MPXB105K305H

Operating Temperature:	-40°C ~ 110°C
Features:	--
Ratings:	X2
Applications:	EMI, RFI Suppression
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.886" (22.50mm)
Size / Dimension:	1.260" L x 0.512" W (32.00mm x 13.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MPX
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	305V
Tolerance:	±10%
Capacitance:	1µF
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors

A film capacitor (also known as a plastic film capacitor, or dielectric film capacitor) is a type of capacitor that uses a thin plastic film as the dielectric and metalization on each side of the film to form the electrodes, resulting in a very compact construction. It is used in a wide variety of applications and can provide both filter and bypass solutions depending on the associated circuitry. One particular type of film capacitor, the MPXB105K305H, is commonly used in radio and television transmitters and can be found in a variety of industries.

Applications

The MPXB105K305H is a film capacitor, specifically referred to as an "MPX Multi-Layer Ceramic Chip Capacitor." It is used primarily in radio and television transmitters, but can also be found in numerous other applications. Industries where it is used include automotive, medical, consumer, industrial, telecom, and military. It provides reliable performance in the harshest environmental conditions, making it an ideal choice for applications that require top-notch reliability and durability. In radio and television transmitters, the MPXB105K305H is used mainly as a filter or bypass component. It works by allowing the signal to flow through the dielectric while at the same time blocking noise to provide clean, interference-free audio and video signals. It can also be used to tune oscillators or as part of a capacitor ladder, both of which are commonly used in wireless applications.

Working Principle

The MPXB105K305H is a type of film capacitor, which means it works thanks to the electric field between two electrodes that is produced by a dielectric or insulating material between them. In this case, the electrodes are made of metalized films, and in between them is a thin plastic dielectric film. When an electrical signal passes through the device, electricity flows through the metalized films and into the dielectric. This creates an electric field between the two electrodes, causing a small current to pass through the dielectric. As the current passes through, it is forced to flow in the direction that’s most efficient, which is determined by the permittivity of the dielectric and other factors. As the current passes through, it encounters resistance, which is what creates the filtering and bypass properties that are sought after in electronic applications.

Conclusion

The MPXB105K305H is a versatile and highly reliable type of film capacitor that is used in a variety of applications, from radio and television transmitters to automotive, medical, consumer, industrial, telecom, and military applications. It works thanks to the electric field between two electrodes that is produced by a dielectric or insulating material between them, and its filtering and bypass properties make it an ideal choice for many electronic applications.

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