54-790-021

Operating Temperature:	-55°C ~ 125°C
Thread Size:	4-40
Height (Max):	--
Size / Dimension:	0.156" Dia x 0.340" L (3.97mm x 8.64mm)
Package / Case:	Axial, Bushing
Mounting Type:	Chassis Mount
Ratings:	--
Temperature Coefficient:	--
Insertion Loss:	38dB @ 100MHz
Series:	--
DC Resistance (DCR) (Max):	10 mOhm
Current:	10A
Voltage - Rated:	300V
Tolerance:	--
Capacitance:	10000pF
Part Status:	Discontinued at Digi-Key
Packaging:	Bulk

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Feed Through Capacitors

Feed through capacitors, such as the 54-790-021, are devices which allow electrical signals to pass through them. They are most often used in applications where signals must pass through a medium, such as an electrical filter, without any distortion.Feed through capacitors work by allowing a signal to pass through the capacitor, and then be blocked or attenuated by an external resistor. This gives the signal a short, low-pass filtered effect, which helps reduce unwanted frequencies and noise in the signal.The 54-790-021 is a typical feed through capacitor and has a wide range of applications. It is most commonly used in radio communications, power supplies, and audio/video applications. It is also used in medical equipment to reduce radiation exposure from medical imaging equipment.The working principle of feed through capacitors is relatively simple. As the signal passes through the capacitor, the charge on the plates of the capacitor is transferred to the external resistor. This then slows the propagation speed of the signal and lowers its frequency. This helps to reduce noise and unwanted frequency components in the signal.The 54-790-021 has a maximum voltage rating of 250 volts AC, and is designed to provide excellent signal filtering. It is also designed to be rugged and reliable, and has minimal insertion loss.In conclusion, feed through capacitors such as the 54-790-021 are useful devices which allow signals to pass through them without significant distortion. They are commonly used in radio and power supply applications, as well as medical equipment. They provide excellent signal filtering, and are designed to be reliable and long lasting.

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