Lamp device and lighting apparatus

The lamp device, comprising

• a light emitting portion having a semiconductor light-emitting element;
• a base member on which the light-emitting portion is mounted on one surface thereof;
• a metallic cap mounted on the other surface of the base member;
• a pair of lamp pins projecting from the cap;
• a lighting circuit stored in the cap;
• and
• an insulating body having a pair of lamp pin mounting portions where a pair of the lamp pins are to be mounted, and an insulating portion interposed between the inner surface of the cap and the lighting circuit, and is mounted to the cap.

A lamp device comprising:

• a light emitting portion having a semiconductor light-emitting element;
• a base member on which the light-emitting portion is mounted on one surface thereof;
• a metallic cap mounted on the other surface of the base member;
• a pair of lamp pins projecting from the cap;
• a lighting circuit stored in the cap and having a lighting circuit board having lighting circuit components mounted thereon;
• and
• a pair of insulating bodies having a lamp pin mounting portion where the lamp pin are to be mounted and a pair of insulating portions each having a lighting circuit board holding portion configured to hold the lighting circuit board and mounted on the cap respectively.