The Hi-Tech Lamps part number 6431HLX/A is a 100 watt (100W) current controlled halogen lamp made by Osram. It is intened to operate on a circuit providing a stable 6.6 amp current (6.6A). This lamp has a maximum overall length of 48mm. It is a T4 bulb with a PK30D-A base. The average rated lifetime of this lamp is 1500 hours. This lamp is also known as Osram 6.6A 64341 HLX-A 100-15 PK30D and 59072.