B32523Q685J289

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Film capacitors are electronic components that use film as the dielectric medium and are widely used in various electronic circuits with the characteristics of small size, high insulation resistance, strong heat resistance, reliable performance and low price. Among them, the B32523Q685J289 series is widely used in various electronic circuits due to its better performance and better cost performance. So what is its application field and working principle?

The B32523Q685J289 series are widely used in various microelectronic circuits. Among them, it is mostly used in general application circuit, such as switching power supply, motor driver, general inverter, AC/DC adapter, digital circuit, etc. Due to its low price, it is also widely used in various consumer electronics, such as 2D/3D print, mobile phone, digital cameras, etc. As its environmental performance has also been significantly improved, it is also widely used in various outdoor or high temperature environment, such as auto electronics, solar energy equipment, etc.

The working principle of the film capacitor is based on two parallel conductive plate conductors separated by an insulating film, and the contact between the conductive plates is cut off by the insulating film, generating electric field. The performance of the film capacitor depends to a large extent on the type of the insulating film. Depending on the type of material used, there are PP film insulation, PI film insulation, PET film insulation, metal barrier film insulation, blend film insulation, etc. correspondingly. As for the B32523Q685J289 series, it adopts a combination of PP film insulation and metal barrier film, which has the advantages of high temperature resistance, strong airtightness and higher insulation performance.

In addition, it is also necessary to mention the terminology of film capacitors. There are four reference parameters for measuring the performance of film capacitors, which are capacitance (C), rated voltage (UR), leakage current (IR) and insulation resistance (R). The capacitance (C) represents the physical size of the film capacitor, which is usually expressed in μF or pF; Rated voltage (UR) indicates the highest voltage that the capacitor can withstand, which is usually expressed in a unit of V; The leakage current (IR) represents the maximum current of the capacitor under the condition of rated voltage, which is usually expressed in mA; The insulation resistance (R) indicates the amount of electric energy that the capacitor can pass through when the voltage is applied, and it is usually expressed as Mohm·µ. Therefore, when selecting a film capacitor, we need to consider the size of the capacitance, rated voltage, leakage current and insulation resistance mentioned above.

In conclusion, the B32523Q685J289 series capacitor has a wide range of applications in various micro-electronic circuits, such as switching power supply, motor drive, general inverter, AC/DC adapter, digital circuit, consumer electronics, outdoor or high temperature environment, etc. In addition, the performance of the capacitor also depends on the type of material used. The four reference parameters for measuring the performance of capacitors, which are capacitance, rated voltage, leakage current and insulation resistance, are also important when choosing the corresponding capacitors.

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