Patent ID: 6225742
Filing Date: 2001-05-01
Classification: H01J

Abstract:
A self-ballasted fluorescent lamp comprising a fluorescent tube comprising a pair of electrodes inside, an electronic ballast circuit portion, an outer bulb, a resin case and a lamp base, wherein(i) the outer bulb has an outer diameter of 60 mm to 70 mm, an outer diameter of a bottom portion of 50 mm to 58 mm, and a total length of 73 mm to 85 mm,(ii) the resin case has an outer diameter of 50 mm to 58 mm,(iii) a total length of the self-ballasted fluorescent lamp is not more than 148 mm, andthe fluorescent tube has a distance between the electrodes of 450 mm to 540 mm and an inner diameter of 8.0 mm to 10.0 mm, and is operated at a lamp current of not more than 220 mA.