Capacitor with small volume and high capacity

The utility model relates to a capacitor with small volume and high capacity. The capacitor comprises a capacitor core formed by winding a core laminated material and a leading-out guide pin connectedwith the capacitor core, the capacitor core comprises a metallization layer, a first dielectric layer, a second dielectric layer and an aluminum foil layer. Wherein the first dielectric layer is located on one side of the metallization layer, the second dielectric layer is located on one side, deviating from the first dielectric layer, of the metallization layer, the aluminum foil layer and the first dielectric layer are integrally formed, and the aluminum foil layer is located on one side, deviating from the metallization layer, of the first dielectric layer. According to the utility model,the current resistance of the capacitor is improved, the size is small, the structure is compact, and materials are saved. 本实用新型涉及一种体积小、大容量电容，包括由芯子叠材卷绕而成的电容芯子和与电容芯子连接的引出导针，所述电容芯子包括金属化层、第一电介质层、第二电介质层以及铝箔层，所述第一电介质层位于金属化层的一侧，所述第二