PSM4-471P-02T2

Series:	PSM
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Capacitance:	470pF
Tolerance:	0%, +100%
Voltage - Rated:	200V
Current:	2A
DC Resistance (DCR) (Max):	0.5 mOhm
Operating Temperature:	-55°C ~ 125°C
Insertion Loss:	--
Temperature Coefficient:	--
Ratings:	--
Package / Case:	3-PSM
Size / Dimension:	0.315" L x 0.118" W (8.00mm x 3.00mm)
Height (Max):	0.118" (3.00mm)
Thread Size:	--

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.Feed Through CapacitorsFeed through capacitors are a type of electrical component used to provide frequency-dependent signal filtering, energy transfer, and capacitive signal isolation. They are most commonly used in power electronics and communications devices such as radio frequency (RF) antennas and amplifiers. Due to their small size and versatility, they are also a popular choice for custom circuit boards and consumer electronics.The PSM4-471P-02T2 is a feed through capacitor designed for a wide variety of applications. This capacitor features radial lead soldering, a polycarbonate insulation, and a rated temperature range of -55°C to +125°C. Its low profile and reliable construction makes it an ideal choice for commercial and residential applications.The PSM4-471P-02T2 is typically used in communications devices such as radios, televisions, and satellite systems. It is also used in loudspeakers and amplifiers as a frequency channel filter, as well as in custom circuit boards for power electronics applications. Additionally, it is ideal for suppressing interference and providing capacitive insulation in DC power supplies.The main purpose of feed through capacitors is to provide interference suppression. They do this by providing capacitive impedance between two points in a circuit. This capacitive impedance functions as a filter, blocking out higher frequencies while allowing lower frequencies to pass through. By doing this, the feed through capacitor reduces interference from outside sources and improves signal fidelity.The principle of operation for the PSM4-471P-02T2 feed through capacitor is simple. When the two pins of the capacitor are connected to a circuit, an electrical charge will pass from one pin to the other. The internal layers of the capacitor form a medium in between these pins, called the dielectric. This dielectric has a certain capacitance, which determines the capacitor’s ability to store energy. When an AC voltage is applied to the pins, this capacitance will cause some of the energy to be stored on the dielectric, while the rest will pass through to the other pin. As the frequency of the voltage on the pins increases, more energy will be stored on the dielectric and less is passed through. This is what causes the capacitor to act as a filter. By reducing interference, the capacitor helps to improve the signal quality in the circuit. Additionally, the capacitor can provide a degree of galvanic isolation, keeping signals from different parts of the circuit isolated.Feed through capacitors are invaluable components in the design of communications and entertainment systems. The PSM4-471P-02T2 is a particularly versatile and reliable option for both industrial and consumer applications. Its simple design means that it is relatively easy to integrate into a circuit, and its filtering capabilities make it an ideal choice for suppressing interference. Whether used in RF antennas, consumer electronics, or power electronics, feed through capacitors such as the PSM4-471P-02T2 provide a reliable and effective means of improving signal fidelity and galvanic protection.

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