional components such as capacitors. The device has a minimum insulation resistance of 100 MΩ and maximum DC resistance of 0.50 Ω. The maximum operating temperature is +105°C.

When the 2500-74F is connected directly to a low-pass filter, signals with frequencies higher than the cut-off frequency will be greatly attenuated, while signals with frequencies below the cut-off frequency will be allowed to pass. The amount of attenuation is determined by the parameters of the filter and the wire inductance of the inductor. The device is designed to operate in the 30kHz to 500kHz frequency range with an operating temperature range of -40 to +105°C.

The 2500-74F is ideal for applications where a low-cost, low-power filter solution is desired. This could include home audio equipment and cell phone signal filters. Since the device has an extremely low DC resistance, it can be used in low-power radio-frequency (RF) circuits as well.

In conclusion, the 2500-74F is a fixed inductor specifically designed for use in low-pass filter applications. It has a rated inductance of 74 mH and is capable of operating in the 30kHz to 500kHz frequency range with a maximum operating temperature of +105°C. Its low DC resistance makes it suitable for use in low-power RF circuits as well. The2500-74F is well-suited for applications requiring low-cost and low-power filter solutions.

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