1 1
Osram

11521 Osram BBA 250W 120V A-21 Single Frosted Incandescent Lamp
4.20 USD
Shipping calculated at checkout.
In stock

Buy with confidence

Need help confirming compatibility? Ask us before ordering.

Shipping calculated at checkout · 30-day returns on unused items

Confirm before ordering

Match the exact lamp code, wattage, voltage, base, dimensions, and equipment requirements. Incandescent lamps that look alike are not automatically interchangeable.

Need help confirming fit? Email help@dynamiclamps.com with the equipment model and existing lamp marking.

Specifications

11521 Osram BBA 250W 120V A-21 Single Frosted Incandescent Lamp specifications

Shopify SKU OSR-BBA
Electrical rating 250 Watts 120 Volts AC
Lamp configuration Single Ended
Base / contact configuration E26 Medium Screw Base
Lamp form A-21 Bulb Type
Rated average life 4 Hours Rated Average Life
Light output 8700 Lumens
Color temperature 3400K Color Temperature
Color rendering index 82 CRI
Filament C-9 Filament
Finish Frosted Inside
Maximum overall length 5.00 in (127.00 mm) Max Overall Length
Diameter 2.64 in (67.00 mm) Bulb Diameter
Other part numbers 00040, 11619, 40563, 1000026
Equipment compatibility

Equipment and application fit

Use only when the equipment label, lamp list, or service documentation specifies this lamp or a fully documented equivalent.

  • video, studio, TV, film, and photographic lighting
  • 520E Sandmar
  • Sandmar T1218

Application type is not a substitute for matching the exact electrical and mechanical specification.

Brand alternatives

Cross-reference search aids

00040, 11619, 40563, 1000026

Confirm any alternative against wattage, voltage, base/contact pattern, bulb geometry, light-center length where applicable, and equipment documentation.

Documentation & safety

Documentation and handling

Disconnect power and allow the lamp to cool before replacement. Handle by the base, keep the specified operating position and enclosure, and follow the equipment manufacturer's service instructions.