54-785-005

Series:	--
Packaging:	Bulk
Part Status:	Discontinued at Digi-Key
Tolerance:	--
Voltage - Rated:	100V
Current:	10A
DC Resistance (DCR) (Max):	5 mOhm
Operating Temperature:	-55°C ~ 125°C
Insertion Loss:	45dB @ 100MHz
Temperature Coefficient:	--
Ratings:	--
Package / Case:	Axial, Bushing
Size / Dimension:	0.187" Dia x 0.374" L (4.75mm x 9.51mm)
Height (Max):	--
Thread Size:	8-32

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Introduction to Feed Through Capacitors

Feed through capacitors, also known as feed through or bypass capacitors, are an important type of reactive component used in radio frequency (RF) circuits. In their most basic form, these capacitors are used to pass signals or supply current between two points without any impedance or attenuation. This type of capacitor is also used to stabilize signals.

54-785-005 Application Field and Working Principle

The 54-785-005 feed through capacitor is designed for use in RF circuits, power supplies, EMI/RFI filters, and other special applications. The capacitor is a 0.5" diameter, round single-layer ceramic capacitor with a 5 Amp rating. It has a low insertion loss and ESR (equivalent series resistance), making it suitable for a variety of applications.The basic working principle of a feed through capacitor is that it acts as a filter, allowing signals or current to be passed through with minimal impedance. By placing the capacitor between two points, a current will flow through it in the same direction as the incoming current. The capacitor will then store the energy in the form of a charge, allowing the current to be filtered before it passes through the capacitor.In order to function properly, the capacitor must be properly matched to the electrical characteristics of the application. This includes the resistance, capacitance, and inductance. The resistance of the feed through capacitor should not exceed the application’s rated current, while the capacitance should match the requirements of the application. Finally, the inductance should be low for most applications.

Conclusion

Feed through capacitors are versatile and important components in RF applications, power supplies, and EMI/RFI filters. The 54-785-005 feed through capacitor is a single-layer ceramic capacitor designed for use in these applications. It has a low insertion loss and ESR, allowing it to be used in a variety of applications while still providing excellent performance. The basic working principle of a feed through capacitor is that it acts as a filter, allowing signals or current to be passed through with minimal impedance.

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