R76QR31004040J

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Film Capacitors

A film capacitor, also known as a polyester film capacitor and plastic film capacitor, is an electronic component made from polyester film. This type of capacitor is most commonly used in coupling, bypass, DC-block, and automotive applications. The R76QR31004040J is an example of a film capacitor with a specific application field and working principle.

R76QR31004040J

The R76QR31004040J is a polyester film capacitor manufactured by Stackpole Electronic Components, a global leader in the design and manufacture of precision resistors and capacitors. The capacitor is a wrap-&-fill construction design which is small in size and offers excellent isolation, high reliability, and excellent performance. It has a capacitance of 1.0µF and an operating temperature range of -55°C to +125°C, making it suitable for a wide range of applications.

Application Field and Working Principle

The R76QR31004040J is designed for use in high frequency, high reliability, and low voltage applications. It is used in coupling, bypass, DC blocking, and automotive applications. When used in coupling, the capacitor couples the signal from one circuit to another and blocks DC current from passing through, thus preserving the amplitude and frequency of the signal. In bypass applications, the capacitor reduces ripple, noise, and power glitches by providing a low-impedance path to ground for unwanted current. In DC blocking applications, it prevents DC current from passing through the circuit, thus allowing only the AC current to pass.

The capacitor’s operating principle is based on the fact that when a voltage is applied to it, an electric field is created which results in the formation of a dielectric barrier between the metal plates. The dielectric material acts as an insulator, allowing only a specific amount of current to flow. This results in the capacitor’s ability to store and release electrical energy when needed.

Advantages

The R76QR31004040J offers several advantages over other types of capacitors. It is smaller in size compared to other film capacitors, making it ideal for use in space-limited applications. It has excellent isolation and high reliability and performance. It also has a wide operating temperature range of -55°C to +125°C, making it suitable for a variety of applications. Lastly, it is a low-cost option compared to other capacitors.

Conclusion

The R76QR31004040J is a polyester film capacitor manufactured by Stackpole Electronic Components. It is used in coupling, bypass, DC blocking, and automotive applications. It is small in size, offers excellent isolation and reliability, and has a wide operating temperature range. It is a low-cost option compared to other capacitors and is suitable for a wide range of applications.

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