R75UI12204040J

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Film capacitors are widely used in many electrical and electronic devices, both in consumer and industrial applications. The R75UI12204040J film capacitor is a type of film capacitor for which the desired specifications can be easily fulfilled. Film capacitors have several advantages over ceramic and oil-filled capacitors, including a higher dielectric constant, long-term stability, and lower temperature coefficient. Additionally, film capacitors are ideal for use in high-frequency circuits, as they possess a low inductance, which helps improve the frequency response of the circuit. Moreover, film capacitors offer superior signal bandwidth, which is especially important in applications such as control and signal conditioning circuits.

The R75UI12204040J film capacitor is a surface-mount type capacitor made of a polymer film, with a rectangular bottom. It has a maximum capacitance of 120 pF, and a working voltage of 40 V. It has an insulation resistance of 10 GΩ, and can operate between -40°C and 125°C. It has a temperature coefficient of 0.05%/K. Its capacitance changes by no more than ±5% from 20Hz to 1000Hz, and its dissipation factor is below 0.03% (1kHz). Its ESR is below 0.008Ω (1kHz).

The working principle of the R75UI12204040J film capacitor is simple. When the two terminals are connected to a DC voltage, electric charges are stored in the capacitor, resulting in an electric field being created, which in turn produces a potential difference across its terminals. The amount of charge stored and potential difference will depend on the capacitance, which will in turn depend on the dielectric material and the area of the plates. The dielectric constant of this capacitor is 5.3.

The R75UI12204040J film capacitor is commonly used in various AACS and ECG equipment, satellite communication and navigation systems, cell phone antenna booster systems, and electrical control circuits. It is ideal for use in high-frequency operations, and is mostly used for signal filtering, signal processing, and power conversion. Additionally, it is suitable for high-frequency and high-temperature operations, and can be easily integrated into existing circuits.

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