Electrically isolating two piece mounting washer arrangement

Details Electrically isolating two piece mounting washer arrangement Electrically isolating two piece mounting washer arrangement

1982-07-26

1985-01-22

James, Andrew J.

Electricity: conductors and insulators

Feedthrough or bushing

Compression

357 74, 174 16HS, 174138G, 339112R, 361388, 165 80B, H01L 2302, H01L 2312

Patent

active

044955154

ABSTRACT:
A mounting washer arrangement for a new type power transistor package comprises two interlocking washers. A first mounting washer part of heat sinking material fits under the transistor body; a second mounting washer part of electrically insulating material interlocks with the first mounting washer part and fits under a terminal lug of the transistor. Together the two mounting washer parts provide economical heat sinking and electrical insulation. The interlocking arrangement prevents cracking and twisting of the two mounting washer parts when the transistor is firmly secured by torquing anchoring screws to the chassis.

REFERENCES:
patent: 3261904 (1966-07-01), Wulc
patent: 3391242 (1968-07-01), Sudges
patent: 3641474 (1972-02-01), Owens
patent: 3763403 (1973-10-01), Lootens
patent: 4038678 (1677-07-01), Gottbreht et al.
patent: 4076364 (1978-02-01), Kuo

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