Self-ballasted lamp and lighting equipment

摘要

A base body having a base body portion and a plurality of heat radiating fins disposed on the circumference of the base body portion is provided. On one end side of the base body, a light-emitting module having semiconductor light-emitting elements, and a globe that covers the light-emitting module are provided. A cap is provided on the other end side of the base boy. A lighting circuit is housed between the base body and the cap. The lamp total length from the globe to the cap is 70 to 120 mm, and the area of a surface of the base body which is exposed to the outside per 1 W of power charged to the light-emitting module is 20.5 to 24.4 cm2/W.