Lamp with integral power supply

摘要

A lamp ( 10 ) includes an envelope ( 12 ) having a body ( 14 ) with a light source capsule ( 16 ) contained therein and ending in a hollow base ( 18 ) that terminates in a conical end ( 20 ). A circuit board ( 22 ) is positioned within the hollow base ( 18 ) and includes a triangular portion ( 24 ) that is closely fitted within the conical end ( 20 ). A temperature sensitive, voltage reducing component ( 28 a) is positioned near the apex ( 30 ) of the triangular portion ( 24 ).