Patent ID: 8860139

Claim:
An ESD (Electrostatic Discharge) protection element comprising: a bipolar transistor comprising: a collector diffusion layer connected with a first terminal; a base diffusion layer; and an emitter diffusion layer; a first wire connected to the emitter diffusion layer and the base diffusion layer; a second wire connected to the emitter diffusion layer and the base diffusion layer; a first current control resistance connected to a second terminal, and connected to the first wire by a first contact; a second current control resistance connected to the second terminal, and connected to the second wire by a second contact, wherein the collector diffusion layer and the emitter diffusion layer are each arranged in a base width direction, the first and second wires and the first and second current control resistances are each arranged in a direction that is perpendicular to the base width direction, and wherein current flowing out to a power supply voltage is distributed to flow through the first and second current control resistances in order to reduce current concentration in a breakdown path.