Static converter module with mounting lugs

Details Static converter module with mounting lugs Static converter module with mounting lugs

1985-11-08

1987-01-13

Tolin, G. P.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

174 16HS, 361388, H05K 720

Patent

active

046365800

ABSTRACT:
In this static converter module, which is equipped with thyristors, diodes or power transistors, mounting lugs (4,11) having mounting holes (5,6,12,13) are used for mounting the module on a heat sink. The housing of the module is essentially formed by a frame (1,10) which is open at the top and at the bottom and by a ceramic plate which is inserted into the base part of the frame. For the purpose of fixing the ceramic plate in place, a peripheral indentation (7,15) is provided in the base part of the frame. In order to prevent mechanical stresses in the area of the mounting holes/mounting lugs from being transmitted to the ceramic plate, slits (9) are provided between the frame walls and the mounting holes. As an alternative to this, the peripheral indentation (15) can be provided with steps in such a manner that in the area of the two frame walls provided with the mounting lugs (11) a slot-shaped recess (16) is produced between the ceramic plate and the peripheral indentation (15).

REFERENCES:
patent: 3805117 (1974-04-01), Hausman
patent: 3876926 (1975-04-01), Schott
patent: 4218724 (1980-09-01), Kaufman
patent: 4237435 (1980-12-01), Cooper
patent: 4346396 (1982-08-01), Carroll, II
patent: 4394530 (1983-07-01), Kaufman

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