Replacement for 1000669 USHIO Halogen - T6 Shape G9.5 Base 550W 77V with Clear Finish

When the lamp in your commercial, medical, and specialty halogen lighting application reaches end of life, this compatible replacement for the 1000669 by USHIO gets you back up and running. It matches the original at 550W, 77V, T6 form factor with a G9.5 base for a direct fit.

This lamp combines compact size, high output, and excellent color rendering in a package suited for track lighting, recessed cans, pendants, and wall sconces. It maintains stable lumen output and color temperature over its rated life, keeping spaces looking their best from installation to replacement. It handles the thermal demands of enclosed and recessed fixtures.

Key Features & Benefits

• Produces 12,160 lumens to support demanding lighting applications.
• G9.5 base provides reliable electrical contact and stable operation.
• Clear Finish T6 envelope for optimal light distribution.
• Operates at 550W, 77V to match standard low-voltage circuits.

Product Specifications

• Wattage: 550W
• Voltage: 77V
• Base Type: G9.5
• Bulb Shape: T6
• Finish: Clear Finish
• Lumens: 12,160
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Commercial and retail display lighting
• Architectural cove and accent installations
• Office and workspace general illumination
• Residential decorative and task lighting
• Landscape and low-voltage outdoor fixtures

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.