425J400VDC P25 4.2μF | 4200nF CBB capacitor is a type of capacitor commonly used in electronic circuits for filtering, bypassing, and coupling applications. This capacitor is rated for a maximum voltage of 400VDC and has a capacitance value of 4.2μF or 4200nF.

The "425J400VDC" designation indicates that this capacitor is a polypropylene film capacitor with a voltage rating of 400VDC. Polypropylene film capacitors are known for their high reliability, low dielectric losses, and excellent self-healing properties. This makes them suitable for use in applications where high performance and long-term stability are required.

The "P25" marking on the capacitor indicates the temperature coefficient of the capacitor. In this case, the P25 designation means that the temperature coefficient of the capacitor is ±25ppm/°C. This means that the capacitance value of the capacitor will vary by ±25 parts per million for every degree Celsius change in temperature.

The capacitance value of the capacitor is specified as 4.2μF or 4200nF. This value represents the amount of charge the capacitor can store and is an important parameter for determining the frequency response and filtering characteristics of the capacitor in a circuit.

Overall, the 425J400VDC P25 4.2μF | 4200nF CBB capacitor is a reliable and high-performance component that is suitable for a wide range of electronic applications. Its combination of high voltage rating, low dielectric losses, and excellent temperature stability make it a popular choice for designers looking for a capacitor that can deliver consistent performance in demanding environments.