CD42FA753JO3F

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Mica and PTFE capacitors such as the CD42FA753JO3F are valuable components in electrical systems used in a range of applications. They provide the essential function of providing a precise impedance as required in cathode ray tubes, radio receivers and other special purpose equipment. The capacitor also provides local bypassing to decoupling and can provide a damping effect for transients.

The CD42FA753JO3F capacitor is a two-layer ceramic dielectric Mica and PTFE capacitor. It uses materials that provide excellent dielectric properties and low dissipation factor, making it suitable for high frequency applications. It includes two plates which are alternately laminated with PTFE and Mica, which form the sandwich-like dielectric layer. The dielectric exhibits high stability and high breakdown voltage making it suitable for applications where isolation is required, such as power supplies.

The capacitor is constructed with a two-layer dielectric of Mica and PTFE. The metal electrodes are made of silver-palladium alloy and are connected to the leads. The leads are then encapsulated in silicone rubber insulation. The capacitor is tucked into a plastic enclosure with terminal caps and the leads soldered to the terminals. The enclosure is marked with the type number and other necessary information.

Application Field of CD42FA753JO3F

Mica and PTFE capacitors such as the CD42FA753JO3F are ideal for use in applications where insulation and isolation are needed. They are highly suitable for use in power supplies, DC-DC converters, DC-AC inverters, and radio frequency (RF) circuits due to their excellent capacitance stability over a wide range of temperatures and frequencies. They can also be used in audio crossover networks, digital delay lines, signal filtering, and as feed-through capacitors for automotive and industrial applications. They are also suitable for use in high voltage and capacitance-demanding circuits where high reliability is required.

Working Principle of CD42FA753JO3F

The CD42FA753JO3F capacitor works by storing electrical energy in a dielectric material between two plates. The two plates are usually made of metal or some other conductive material and act as electrodes. The dielectric material between these electrodes can be either Mica or PTFE. Mica is an insulating material which is stable and has excellent electrical properties. PTFE is also an insulating material which is highly flexible and durable. When a voltage is applied between the two electrodes, electric charges will accumulate on the plates, causing a flow of charge between the plates and creating an electric field.

The electric field between the two plates is proportional to the applied voltage and will cause charges to move between the two plates of the capacitor. This movement of charges is what is known as capacitance. As such, the capacitor can be used as an energy storing device, and can be used to smooth out or filter pulses of direct current (DC) or alternating current (AC). The capacitance of such capacitors can also be varied by adjusting the amount of mica and PTFE used, and thus can be used for tuning certain circuits to specific frequencies.

The CD42FA753JO3F capacitor is a two-layer ceramic dielectric Mica and PTFE capacitor. This capacitor is highly reliable, and provides excellent insulation, stability, and power stability, making it an ideal choice for many high-frequency applications. It can provide local bypassing to decoupling and can provide a damping effect for transients, making it suitable for a variety of applications where insulation and isolation are paramount.

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