CD19FC682FO3

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: CD19FC682FO3 application field and working principle

Mica and PTFE capacitors are used in various applications as a power supply, signal conditioning and RF storage requirements and used in a variety of electronic devices.

The CD19FC682FO3 capacitor is a capacitor that belongs to this type and has a wide range of electrical characteristics and applications. It is manufactured through a two-step process; the first step is obtaining mica particles which layer through mesh electrodes. These electrodes are made of plated metal surfaces, and have inner and outer contacts. The mica particles are then coated with PTFE, and the second step involves providing a negative pressure to the deposited particles to form the capsule casing.

The main application of CD19FC682FO3 capacitors is in the high frequency range and it is recommended for use in RF and low and medium frequency applications. They are also used in storage capacitors, switching applications, ferroelectric applications, printing applications and much more. These capacitors have high voltage, low inductance, high reliability and good RF performance. The main advantage of these capacitors is their low parasitic losses, which leads to low signal reflection, and high linearity.

The working principle of these capacitors mainly relies on the fact that PTFE, which serves as the dielectric material, is capable of storing electrical energy. The voltage is applied across the metal electrode, and due to the electric field created between the two electrodes, the electrons move from one electrode to the other. The electrons are stored in the PTFE material until the voltage drops and the electrons return to the electrodes.

The capacitance value of the CD19FC682FO3 capacitor depends on the cross-sectional area of the metal electrodes and the dielectric material between them. The value of the capacitance also depends on the frequency of the voltage or current, as well as the temperature. The capacitance of the capacitor is also affected by the technology that is used to produce it. The technology used to produce these capacitors reduces the contact of the electrode with the dielectric, which in turn improves the capacitance of the capacitor.

The maximum capacitance of the CD19FC682FO3 capacitor is rated as 68200 picofarads with a maximum operating voltage of 300V. The maximum working temperature range of the capacitor is between -55°C and 125°C. The temperature coefficient of the capacitance is 63.0ppm/°C. Moreover, the capacitor has a low dielectric absorption (less than 3%), and low electrical leakage (less than 0.2mA).

In conclusion, the CD19FC682FO3 capacitor is a high-reliability component used in different types of electronic applications. It offers low leakage and absorption rates, as well as high linearity. Other features include good high-frequency performance, low inductance, and high voltage operation. The working principle of the capacitor mainly depends on the PTFE dielectric material, and its capacitance depends on the technology used to produce it.

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