4302-005

Series:	4302
Packaging:	Bulk
Part Status:	Active
Capacitance:	10000pF
Tolerance:	--
Voltage - Rated:	50V
Current:	10A
DC Resistance (DCR) (Max):	--
Operating Temperature:	-55°C ~ 125°C
Insertion Loss:	35dB @ 100MHz
Temperature Coefficient:	--
Ratings:	--
Package / Case:	Axial
Size / Dimension:	0.156" Dia x 0.110" L (3.96mm x 2.79mm)
Height (Max):	--
Thread Size:	--

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Feed Through CapacitorsFeed through capacitors are components in electrical and electronic circuits that allow an alternative current to pass between separate systems or components without resulting in signal distortion. The capacitor functions as an impedance shunt for high frequency signals, allowing them to pass and flattening out the transmission\'s frequency response curve. The exact implementation and design of a feed-through capacitor can vary based on the specific requirements of the system it is used in, but the overall working principle remains the same.4302-005 Application Field and Working PrincipleThe 4302-005 is a feed through capacitor specifically designed to manage EMI/RFI interference. It is an electrical/electronic component consisting of two separator plates that are plastic insulated and covered by an air-filled teflon sleeve. The two plates are connected by a flexible metal core that connects to the first plate at one end and the second at the other. The core is also coated with conductive materials such as silver and dielectric film to provide effective insulation. When a current is passed through the device, the electrical field created by the plates disturbs the air between them, allowing the current to flow uniformly between the two separated system stages in a balanced manner, reducing high frequency interference. The 4302-005 is usually found in high-end telecommunications equipment such as radio and TV receivers and in telephones and computers.To understand the 4302-005\'s working principle more clearly, consider a basic circuit example. Here, the capacitor will be connected across two stages of the circuit, each consisting of several resistors and capacitors. Now suppose a signal voltage is applied onto one stage, and the capacitor will allow the signal between stages while suppressing any high-frequency components. This happens due to the physical displacement of the capacitor\'s dielectric when the voltage is applied. This displacement causes the electric field between the two plates of the capacitor to increase, which causes the current to flow between the two stages. The capacitor thus reduces the signal distortion caused by the displacement and interference of the high-frequency signal. The 4302-005 works in the same way. The electric fields created by the two plates disturb the air between them, allowing the signal to flow across the stages in a balanced manner, reducing the distortion caused by high frequency interference. The dielectric film and the air pocket make sure the electric displacement current flows in a straight line, thus reducing the distortion even further. Furthermore, since the two plates are symmetrical, the current flow is balanced, resulting in a uniform signal between the two stages.The 4302-005 is also capable of providing EMI shielding, as the air-filled teflon sleeves surrounding the two plates provide an effective barrier against incoming electromagnetic noise from the surroundings. The 4302-005 is thus ideal for applications where signal integrity is paramount, such as in radio receivers and other communications equipment.In conclusion, the 4302-005 is an effective feed through capacitor for managing EMI/RFI interference. Its symmetrical design makes it capable of providing balanced current flow between stages, and its air-filled teflon sleeves also provide effective EMI shielding. The 4302-005 thus offers a reliable solution for ensuring signal integrity in high-end communications equipment.

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