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Osram

54686 Osram BTM 500W 120V T6 P28s Clear Halogen Lamp
29.99 USD
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Confirm before ordering

Match ANSI BTM, OSRAM 54686, or the exact fixture lamp code. BTL, BTN, BTP, and BTR lamps can look similar but have different ratings and are not automatic substitutes.

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

Specifications

OSRAM 54686 BTM specifications

Manufacturer OSRAM
Americas product number 54686
ANSI code BTM
Power / voltage 500 W / 120 V
Base P28s medium prefocus
Bulb / finish T6 / clear
Light output 13,000 lm; 3200 K; CRI 100
Filament C-13D biplane grid
Rated life 100 hours
Dimensions 125.8 mm maximum overall length; 19 mm diameter; approximately 55 mm light-center length
UPC 046135546860

Other identifiers customers may encounter

BTM · 54686 · 00390 · 88546 · Q500T64CL/2P · JCS120V-500WC · Ushio 1000084

Commonly confused with

BTL, BTN, BTP, and BTR lamps share a similar prefocus format but differ in wattage, color temperature, rated life, or fixture requirement. Match the complete ANSI code.

Equipment compatibility

Compatible-equipment references

These equipment references are associated with the lamp identity shown above. Equipment configurations and production revisions can vary; confirm the installed system calls for the same ANSI or manufacturer lamp code before ordering.

  • Altman Lighting 65Q — 500 W, 3200 K configuration
  • Altman Lighting 165Q — 500 W, 3200 K configuration
  • Altman Lighting 1KAF-MPF — 500 W, 3200 K configuration
  • Strand Lighting 6-inch Fresnel — 500 W, 120 V BTM configuration
  • Strand Lighting Fresnelite 500 6-inch — 500 W, 120 V BTM configuration
  • Times Square Lighting C6 Fresnel — 500 W, 120 V BTM configuration
Brand alternatives

Alternate-brand BTM option

Both pages carry the BTM designation. Confirm the fixture requirement and current availability before substituting brands.

Documentation & safety

Applications

  • Stage and studio Fresnel fixtures
  • Film, television, and theatrical lighting
  • Entertainment lighting

Documentation and safety

View the OSRAM BTM datasheet

Operate only in an approved enclosed halogen fixture. Disconnect power and allow the lamp and fixture to cool fully before service; avoid touching the quartz glass with bare fingers.

Core identity and technical specifications were checked against current manufacturer documentation. Equipment configurations can vary; confirm ANSI BTM before ordering.