M-F 8AM-4:30PM CT
Click for the BBB Business Review of this Lights Bulbs & Tubes in Mount Pleasant IA

Ushio HPL 550WX/77V - 1000669

Lamp HPL 550WX/77V (HPL-550/77X+)
Description 77V 550W Heat Sink 3050K
Brand Ushio
MPN 1000669
UPC 048777143896


The HPL 550WX/77V Ushio 1000669 is a Halogen T6 77V 550W Lamp with a Medium BiPin with Heat Sink base.
Specifications for the 1000669 Ushio HPL 550WX/77V Replacement Lamp
Shape T6
Lamp Base Medium BiPin with Heat Sink
Filament 4-C8
Bulb Finish Clear
Rated Life 2000 hours
Light Center Length - LCL 2.35in (60.30mm)
Operating Position Universal
Initial Lumens 12160
Color Temperature 3050 K
Watts 550 W
Volts 77 V
Maximum Overall Length - MOL 4.09in (104.00mm)
Diameter 0.74in (18.80mm)
Product Code 1000669
Family Name Ushio HPL Series Single Ended Tungsten Halogen Lamps
Description HPL 550WX/77V
Ordering Code HPL-550/77X+
SKU Qty 1
Case Qty (Price Listed is Per Bulb) 10
Sales Unit Each
UPC 048777143896
Ushio HPL 550WX/77V 1000669 Replacement Bulb Applications & Features


  • Theater
  • TV
  • Studio
  • Professional Photography
  • Entertainment and Architectural Lighting
  • Source Four Series


  • Ushio HPL 550/77X Halogen Bulb
  • Ceramic Heat Sink
  • Compact Filament Design
  • HPL 550 77V Long Life Bulb
  • HPL 550X 77V Single Ended Lamp
  • HPL 550/77X+
  • JS77V-550WX
  • Only for Use in Approved Enclosed Halogen Fixtures
HPL 550WX/77V Ushio Halogen Lamp

  • DANGER! The HPL550/77X Ushio replacement lamp operates at extremely high temperatures that can cause serious physical injuries and property damage.
  • Only use the Ushio HPL 550WX/77V replacement lamp in Halogen-approved fixtures. Fixtures should fully contain any parts of the Ushio HPL550/77X Halogen lamp upon the event of a lamp burst.
  • Do not use the HPL-550/77X+ HPL 550WX/77V Ushio replacement lamp in close proximity of paper, cloth or other combustible materials that can cause a fire hazard.
  • Lamps are very fragile. Do not drop, crush, bend or shake them. Vibration or impact will cause filament breakage and short lamp life of the Ushio HPL550/77X.
  • Do not touch the Ushio HPL 550WX/77V bulb surface or inside reflectors with your bare hands. Oils from skin can lead to breakage or shorten the life of the lamp. Use clean gloves or lint-free cloth for installation and removal.
  • Clean any dirt, oil, or lint away from the bulb with alcohol and a lint-free cloth or tissue. Any foreign particles or materials on the HPL 550WX/77V Ushio replacement bulb surface can cause hot spots on the bulb and result in lamp failure.
  • Never touch the Ushio HPL 550WX/77V lamp when it is on, or soon after it has been turned off, as it is hot and may cause serious burns.
  • Do not look directly at the operating bulb for any period of time; this may cause serious eye injury.
  • Always turn off the electrical power before inserting, removing, or cleaning the replacement Ushio HPL 550WX/77V lamp.
  • Affix the HPL 550WX/77V Ushio replacement lamp securely in the socket. Improper installation of the Ushio HPL 550WX/77V replacement lamp will cause electrical arcing, overheating and short life to lamp and socket. Replace lamp holders and sockets when necessary.
  • Keep the temperature of the Ushio HPL 550WX/77V lamp seal below 350C.
  • Keep the temperature of the HPL550/77X Ushio replacement lamp wall above 250C.
  • Keep the temperature of the Ushio HPL 550WX/77V HPL-550/77X+ lamp wall below 800C.
  • Make sure lamps of specified wattage and voltage are only used in appropriately rated fixtures. Unspecified use will lead to short lamp life, breakage and overheating of fixture.
  • Ushio HPL 550WX/77V replacement lamps should not be operated beyond the total rated voltage. Avoid the use of dimmers that may drive the Ushio HPL550/77X lamp over its rated voltage.
  • Operate the Ushio HPL 550WX/77V HPL-550/77X+ replacement lamp only in the indicated burn position. Failure to do so will lead to overheating and shortened lamp life.
  • Use an external fuse when required.
  • Do not allow the HPL550/77X lamp to directly expose another. This may lead to overheating and shortened lamp life of the HPL550/77X.