CD42FD223FO3

Series:	CD42
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	0.022µF
Tolerance:	±1%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	1.063" (27.00mm)
Features:	General Purpose
Size / Dimension:	1.421" L x 0.311" W (36.10mm x 7.90mm)
Height - Seated (Max):	0.882" (22.40mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors are two of the most common types of electrical capacitors available. Both mica and PTFE capacitors offer similar performance characteristics in terms of reliability and temperature stability. However, each type has its own advantages and drawbacks, making it important to choose the right one for your particular application. CD42FD223FO3 is a type of mica and PTFE capacitor that is widely used in a variety of electrical applications.

Construction

CD42FD223FO3 capacitors are made up of two dielectric layers, the first being a dielectric mica material and the second being a PTFE. Both layers are sandwiched between two conductors with air between them as the medium. The mica material acts as the dielectric material, providing insulation between the two conductors and preventing current flow between them. The PTFE layer helps to prevent electrical shorts by insulating the current and preventing it from passing to the other side of the capacitor.

Application Field

The primary applications of CD42FD223FO3 capacitors are for use in high-frequency circuit applications. The combination of mica and PTFE provides excellent heat resistance, making them suitable for use in high temperaturess, such as those found in automotive and industrial applications. The capacitors are also capable of high currents, making them suitable for high power applications. CD42FD223FO3 capacitors are most commonly used in power converters, power electronics, power supplies, high frequency switching amplifiers, and high speed analog signal applications.

Working Principle

CD42FD223FO3 capacitors work on the principle of the dielectric breakdown of the mica dielectric material. When a voltage is applied across the capacitor, electrons migrate from one plate to the other, creating an electric field. This electric field, in turn, causes a physical distortion of the mica and induces a counter-electrical field. The strength of the induced electric field is proportional to the applied voltage across the capacitor, up to a certain point where a complete breakdown of the dielectric materials occurs.

Advantages

Mica and PTFE capacitors offer several advantages over other types of capacitors. They are highly reliable, very stable in terms of performance, and provide excellent heat resistance due to their dual layer construction. Additionally, they are capable of operating at high frequencies, and are suitable for use in a variety of electrical applications.

Disadvantages

The main disadvantage of CD42FD223FO3 capacitors is their relatively high cost. Additionally, they are less tolerant to temperature variations and may need to be replaced if exposed to extreme temperatures. They also have a relatively low capacitance value, which limits their use to applications where relatively low capacitance values are required.

Conclusion

CD42FD223FO3 capacitors are a type of mica and PTFE capacitor that is utilized in a variety of electrical applications. The combination of mica and PTFE provides excellent heat resistance and high frequencies operation, making them suitable for use in a variety of high temperature and high power applications. However, they are more expensive than other types of capacitors and have a relatively low capacitance value, which can limit their use in certain applications.

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