D105F511JO3

Series:	D10
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	510pF
Tolerance:	±5%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.142" (3.60mm)
Features:	General Purpose
Size / Dimension:	0.390" L x 0.220" W (9.90mm x 5.60mm)
Height - Seated (Max):	0.382" (9.70mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors are electrical components used to store energy and are usually identified as being high-end or semi high-end products. The D105F511JO3 is a type of mica and PTFE capacitor, which is a major capacitor series used in a variety of applications.

Applications

The D105F511JO3 is often used in high-frequency radio design as a resonant circuit element due to its excellent performance in the frequency range of 1~2 GHz. Specifically, they are applicable to mobile phones, antennas, base stations, microwave ovens, and other electronic products. In addition to communication and broadcasting electronics, they are widely used in various industries such as power electronics, military-aerospace, automobiles, and scientific instruments.

Working Principle

The D105F511JO3 capacitor has a two-terminal structure consisting of a mica dielectric and two electrodes. The mica disc is coated with PTFE dielectric to provide a large amount of capacitance within a limited volume. It is then clamped between two electrodes, one of which is insulated from the other. When voltage is applied across the capacitor, the electric field resulting from the electric charge of the two electrodes will couple with each other to generate a capacitive reactance. The reactance of the capacitor is dependent on the size and spacing of the two electrodes, and the type and amount of the dielectric material.

Conclusion

The D105F511JO3 is a type of mica and PTFE capacitor which offers excellent frequency response, high voltage handling capability, and low stray capacitance, making it an excellent choice for high-frequency applications such as radio design and power electronics. Its small size, low weight, and wide temperature range make it an ideal choice for most industrial and commercial applications. It is also suitable for use in high vibration and temperature environments.

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