TVS transient voltage suppression device

The utility model discloses a TVS (Transient Voltage Suppressor), which is characterized in that both ends of an upper packaging block are respectively provided with a wiring block, a top packaging block is positioned between the two wiring blocks, the surface, opposite to the upper packaging block, of each wiring block is provided with a fixed box with an opening at the bottom, and the side wall of the fixed box is provided with a wiring channel; a blocking strip is arranged between the front end faces and the rear end faces of the fixing boxes and located on the lower portion of the wiring channel, a rotatable stud is arranged between the top and the bottom of each fixing box, a rotary knob located above the fixing boxes is installed at the upper end of the stud, a pressing block embedded in the fixing boxes is installed on the stud in a sleeved mode, and a connecting plate is arranged between the two fixing boxes. And a supporting plate is arranged between the connecting plate and the surface of the top pa