The Osram EHD bulb is a halogen light bulb with a G9.5 medium bi-pin base. The EHD is a 500 watt and 120 volt lamp. This light bulb is a tungsten halogen bulb with stage and studio applications. The EHD is commonly used in ellipsodial fixtures including Stand Century and Altman 360Q.

• ANSI Code: EHD
• Common Name: Q500/4CL
• Watts: 500 W
• Volts: 120 V
• Base Type: G9.5 Medium Bi-Pin / Medium 2-Pin
• Bulb Shape: T4 tubular
• Diameter: 0.5 in. (12.7 mm)
• Maximum Overall Length (MOL): 3.94 in. (100.07 mm)
• Light Center Length: in. 2.352 in. (59.7 mm)
• Filament: CC-8
• Finish: Clear
• Lumens: 10600 lm
• Color Temp: 3000 K
• Color Rendering Index: 100
• Average Life: 2000 hrs
• Dimmble: Yes
• Operating Position: Universal/Any<>
• <MPN: Osram 54508
• Other References: GE 88624, Ushio 1000287 - JCV120V-500WBH
• Related Lamps: FLK 575 watt, FLK/X 575 watt, EHG 750 watt, FEL 1000 watt