H - Electricity – 02 – H
Patent
H - Electricity
02
H
306/157
H02H 9/04 (2006.01) H01H 37/76 (2006.01)
Patent
CA 2031508
Disclosed is an electronic part having a safeguard function for protecting the associated electronic equipment against abnormally high voltages such as lightning surge voltage. It is equipped with an element which cuts off any continuous excess current so as to prevent the surge absorbing element and the protected circuit from being spontaneously ignited. This electronic part having a safeguard function comprises: a surge absorbing element; a low-melting-point metal element which is electrically connected in series with said surge absorbing element and which is held in contact with said surge absorbing element in such a manner as to allow a satisfactory heat conduction therebetween; and a thermocontractive insulating tube which covers over the periphery of said surge absorbing element and the periphery of said low-melting-point metal element.
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
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