CM334 28V 0.04A 1.2W midget groove base filament bulb by CML / VCH. Download CML midget groove bulb .pdf datasheet: Bulb size : T-1 3/4 (5mm) Base: base:S5.7S9 Lifespan: 4000 hrs Status: NSS (New Surplus Stock) in sealed blisterpacks. sample components tested: YES RoHS Compliant : YES