105PPB400K

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	--
Applications:	Commutation; High Pulse, DV/DT; Snubber
Lead Spacing:	1.083" (27.50mm)
Termination:	PC Pins
Height - Seated (Max):	1.299" (33.00mm)
Size / Dimension:	1.260" L x 0.709" W (32.00mm x 18.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	PPB
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	250V
Tolerance:	±10%
Capacitance:	1µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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The 105PPB400K film capacitor is a component used in many industrial and consumer electronic products, from consumer televisions to military equipment. In this article, we will discuss the application field and working principle of the film capacitor.The 105PPB400K is a polypropylene film, non-inductive, radial leaded capacitor designed for AC and DC applications, rated for up to 400V and 350A power. This capacitor is available in can sizes with a maximum diameter of 25mm, and is configured with a variety of leads depending on the application.ApplicationsThe 105PPB400K capacitor is popular in many different types of applications, including automotive, instrumentation, telecommunications, medical, power supplies, and consumer electronics. One of its most common applications is for the filtering and buffering of AC/DC power supplies, where its high voltage and low impedance properties make it a good choice. It can also be used in switch-mode power supplies, high-power filters, DC-DC converters, and motor speed controllers.Due to its high dielectric strength, the PPB400K capacitor is often used as a safety component in medical and hazardous material applications. Its ability to safely conduct very high voltages makes it a desirable choice for these applications. Additionally, its small size and low profile make it suitable for situations where space is limited.Working PrincipleThe working principle of the PPB400K capacitor involves two basic components: a dielectric material and two metal plates. The dielectric material is usually polypropylene or a similar material, while the metal plates are made of aluminum or tin-plated copper.When a voltage is applied across the two metal plates, an electrostatic field is created across the dielectric material. This electrostatic field causes the electrons in the metal plates to repel one another, creating an electric field. The electric field causes a displacement of electrons on each metal plate, forming an electrical charge. Therefore, the basic function of the PPB400K capacitor is to store electrical energy in the form of an electrical charge.ConclusionThe PPB400K film capacitor is a versatile and reliable choice for many industrial and consumer electronics applications. Its wide voltage rating, high-power capacity, and excellent dielectric strength all make it a desirable component in a variety of power-related applications. Moreover, its small size and low profile make it suitable for situations where space is limited. We hope this article has helped you understand the application field and working principle of the PPB400K film capacitor.

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