431results about "Encapsulating capacitors apparatus" patented technology

The invention provides a novel lightning-stroke protection aluminium electrolytic capacitor and a preparation method therefor. A core is immersed with an electrolyte with a break-down voltage of 490V or above; the core is formed by a pieces of positive electrode foil, a piece of negative electrode foil and electrolytic paper in an overlapping and winding manner, wherein the electrolytic paper used as a substrate is arranged on the same sides of the negative electrode foil and the positive electrode foil separately; a positive electrode conductive pin in nail joint with the positive electrode foil and a negative electrode conductive pin in nail joint with the negative electrode foil are arranged in a manner of running through a packaging layer; the electrolytic paper comprises inner layer electrolytic paper and outer layer electrolytic paper; the inner layer electrolytic paper is positioned on the inner side of the corresponding negative electrode foil or positive electrode foil; and the inner layer electrolytic paper and outer layer electrolytic paper are consistent in tightness. The overall voltage withstand capacity of the product is improved effectively, and the instantaneous voltage withstand of the aluminium electrolytic capacitor is improved to 2.2KV; and in addition, the aluminium electrolytic capacitor has high impact resistance, high safety and an effect of ensuring the service life.

A capacitor assembly for use in high voltage and high temperature environments is provided. More particularly, the capacitor assembly includes a capacitor element containing an anodically oxidized porous, sintered body that is coated with a manganese oxide solid electrolyte. To help facilitate the use of the capacitor assembly in high voltage (e.g., above about 35 volts) and high temperature (e.g., above about 175° C.) applications, the capacitor element is enclosed and hermetically sealed within a housing in the presence of a gaseous atmosphere that contains an inert gas.

A method of manufacturing a ceramic electronic component including a main body including a first principal surface and a second principal surface opposite to each other, and a first external electrode and a second external electrode provided on a portion of a surface of the main body, includes providing a plurality of recesses in a first principal surface of a laminated block including a ceramic material and an organic substance by relatively moving the laminated block and a protrusion surface including a protrusion, in a direction along the first principal surface of the laminated block with the protrusion surface being in contact with a first principal surface of the laminated block, obtaining a chip by cutting the laminated block including the recesses, and obtaining the main body by firing the chip.

A multilayer ceramic capacitor includes: a multilayer structure in which each of ceramic dielectric layers and each of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein: a region in which a set of internal electrode layers exposed to the first edge face of the multilayer structure face with another set of internal electrode layers exposed to the second edge face of the multilayer structure is a capacity region; at least a part of the circumference region around the capacity region has a protective region of which an average grain diameter of a main component ceramic is larger than that of the capacity region and of which a concentration of a donor element in the main component ceramic is larger than that of the capacity region.

A case-mold-type capacitor includes a capacitor element, first and second bus bars connected to the first and second electrodes of the capacitor element, a case accommodating the capacitor element and the first and second bus bars, and a mold resin filling the case therein. The case has a cutaway portion provided therein. A sealing plate joined to the case so as to seal the cutaway portion. The first and second bus bars pass through the sealing plate and are fixed to the sealing plate. The case-mold-type capacitor improves dimensional accuracy between terminal portions of the first and second bus bars without increasing material cost, and has high reliability.

The invention discloses a humidity-resistant laminated solid-state aluminium electrolytic capacitor and a manufacturing method thereof. The humidity-resistant laminated solid-state aluminium electrolytic capacitor comprises a plurality of stacked single slices, and a positive lead-out terminal and a negative lead-out terminal electrically connected to the stacked single slices; wherein each singleslice comprises a positive end, a negative end and a shielding glue between the positive end and the negative end; the negative ends of each single slice are connected together and connected with thenegative lead-out terminal; the positive ends of each single slice are connected together and connected with the positive lead-out terminal; the outer surface of stacked plurality of single slices isencapsulated with an insulating resin layer; and the outer surface of the insulating resin layer is coated with a moisture-resistant barrier layer for water resisting, wherein the moisture permeability coefficient of the moisture-resistant barrier layer is lower than that of the insulating resin layer. The humidity-resistant laminated solid-state aluminium electrolytic capacitor and the manufacturing method provided by the invention can effectively reduce the equivalent series resistance and leakage current of the laminated solid-state aluminium electrolytic capacitor and improve the productquality.