CMR03E820GOYR

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Mica and PTFE Capacitors

The CMR03E820GOYR is a type of Mica and PTFE Capacitor that is commonly used in power management, telecommunications, and portable electronics applications. This type of capacitor is known for its low parasitics, attenuation of EMI, stability of capacitance, and relative low cost.

Applications

The CMR03E820GOYR has a variety of applications, especially in applications requiring low-to-medium power. It is commonly used in battery-operated devices, such as cell phones and PDAs, as well as in medical instruments and aerospace devices. The device is also used in electronic surge suppressors, DC-DC converters, RF filters, and EMI/RFI filters.

Working Principle

The CMR03E820GOYR is a Mica and PTFE Capacitor, which are capacitors that use a mica dielectric and a PTFE (polytetrafluoroethylene) coating. The mica dielectric provides high capacitance and temperature stability, while the PTFE coating provides thermal performance and safety. The high surface area of the dielectric provides superior leakage and low parasitic capacitance. The capacitor is also relatively easy to mount onto a PCB.

As with all capacitors, the CMR03E820GOYR stores electrical energy in the form of an electrostatic field between two conductive plates. When an alternating electrical current passes through the capacitor, its electrostatic field charges and discharges according to the AC cycle, causing the capacitor to oscillate. This oscillation, in turn, increases the amount of capacitance that a capacitor can offer, thus allowing it to store more energy.

Advantages

The CMR03E820GOYR offers several advantages over other types of capacitors. There is a low parasitic capacitance, high temperature stability, RoHS compliance, and reliability. The capacitor is also relatively easy to mount and is ideal for applications in which board space is limited. Additionally, the capacitor\'s PTFE coating provides mechanical and thermal protection in higher temperature environments.

Conclusion

The CMR03E820GOYR is a type of Mica and PTFE Capacitor that is commonly used in power management, telecommunications, and portable electronics applications. This device is known for its low parasitics, attenuation of EMI, stability of capacitance, and low cost. The CMR03E820GOYR offers several advantages over other types of capacitors, including low parasitic capacitance, high temperature stability, RoHS compliance, and reliability.

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