CD30FD203JO3

Series:	CD30
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	0.02µF
Tolerance:	±5%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.437" (11.10mm)
Features:	General Purpose
Size / Dimension:	0.831" L x 0.449" W (21.10mm x 11.40mm)
Height - Seated (Max):	0.921" (23.40mm)

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Mica and PTFE Capacitors are components in the electrical industry that provide space for electrical current flow and capacitance. Voltage variables, likewise temperature, can affect the performance of these materials; for this reason, they are the most reliable for volatile and high temperature applications. The CD30FD203JO3 capacitor is a microwave suspended type capacitor used in RF applications, with some of the highest performances among microwave capacitors. This article will discuss in detail the application field and working principle of the CD30FD203JO3 capacitor.Application FieldThe CD30FD203JO3 capacitor is ideal for high frequency applications such as RF (Radio Frequency) gear and other wireless equipment. Its ability to maintain tight capacitance tolerances makes it suitable for antenna coupling and high frequency filtering. It is also suitable for high frequency power supply circuits, power amplifiers, frequency mixers, and IF circcuits (Intermediate Frequency Circuits) used in aerospace, avionics and telecommunications sectors.Working PrincipleThe CD30FD203JO3 type of capacitor is made of mica and polytetrafluoroethylene (PTFE) dielectric. This combination of materials grants the capacitor some of the highest dielectric constants (K) available on the market. The dielectric constant (K) determines the capacity or energy storage capacity of the capacitor. This combination also makes the capacitor suitable for extended temperature range (-55°C to +85°C) and high impedance levels at high frequencies.The CD30FD203JO3 is of the suspended type, meaning that there are no external lead frames to the components, allowing the device to reach higher capacitance values and reach a higher level of stability both over voltage and temperature ranges. The usual frequency range of this type of capacitor is between 2.5 and 3.5 GHz, making it ideal for high frequency applications.The construction of the CD30FD203JO3 capacitor is as follows. The core of the capacitor is made up of two plates of mica, separated by PTFE. This combination creates an electric field between the plates, allowing for electricity to pass through. This electric field, along with the mica plates creates a voltage difference between the two plates, allowing for capacitance to be achieved.The PTFE dielectric also ensures a uniform electric field and provides excellent high frequency performance. The PTFE layer also makes the capacitor suitable for extremely high pulse currents. The characteristic features of the CD30FD203JO3 include high capacitance values, low voltage coefficients, and low thermal coefficients.In addition, it features a low dissipation factor, meaning that the capacitor is able to prevent interference or distortion to other components. Another significant feature is its low leakage current, allowing the capacitor to provide high resistance to electrical noise. Furthermore, its non-polar properties are ideal for circuits with high voltage requirements.ConclusionThe CD30FD203JO3 capacitor is a mica and PTFE-dielectric capacitor with some of the highest dielectric constants on the market. It is ideal for high frequency applications such as RF (Radio Frequency) gear and other wireless equipment. It is suitable for high frequency power supply circuits, power amplifiers, frequency mixers, and IF circcuits (Intermediate Frequency Circuits) used in aerospace, avionics and telecommunications sectors. Its construction is as follows: two plates of mica separated by PTFE with an electric field between them and a voltage difference between the two plates, allowing for capacitance to be achieved. Its features include high capacitance values, low voltage coefficients, and low thermal coefficients. It also features a low dissipation factor, low leakage current, and non-polar properties.

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