CD5FC121GO3

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Mica and PTFE Capacitors play an important role in a wide variety of applications because of their proven reliability, excellent dielectric characteristics, high capacitance, and low thermal aging. A primary example of this technology is the CD5FC121GO3, a commercial grade, lithographically printed thin film capacitor. This capacitor is a good example of a reliable, high-performance capacitor that provides designers a greater degree of flexibility.

The CD5FC121GO3 consists of a polytetrafluoroethylene (PTFE) dielectric with multilayer mica insulation. The PTFE dielectric has superior dielectric characteristics which provide high capacitance per unit volume. The multilayer mica insulation is very durable and increases the capacitor’s ability to handle high temperatures and voltages. The CD5FC121GO3 also features a low insertion loss across a broad frequency range and excellent inter-winding isolation.

Because of its unique characteristics the CD5FC121GO3 is used in a variety of applications. It is often used in power supplies, avionics, computed tomography (CT) and magnetic resonance imaging (MRI) equipment, motor controllers, and other industrial applications. This technology provides reliable, stable performance in a variety of conditions and the design of the capacitor allows its use in high density designs and with tight tolerances for precise control in demanding applications.

The CD5FC121GO3 is designed to operate as a switched-capacitor, in which the capacitor alternately charges and discharges. During the charging phase, a power source is connected to the capacitor, causing the voltage across the capacitor to increase. As the voltage reaches a certain level, the power source is switched off and current flow is reversed so that the capacitor begins to discharge. As the capacitor discharges, the voltage across it begins to drop until it reaches a predetermined level, at which time the power source is switched back on, thus restarting the cycle.

The CD5FC121GO3 has a low effective series resistance (ESR) and is tolerant of high values of inrush current. This makes it suitable for a variety of applications, including power-conditioning, filtering, noise suppression, and even controlling the speed of windscreen wipers. Additionally, the low ESR allows the capacitor to perform better in high-frequency and high-temperature environments, providing greater reliability.

The CD5FC121GO3 represents an example of how mica and PTFE capacitors are used in a variety of applications. By combining the excellent dielectric properties of PTFE and the resilient insulation of mica, high-performance capacitors can be produced, providing designers with the flexibility to create reliable solutions for a variety of applications. The CD5FC121GO3 is just one of many examples of the capabilities of mica and PTFE capacitors.

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