Satellite: household name after brief mention (7)
I believe the answer is:
telstar
'satellite' is the definition.
(US satellite programme)
'household name after brief mention' is the wordplay.
'household name' becomes 'star'.
'after' says to put letters next to each other.
'brief' means to remove the last letter.
'mention' becomes 'tell'.
'tell' with its final letter taken off is 'tel'.
'star' put after 'tel' is 'TELSTAR'.
(Other definitions for telstar that I've seen before include "Early sixties satellite" , "Communication satellite" , "Distant transmitter" , "Old satellite" , "Communications satellite" .)