Low-heat barrier film capacitor

The utility model discloses a low-heat barrier film capacitor, which comprises a capacitor body and two leads, one ends of the two leads are respectively connected with the top end of the capacitor body in a penetrating manner, one end part of the capacitor body is fixedly sleeved with two radiating fins, and the inner walls of the two radiating fins are fixedly connected through two ends of a plurality of supporting strips. The low-heat barrier film capacitor is provided with the threaded rods, the arc-shaped plate, the supporting frame, the protective cover and the rotating rods, the two rotating rods are sequentially rotated to drive the threaded rods connected with the rotating rods to rotate at the same time, and the two sides of one cooling fin are provided with straight grooves, and the threaded rods are rotatably installed in the two straight grooves. Due to the fact that the outer wall of the arc-shaped plate is attached to the inner wall of the straight groove, the position height of the protective