This OSRAM FDT bulb uses 100W/12V with a T4 shape, an average rated life of 50 hours and a GY9.5 2-pin base. This bulb is small in size coming in a 2.22 inch structure. This is also a single ended lamp.
-OSRAM FDT (64628) Halogen Bulb
-Single Ended Lamp
Halogen light bulbs have a longer life and a higher light output than incandescent bulbs
Halogen bulbs have a whiter and brighter light and less blackening, dimmable with most dimmers
Applications: interior, interior recessed lighting, track lighting, security lighting
Osram Sylvania T4 halogen bulb, 100W, 12V,
Base: GY9.5 2-Pin Prefocus, , Rated Life (Hr): 50, Luminous Flux (LM): 3000,