CD19FC682FO3F

Series:	CD19
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	6800pF
Tolerance:	±1%
Voltage - Rated:	300V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.343" (8.70mm)
Features:	General Purpose
Size / Dimension:	0.689" L x 0.331" W (17.50mm x 8.40mm)
Height - Seated (Max):	0.571" (14.50mm)

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Mica and PTFE Capacitors: CD19FC682FO3F Application Field and Working Principle

Mica and Polytetrafluoroethylene (PTFE) capacitors comprise a class of capacitors which use mica as the dielectric and PTFE as the dielectric. In this class, the CD19FC682FO3F is a type of radio-frequency capacitor, which has a wide range of applications, such as in the automotive, military, commercial, and industrial sectors. It is also used for basic high-frequency circuits, such as RF filters, amplifiers, oscillators, and transmission lines. This article aims to provide an overview of the working principle, the application fields, and the advantages and disadvantages of the CD19FC682FO3F.

Working Principle

Mica and PTFE capacitors are constructed using a combination of mica and PTFE layers. This combination provides a high electrical breakdown voltage and low dielectric losses. The capacitance and other electrical characteristics are determined by the size and thickness of the layers, the type of the dielectric materials used, and the electrode type and electrodes’ connection. The metallized electrodes are constructed from copper, silver, aluminum or similar metals. These electrodes increase the conductivity in the capacitors’ dielectric layers, providing a more stable capacitance to the device.

Application Fields

The CD19FC682FO3F radio frequency capacitor has wide range of applications. It is used in RF devices and circuits, such as RF filters, amplifiers, oscillators, receiving antennas, and transmission lines. Additionally, it has many applications in the automotive, military, commercial, and industrial sectors, such as in high-frequency radios, telecom applications, antennas, and microwave ovens.

Advantages and Disadvantages

The CD19FC682FO3F provides several advantages due to its mica and PTFE construction. It offers high electrical breakdown voltage and low dielectric losses, as well as a stable capacitance. Due to its thin layers, it is also relatively lightweight and resistant to environmental changes such as humidity, temperature fluctuations, and shock. However, there are some drawbacks associated with the CD19FC682FO3F capacitor. The dielectric layers, being thin and soft, can be fragile and prone to damages. Additionally, the electrodes may oxidize over time, reducing the device’s conductivity and reliability.

Conclusion

Mica and PTFE capacitors are a class of capacitors which use mica and PTFE as the dielectric and electrodes, respectively. In this class, the CD19FC682FO3F is a type of radio-frequency capacitor, which has a wide range of applications in the automotive, military, commercial, and industrial sectors. Its main advantages are its high electrical breakdown voltage and low dielectric losses, as well as its stable capacitance. However, it is also more prone to damages and oxidation.

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