CD42FC683JO3F

Mica and PTFE Capacitors

Capacitors of all shapes and sizes are used in a variety of applications and one of the most commonly encountered types is the mica and PTFE capacitor. The mica capacitor is a type of fixed capacitance made of short mica plates filled with mineral oil, varnish, or wax and the PTFE capacitor is a type of variable capacitance made of sheets of paper covered in PTFE. Both are widely used in electrical and electronic circuits.

The CD42FC683JO3F is an example of a mica and PTFE capacitor. This device is an axial-leaded, insulated-box type, fixed capacitance mica and PTFE capacitor. It has a capacitance range of 3 to 100 picofarads, a voltage rating of 35 volts, and a dissipation factor of 0.05%. The CD42FC683JO3F is suitable for use in high-frequency applications such as amplification circuits, filters, circuit timing, modulation, demodulation, and radio transmission.

The working principle of the CD42FC683JO3F is based on the basic principles of capacitance. In essence, it is like two parallel conductors separated by an insulating material, known as dielectric. When a voltage is applied to one of the conductors, an electric field is set up between the two conductors. This electric field induces an electric charge in the second conductor, creating a capacitance between the two. In the case of the CD42FC683JO3F, the dielectric is PTFE and the conductors are mica plates.

The mica and PTFE capacitor is ideal for use in high-frequency applications due to its low loss and low noise. In addition, the PTFE dielectric provides excellent insulation, so the capacitance is relatively stable over a broad range of frequencies. The dielectric also makes it very resistant to corrosion, while the mica provides increased thermal stability and the ability to withstand high levels of flexing and vibration.

The CD42FC683JO3F is popular for its low cost and wide range of uses, making it an excellent choice for a variety of applications. It can be used for signal processing, signal conditioning, and for various other RF and high-frequency applications. Additionally, it can be used in circuits requiring low loss, low noise, and high accuracy. Overall, the CD42FC683JO3F is an excellent choice for a wide variety of high-frequency applications.