CD4FD111GO3

Series:	CD4
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	110pF
Tolerance:	±2%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.098" (2.50mm)
Features:	RF, High Frequency
Size / Dimension:	0.291" L x 0.110" W (7.40mm x 2.80mm)
Height - Seated (Max):	0.240" (6.10mm)

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Mica and PTFE CapacitorsMica and PTFE capacitors are usually used for radio frequency (RF) applications. The dielectric material between the two metal plates is usually a special mica or a polymer film such as polytetrafluoroethylene (PTFE). CD4FD111GO3 is one such type of capacitor, which combines the properties of mica and PTFE capacitors and is often used in RF circuit applications. The CD4FD111GO3 capacitor is a “feedthrough” capacitor. It consists of two layers of dielectric material: a thin film of mica and a thicker film of PTFE. This combination increases the effective capacitance, which is very useful in RF circuits that require a high degree of frequency selectivity or filtering. The mica/PTFE construction gives the capacitor a low inductance and low self-resonant frequency, making it ideal for high frequency applications.The CD4FD111GO3 capacitor is made up of two metal plates, each separated by a mica and PTFE dielectric. The two metal plates are electrically connected by a center terminal. The mica dielectric is quite thin and is the primary capacitance element of the capacitor. The PTFE dielectric acts as a secondary capacitance element, increasing the effective capacitance. The effective capacitance of the CD4FD111GO3 capacitor is largely determined by the overlapping area between the two metal plates. The amount of overlap determines the amount of charge that can be stored between the plates. The mica/PTFE combination reduces the electric field, which increases the total capacitance of the capacitor. The CD4FD111GO3 capacitor is typically used in radio frequency applications. It can be used as a filter, to remove unwanted frequencies or to block RF signal transmission. It is often used for impedance matching, as well as in RF amplifiers, voltage current dividers, filters, oscillators, power modules and RF power supplies. The capacitor is also used as a impedance transformer in high frequency oscillators, filters and attenuators. Its low self-resonant frequency makes it well-suited for RF attenuation, where steep-cut frequency responses are required. The capacitor is also widely used in antenna systems, where it is used to reduce standing waves by balancing the impedance of the antenna system. The CD4FD111GO3 capacitor is designed to offer reliable performance and long service life in even the most demanding of RF applications. Its high-grade construction ensures good repeatability and consistency, and it is resistant to corrosion and temperature changes. In conclusion, the CD4FD111GO3 capacitor is a feedthrough capacitor and consists of two metal plates separated by a combination of mica and PTFE dielectrics. Its unique construction provides a high effective capacitance, allowing it to be used in a wide variety of radio frequency applications. It is a reliable capacitor, offering good consistency and resistance to corrosion and temperature change.

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