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Ushio

1000026 Ushio BBA 250W 120V A-21 NO.1 Frosted Incandescent Lamp
7.25 USD
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In stock

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Need help confirming compatibility? Ask us before ordering.

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Manufacturer discontinued — available while current stock lasts

This Ushio item has been discontinued by the manufacturer, but our remaining owned inventory is available while supplies last.

Keep the verified in-stock replacement available for future orders: 11521 Osram BBA 250W 120V A-21 Single Frosted Incandescent Lamp

Before ordering, match the lamp code and the complete electrical, optical, mechanical, and equipment requirements. A shared wattage or base alone does not establish compatibility.

Need help confirming fit? Email help@dynamiclamps.com with the equipment manufacturer, model number, and a clear photo of the installed lamp markings.

Specifications

1000026 Ushio BBA 250W 120V A-21 NO.1 Frosted Incandescent Lamp specifications

Shopify SKU USH-BBA
Electrical rating 250 Watts 120 Volts
Lamp configuration Single Ended
Base / contact configuration E26 Medium Screw Base
Lamp form A-21 NO.1 Bulb Type
Rated average life 3 Hours Rated Average Life
Light output 8500 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, 11521, 11619, 40563
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, and photographic lighting
  • 520E Sandmar
  • Sandmar T1218

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

Brand alternatives

Verified available replacements

These alternatives were matched by exact ANSI/manufacturer cross-reference and compatible visible specifications. Confirm equipment documentation and the installed-lamp marking before substitution.

Cross-reference search aids

00040, 11521, 11619, 40563

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.