9900-381-6022

Operating Temperature:	-55°C ~ 125°C
Thread Size:	4-40
Height (Max):	--
Size / Dimension:	0.156" Dia x 0.350" L (3.96mm x 8.90mm)
Package / Case:	Axial, Bushing
Mounting Type:	Chassis Mount
Ratings:	--
Temperature Coefficient:	--
Insertion Loss:	20dB @ 100MHz
Series:	--
DC Resistance (DCR) (Max):	5 mOhm
Current:	10A
Voltage - Rated:	200V
Tolerance:	--
Capacitance:	1200pF
Part Status:	Discontinued at Digi-Key
Packaging:	Tray

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Feed Through Capacitors

Feed through capacitors, such as 9900-381-6022, are typically used in EMI/RFI filtering applications, specifically in low frequency AC/DC-divider, differential-mode, and single-ended circuits. The primary component of feed-through capacitors is the capacitor itself, which is employed to reduce noise between circuits and attenuate any susceptibility created by AC power.

Working Principle

Feed through capacitors work by conducting electricity from one side of the circuit to the other by introducing a capacitive element into the circuit. This is done to lower the amount of high frequency noise that can travel from one circuit to the other. These capacitors work by using the fact that capacitors can store a charge on one end and release it on the other end, thus allowing for a filtered signal to be delivered from one end to the other.What happens is that the higher frequency components from the AC power source, that are not needed within the circuit, end up on the capacitor as a voltage. The capacitor therefore actively ‘clamps’ these higher frequencies to a lower voltage, so that it will not be conducted into the rest of the circuit. In essence, this is the working principle behind feed-through capacitors, with the 9900-381-6022 providing an example.

Application Field

Feed-through capacitors, such as the 9900-381-6022, can have many applications, varying in scope and complexity. Generally, these capacitors can be found in circuits in most residential and commercial products, as they are designed to reduce the amount of noise that travels through the circuit and into other devices connected to it.For example, you may find this type of capacitor in computers, sound systems, industrial equipment, automotive systems, and telecommunication devices. All of these products require an uninterrupted and clean signal that travels through the circuits with minimal interference, for which feed-through capacitors are ideal. In terms of more specific applications, feed-through capacitors, such as the 9900-381-6022, could be used in power converters and switching mode power supplies, for instance. These are circuits that require high-quality and low noise voltages, and feed-through capacitors are perfect for managing the different frequencies of signals. Furthermore, feed-through capacitors such as the 9900-381-6022 can be employed in various AC and DC circuits, and are often seen in noise suppression circuits and motor circuits. All of these circuits require a certain level of noise reduction, which can be achieved through the effective use of feed-through capacitors.

Conclusion

The 9900-381-6022 feed-through capacitor is just one example of the type of capacitors that can be used in a variety of different application fields. These capacitors can be deployed to lower noise from one circuit to the other, and provide clean signals for consumer and industrial applications. Their working principles are based on capacitive elements, and their operation can be seen in a variety of AC and DC circuits.

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