Patent · US Expired

Bipolar power transistor

US4672235A · kind A · utility

6Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1985
Grant dateJun 9, 1987
Priority date
Expiry dateMay 21, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F3/211
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A power transistor comprising a plurality of elementary transistors coupled in parallel and an identical number of current generators, each of which has a terminal coupled individually to the base of an elementary transistor is described. High power levels may be achieved with a transistor of this type without forward secondary breakdown taking place.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.