The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 1987
Filed:
Nov. 10, 1983
Applicant:
Inventors:
Assignee:
Brown, Boveri & Cie., AG, Mannheim, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H02G / ;
U.S. Cl.
CPC ...
357 74 ; 357 75 ; 357 80 ; 174 / ; 174 / ;
Abstract
A power transistor module includes a housing having a frame forming a housing wall and a ceramic plate fastened to the frame forming a housing bottom, structured metallizations disposed on the ceramic plate forming conductor runs and terminal pads, components including at least one power transistor and a bypass diode connected to the terminal pads, wiring elements being connected to the components and being freely accessible from the top of the housing, the wiring elements including an auxiliary collector terminal, and an auxiliary diode connected between the auxiliary collector terminal and the collector electrode of the power transistor.