LOW-PRESSURE MERCURY VAPOUR DISCHARGE LAMP

摘要

PHN. 97644 8 Low-pressure mercury vapour discharge lamp having a discharge vessel which contains with mercury and a rare gas and is of such a shape that the ends of the discharge vessel where the electrodes are arranged are in a side-by-side relationship, these ends being connected to a lamp base which has an axially projecting sleeve-shaped wall portion of a cross-section which deviates from the circular and in which at least a starter is included, a respective connecting pin which is shorter than the length of the projecting wall portion being provided on either side of the said projecting wall portion. The projecting portion serves as a locating guide when inserting the lamp base in a holder, thereby inter alia preventing damage to the pins, and also serves as a housing for a starter switch and a capacitor.