SFBMC0500473MX0

Series:	SFBM
Part Status:	Active
Capacitance:	0.047µF
Tolerance:	±20%
Voltage - Rated:	50V
Current:	10A
DC Resistance (DCR) (Max):	--
Operating Temperature:	-55°C ~ 125°C
Insertion Loss:	--
Temperature Coefficient:	X7R
Ratings:	--
Mounting Type:	--
Package / Case:	Axial, Bushing
Size / Dimension:	0.250" Dia x 0.472" L (6.35mm x 12.00mm)
Height (Max):	--
Thread Size:	M5x0.8

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Feed Through Capacitors

Feed through capacitors, a type of electrical component, are designed to transmit radio frequency signals through a medium that has high capacitance while blocking direct current. They are commonly used in electrical systems such as antennas, RF filters and amplifiers. The SFBMC0500473MX0 is a feed-through capacitor from an extensive line designed by the component manufacturer NEC. In this article, a general description of the application fields and the working principle of this component are given.

Application Field

The SFBMC0500473MX0 feed-through capacitor is a general-purpose component that is suitable for many different applications. Some of the most common uses for this component include high-frequency signal transmission and filtering, and as a coupling or decoupling mechanism. It can be used in the construction of an array antenna, a type of antenna that sends and receives signals from multiple directions. It is also suitable for intricate amplifier and filter designs, due to its high power handling and self-resonance frequency. Furthermore, this component can be used to power up high power RF amplifiers to maximize their performance.

Working Principle

Feed through capacitors use a thin insulating material to separate two opposing metal plates, creating a capacitor. The capacitor behaves as a high-impedance element for DC, while providing low resistance to RF signals. This allows it to transfer high frequency signals across media with high capacitance while preventing direct current from passing through it. When used in arrays, feed through capacitors provide multiple isolation barriers, helping ensure consistent performance.

Conclusion

In conclusion, the SFBMC0500473MX0 feed-through capacitor is a versatile and widely-used component designed by NEC. It is suitable for a variety of applications including the construction of an array antenna, amplifier and filter designs, and power-up of high-power RF amplifiers. Its working principle is based on the creation of a capacitor using thin insulation between two metal plates, which behaves as a high-impedance element to direct current but with low impedance to high frequency signals.

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