Vehicle luminaire and vehicle lamp device

A vehicle luminaire comprising:

• a flange;
• a mount portion provided on one side of the flange;
• a light-emitting unit that is provided on an end of the mount portion opposite to the flange side and includes at least one light-emitting element;
• a holder which is provided on another side of the flange and into which a connector is insertable;
• and
• at least one first thermal radiation fin that is provided on the another side of the flange and extends from a peripheral edge of the flange toward the holder,
• wherein, in a direction in which the holder projects from the flange, a position of an end face of the holder opposite to the flange side is different from a position of a holder-side end of an end face of the first thermal radiation fin opposite to the flange side further comprising:
• at least one second thermal radiation fin that extends along the peripheral edge of the flange and is provided in a direction intersecting a direction in which the first thermal radiation fin and the holder are aligned;
• and
• wherein the luminaire satisfies the following expression:
• L2a>L1 and L3a>L1, wherein
• L1 represents a distance between a surface of the flange and the end face of the holder opposite to the flange side,
• L2a represents a distance between the surface of the flange and an end of the end face of the first thermal radiation fin opposite to the holder side and opposite to the flange side, and
• L3a represents a distance between the surface of the flange and the end face of the second thermal radiation fin opposite to the flange side.