Electronic contacts and associated devices

Details Electronic contacts and associated devices Electronic contacts and associated devices

H - Electricity

03

K

320/1, 323/4, 34

H03K 17/56 (2006.01) H02H 9/02 (2006.01) H03K 17/08 (2006.01) H03K 17/687 (2006.01) H03K 17/73 (2006.01) H04M 3/00 (2006.01) H04M 19/02 (2006.01)

Patent

CA 1252510

ABSTRACT High voltage electronic contacts (S,S') and associated devices including TRIMOS (MOS TRIacs) devices connected in anti-parallel fashion between two terminals (S1/S'2, S2/S'1). Each electronic contact (S, S') is controlled via a control terminal (S4) and one of the two other terminals (S1/S'2, S2/S'1), the impedance conditions of these auxiliary contacts (NA, NB) being opposed. A power protection circuit associated to the TRIMOS device allows the flow of a relatively high current through the electronic contacts (S, S') for the lower voltage range across it, and minimizes the power dissipation in the contacts in the higher voltage range, i.e. when abnormally high signals are applied to the contact.

462952

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