CD30FD822GO3 Capacitors

Series:	CD30
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	8200pF
Tolerance:	±2%
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:	0.791" L x 0.319" W (20.10mm x 8.10mm)
Height - Seated (Max):	0.882" (22.40mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors have their roots in the mid 20th century, when their construction was revolutionised with the introduction of new techniques and materials. The use of a type of capacitor known as the CD30FD822GO3 has become widespread and these types have evolved to become one of the most commonly employed capacitors in many industries. The aim of this article is to discuss the application field and working principle of the CD30FD822GO3 capacitor and to give an overview of its development and scope of use.A capacitor, as the name implies, is a device which stores electrical charge when connected to an electric current. The CD30FD822GO3, also known as a ‘dry type’ capacitor, is a self-contained device which uses two mica plates (one of which is dielectric and the other an electrode), which are sandwiched together with a layer of a polytetrafluoroethylene (PTFE) material in between. This combination of materials has several advantages, such as high insulation resistance, the ability to withstand high temperatures and an overall tiny form factor.The working principle of the CD30FD822GO3 is simple; when a direct electrical current is applied across the capacitor, a voltage level is created on each electrode. This creates a capacitance between the two electrodes, enabling a certain amount of energy to be stored. When the current is removed, the voltage returns to a ground state; however, during this process, a tiny amount of energy is exchanged. The CD30FD822GO3 is generally used for pulse-width modulation circuits, small-signal power supply filtering and noise suppression in communications applications. It also finds application in motor control applications due to its ability to store and discharge electrical energy quickly. As a result, the CD30FD822GO3 is often seen in appliances such as washing machines, air conditioners and electric vehicles. The first type of capacitors to employ mica and PTFE as the dielectric and electrode materials were developed in the 1950s. Initially, they were used for audio equipment, in particular, electromagnetic interference (EMI) suppression. The CD30FD822GO3 was developed in the late 1990s as a standardised capacitor type which replaced other, more expensive types such as tantalum capacitors. This made these types of capacitors much more economical and widely available, leading to their current extensive usage. Since its introduction in the late 1990s, the CD30FD822GO3 capacitor has been used in a wide variety of industries. Its low cost, small form factor and good EMI suppression capabilities have seen its usage become increasingly widespread. They are now commonly seen in automotive applications such as power steering, electric vehicles, and even small drones. They are also used extensively in industrial applications such as water treatment plants, food processing plants and power plants. In conclusion, the CD30FD822GO3 capacitor has evolved from a niche product into a widely used device in many applications. Its small size and combination of mica and PTFE for its dielectric and electrode materials give it several advantages over other types of capacitors, such as good insulation resistance and high temperature stability which make it the capacitor of choice for many electric and power control applications.

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