Patent ID: 6163200
Filing Date: 2000-12-19
Classification: H03K

Abstract:
A gate driver device for a GTO thyristor for turning on and off said GTO thyristor using an electric charge stored in a capacitor, said gate driver device comprising:a first and second plate-shaped conductors which are connected to a cathode and a gate of said GTO thyristor respectively;a plurality of chip-type capacitors, the electrodes on one side of which are connected to said first plate-shaped conductor;a third plate-shaped conductor connected to the electrodes on the other side of said chip-type capacitors; anda plurality of switching elements, a first and second principal electrodes of which are connected between said second and said third conductors;wherein said second and third plate-shaped conductors are formed to face each other and separated by a thin insulation layer; andsaid plurality of chip-type capacitors equipped with electrodes arranged to face each other on both end portions of said capacitors are mounted in the space between said first plate-shaped conductor and said third plate-shaped conductor.