Series:	CD10
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390pF
Tolerance:	±1%
Voltage - Rated:	100V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.142" (3.60mm)
Features:	General Purpose
Size / Dimension:	0.390" L x 0.220" W (9.90mm x 5.60mm)
Height - Seated (Max):	0.382" (9.70mm)

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Mica and PTFE Capacitors

CD10FA391FO3 Application Field and Working Principle

Mica and PTFE capacitors, represented by the CD10FA391FO3 model, are widely used in electrical and electronic equipment due to their high power, low impedance, and excellent frequency response capabilities. With the application of high-quality mica and PTFE dielectrics, they provide low-loss performance, and are highly reliable and durable. The CD10FA391FO3 model is a type of ultra-stable, high-precision mica and PTFE capacitor that has been designed for military and aerospace use, as well as for medical applications. It has low ESR, low ESL, and high capacitance stability over a wide operating temperature range of -55°C to +125°C. This capacitor also has fast charge/discharge characteristics, allowing it to maintain high accuracy over time. The construction of the CD10FA391FO3 capacitor is based on mica dielectric reinforced with PTFE film. This combination of materials provides the device with superior insulation, improved capacitance stability and excellent low-frequency performance. Its appearance is similar to a paper-electrolytic capacitor, and it is packaged in a two-pin metal housing, with leads connected to two opposite conducting electrodes. The design of the housing makes for easy installation and ensures reliable mechanical connection.The working principle of the CD10FA391FO3 capacitor is based on Faraday\'s Law. When a voltage is applied across the two electrodes, electric charges accumulate in different proportions at each electrode. This creates an electrostatic flux between the two (positive and negative) plates, and causes the capacitance to increase. The value of the capacitance is determined by the dielectric constant of the material used to separate the two electrodes, the distance between the electrodes, and the area of each electrode in contact with the dielectric material. In the case of the CD10FA391FO3, the capacitance values range from 0.1 pF to 47,000 pF. Mica and PTFE capacitors are used in a range of applications, from electronic circuits and antennas, to automotive audio systems and medical equipment. The CD10FA391FO3 capacitor is ideal for many electronic applications requiring precision and stability, such as filters, frequency synthesizers, and precision timing circuits. Additionally, its low ESR and low ESL make it suitable for use in audio systems, providing improved audio quality. The combination of reliable performance and superior capacitance stability make the CD10FA391FO3 mica and PTFE capacitor an attractive option for engineers designing electronic systems requiring high accuracy. Its wide operating temperature range and fast charging capabilities make it a reliable and long-lasting solution for many demanding applications.

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