WL-Q4554产品概述
1. Bulb shall be clean with no foreign materials or glass chips inside.
2. Filament shape must be uniform with coils evenly spaced and free of twist or shorting.
3. Lamps shall be capable of operation and storage at temperatures from -30o to +95oC without degradation.
4. Lamp shall be marked with lamp part number WL Q4554, 28V, 450W and lot code.
5. Fauceted/Fluted glass to provide proper beam spread.
6. CR-2 Industry standard two screw terminals with removable screws.
7. ANSI trade number Q4554