CAPACITOR UNIT

摘要

A capacitor unit is provided, which has a long lifetime and is free from maintenance when it is used as an emergency power supply of electronic control braking system, etc. and in which weight load is not applied to a circuit board, high reliability in use under harsh vibration conditions is achieved, and short-circuit defect does not occur even when an explosion-proof valve operates. The capacitor unit of the present invention includes a plurality of capacitors, a circuit board on which a circuit pattern for connecting the capacitors is formed, and a holder sandwiching and retaining the body parts of the capacitors.